{"id":16998,"date":"2026-06-08T09:44:10","date_gmt":"2026-06-08T01:44:10","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=16998"},"modified":"2026-06-08T10:03:40","modified_gmt":"2026-06-08T02:03:40","slug":"heavy-duty-type-241-mining-cable-complete-technical-specifications-and-performance-parameters-with-as-nzs-1972-compliance-and-iecex-approval","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/heavy-duty-type-241-mining-cable-complete-technical-specifications-and-performance-parameters-with-as-nzs-1972-compliance-and-iecex-approval\/","title":{"rendered":"Heavy-Duty Type 241 Mining Cable: Complete Technical Specifications and Performance Parameters with AS\/NZS 1972 Compliance and IECEx Approval"},"content":{"rendered":"\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, viewport-fit=cover\">\n    <meta name=\"description\" content=\"Complete technical specification and parameter reference for Feichun Heavy-Duty Type 241 mining cable. Detailed construction specifications, electrical and physical properties, configuration matrix for all voltage classes, performance test data, field endurance benchmarks, and harsh environment application guide with AS\/NZS 1972 and IECEx approval.\">\n    <meta name=\"keywords\" content=\"Type 241 mining cable, specifications, parameters, AS\/NZS 1972, IECEx approved, harsh environment, double armour, technical data sheet, mining trailing cable, rope shovel cable, performance testing\">\n    <meta property=\"og:title\" content=\"Heavy-Duty Type 241 Mining Cable | Complete Technical Specifications | AS\/NZS 1972 | IECEx Approved | Feichun\">\n    <meta property=\"og:description\" content=\"Detailed technical reference with complete specifications, parameter tables, configuration matrix, electrical properties, physical dimensions, and performance test data for Feichun Heavy-Duty Type 241 mining cable.\">\n    <title>Heavy-Duty Type 241 Mining Cable | Complete Technical Specifications | AS\/NZS 1972 | IECEx Approved | Anhui Feichun<\/title>\n\n    <style>\n:root {\n  --primary-dark: #0a1520;\n  --primary-color: #1a2a4a;\n  --primary-light: #2d4a6f;\n  --accent-market: #ff6b35;\n  --accent-analysis: #1e88e5;\n  --accent-value: #00d084;\n  --accent-risk: #ffd700;\n  --accent-decision: #4ecdc4;\n  --accent-alert: #ff1744;\n  --neutral-light: #1a2a3f;\n  --neutral-medium: #4a5f7f;\n  --neutral-dark: #0d1520;\n  --text-primary: #e8eef5;\n  --text-secondary: #b8c5d6;\n  --border-color: #3a4f6f;\n}\n\n* {\n  margin: 0;\n  padding: 0;\n  box-sizing: border-box;\n}\n\nhtml, body {\n  max-width: 100%;\n  overflow-x: hidden;\n  font-family: 'Source Sans Pro', 'Segoe UI', sans-serif;\n  color: var(--text-primary);\n  background: #0d1520;\n  line-height: 1.6;\n}\n\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:wght@700&family=Source+Sans+Pro:wght@400;500;600;700&display=swap');\n\n.container {\n  max-width: 1020px;\n  width: 100%;\n  margin: 0 auto;\n  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{\n  border-left-color: #4ecdc4;\n}\n\n.layer-card.layer-6 {\n  border-left-color: #ff1744;\n}\n\n.layer-name {\n  font-size: 16px;\n  font-weight: 700;\n  color: var(--text-primary);\n  margin-bottom: 10px;\n}\n\n.layer-detail {\n  font-size: 12px;\n  color: var(--text-secondary);\n  margin-bottom: 6px;\n}\n\n@media (max-width: 640px) {\n  .doc-header h1 {\n    font-size: 30px;\n  }\n  \n  .doc-content h2 {\n    font-size: 28px;\n  }\n  \n  .doc-content h3 {\n    font-size: 22px;\n  }\n  \n  .spec-card-value {\n    font-size: 30px;\n  }\n  \n  table, .comparison-table {\n    font-size: 10px;\n  }\n}\n    <\/style>\n<\/head>\n<body>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 HEADER\uff08\u5b8c\u5168\u5c45\u4e2d\u4fee\u590d\uff09\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<div class=\"doc-header\">\n    <div class=\"container\">\n        <div class=\"badge-group\">\n            <span class=\"doc-header-badge market\">\u2699\ufe0f Complete Specifications<\/span>\n            <span class=\"doc-header-badge analysis\">\ud83d\udcca Parameter Data Sheets<\/span>\n            <span class=\"doc-header-badge value\">\ud83d\udd27 Configuration Matrix<\/span>\n            <span class=\"doc-header-badge risk\">\u2705 IECEx Approved<\/span>\n        <\/div>\n        <h1>Heavy-Duty Type 241 Mining Cable: Complete Technical Specifications and Performance Parameters with AS\/NZS 1972 Compliance and IECEx Approval<\/h1>\n        <p>A comprehensive technical data reference containing complete specifications, detailed parameter tables, electrical and physical properties, configuration matrix for all standard voltage classes, performance test results, field endurance data, and harsh-environment application benchmarks for Feichun Heavy-Duty Type 241 flexible trailing cables. This document provides procurement engineers, mining equipment OEMs, and operations teams with exhaustive technical information required for cable selection, system design, and field deployment in extreme mining environments.<\/p>\n        <div class=\"doc-meta\">\n            <span>\ud83d\udccf 3\u00d735+3G16 through 3\u00d795+3G50 standard configurations<\/span>\n            <span>\u26a1 0.6\/1 kV to 1.8\/3 kV rated voltage classes<\/span>\n            <span>\ud83d\udee1\ufe0f Double-layer reverse-lay aramid anti-torsion braid<\/span>\n            <span>\ud83d\udcca Complete electrical properties and performance data<\/span>\n            <span>\ud83c\udf0d Type-test certified per EN 50396, BIA D-013, AS\/NZS 1972<\/span>\n            <span>\u2705 IECEx II 2G &amp; II 3G approved for hazardous mining areas<\/span>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SPECIFICATION CARDS \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<div class=\"container\" style=\"margin-top: 55px;\">\n    <div class=\"spec-grid\">\n        <div class=\"spec-card market\">\n            <div class=\"spec-card-label\">Bending Cycles (Type-Test)<\/div>\n            <div class=\"spec-card-value\">5 \u00d7 10\u2076<\/div>\n            <div class=\"spec-card-unit\">EN 50396 drum-bending test, 8 \u00d7 OD radius<\/div>\n        <\/div>\n        <div class=\"spec-card analysis\">\n            <div class=\"spec-card-label\">Torsion Residual Set<\/div>\n            <div class=\"spec-card-value\">\u2264 1\u00b0\/m<\/div>\n            <div class=\"spec-card-unit\">After 10\u2076 cycles, \u00b1180\u00b0 per metre<\/div>\n        <\/div>\n        <div class=\"spec-card value\">\n            <div class=\"spec-card-label\">Field Service Life (High-Duty)<\/div>\n            <div class=\"spec-card-value\">5\u20138 yrs<\/div>\n            <div class=\"spec-card-unit\">RMG\/ASC 240 m\/min reeling, automated terminals<\/div>\n        <\/div>\n        <div class=\"spec-card risk\">\n            <div class=\"spec-card-label\">Temperature Rating<\/div>\n            <div class=\"spec-card-value\">+90 \u00b0C<\/div>\n            <div class=\"spec-card-unit\">Continuous sustained duty, thermal-aged stable<\/div>\n        <\/div>\n        <div class=\"spec-card market\">\n            <div class=\"spec-card-label\">Flame Propagation<\/div>\n            <div class=\"spec-card-value\">\u2264 300 mm<\/div>\n            <div class=\"spec-card-unit\">IEC 60332-1 Category A, self-extinguishing<\/div>\n        <\/div>\n        <div class=\"spec-card analysis\">\n            <div class=\"spec-card-label\">Minimum Bend Radius<\/div>\n            <div class=\"spec-card-value\">8\u201310 \u00d7 OD<\/div>\n            <div class=\"spec-card-unit\">Drum and sheave compatibility<\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 CONTENT \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<div class=\"container\">\n    <div class=\"doc-content\">\n\n        <div class=\"section-divider\">\n            <span class=\"section-divider-badge market\">I<\/span>\n            <hr>\n            <span style=\"font-size:14px; color:var(--text-secondary);\">Standard Configuration Matrix and Technical Specifications<\/span>\n        <\/div>\n\n        <h2>1. Type 241 Configuration Matrix: Standard Variants and Specifications<\/h2>\n        <p>Feichun manufactures Type 241 mining cables in a standardized configuration matrix that covers the dominant application scenarios across global automated terminal equipment, rope shovels, ship loaders, and mining equipment. The matrix is organized by voltage class and power-conductor size. Each configuration is independently type-tested and certified to EN 50396, BIA D-013, and AS\/NZS 1972 standards.<\/p>\n\n        <h3>1.1. Standard 0.6\/1 kV Configurations<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Configuration<\/th><th>Power Cores<\/th><th>Control Bundle<\/th><th>Voltage Class<\/th><th>Outer Diameter<\/th><th>Weight per Metre<\/th><th>Min. Break Load (Armour)<\/th><th>Target Application<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\"><strong>3 \u00d7 35 + 3G16<\/strong><\/td><td class=\"advantage\">3 \u00d7 35 mm\u00b2<\/span><\/td><td class=\"advantage\">3 \u00d7 16 mm\u00b2 (G + 2 control)<\/span> <td class=\"advantage\">0.6\/1 kV<\/span><\/td><td class=\"advantage\">29\u201331 mm<\/span> <td class=\"advantage\">1.8\u20132.0 kg\/m<\/span> <td class=\"advantage\">\u2265 120 MPa<\/span> <td class=\"advantage\">Small RMG, light ship loader<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\"><strong>3 \u00d7 50 + 3G25<\/strong><\/td><td class=\"advantage\">3 \u00d7 50 mm\u00b2<\/span> <td class=\"advantage\">3 \u00d7 25 mm\u00b2 (G + 2 control)<\/span> <td class=\"advantage\">0.6\/1 kV<\/span> <td class=\"advantage\">36\u201338 mm<\/span> <td class=\"advantage\">3.0\u20133.4 kg\/m<\/span> <td class=\"advantage\">\u2265 150 MPa<\/span> <td class=\"advantage\">Standard ASC, RMG, mid-range ship loader<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\"><strong>3 \u00d7 70 + 3G35<\/strong><\/td><td class=\"advantage\">3 \u00d7 70 mm\u00b2<\/span> <td class=\"advantage\">3 \u00d7 35 mm\u00b2 (G + 2 control)<\/span> <td class=\"advantage\">0.6\/1 kV<\/span> <td class=\"advantage\">42\u201344 mm<\/span> <td class=\"advantage\">4.2\u20134.8 kg\/m<\/span> <td class=\"advantage\">\u2265 180 MPa<\/span> <td class=\"advantage\">Large RMG, large ship loader<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\"><strong>3 \u00d7 95 + 3G50<\/strong><\/td><td class=\"advantage\">3 \u00d7 95 mm\u00b2<\/span> <td class=\"advantage\">3 \u00d7 50 mm\u00b2 (G + 2 control)<\/span> <td class=\"advantage\">0.6\/1 kV<\/span> <td class=\"advantage\">48\u201350 mm<\/span> <td class=\"advantage\">6.0\u20136.8 kg\/m<\/span> <td class=\"advantage\">\u2265 200 MPa<\/span> <td class=\"advantage\">Stacker-reclaimer, large mining shovel<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h3>1.2. High-Voltage 1.8\/3 kV Variants<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Configuration<\/th><th>Power Cores<\/th><th>Control Bundle<\/th><th>Voltage Class<\/th><th>Outer Diameter<\/th><th>Weight per Metre<\/th><th>Min. Break Load<\/th><th>Application<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\"><strong>3 \u00d7 50 + 3G25 (MV)<\/strong> <td class=\"advantage\">3 \u00d7 50 mm\u00b2<\/span> <td class=\"advantage\">3 \u00d7 25 mm\u00b2 + shielding<\/span> <td class=\"advantage\">1.8\/3 kV<\/span> <td class=\"advantage\">40\u201342 mm<\/span> <td class=\"advantage\">3.4\u20133.8 kg\/m<\/span> <td class=\"advantage\">\u2265 150 MPa<\/span> <td class=\"advantage\">Long-distance ship loader, MV distribution<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\"><strong>3 \u00d7 70 + 3G35 (MV)<\/strong> <td class=\"advantage\">3 \u00d7 70 mm\u00b2<\/span> <td class=\"advantage\">3 \u00d7 35 mm\u00b2 + shielding<\/span> <td class=\"advantage\">1.8\/3 kV<\/span> <td class=\"advantage\">46\u201348 mm<\/span> <td class=\"advantage\">4.8\u20135.4 kg\/m<\/span> <td class=\"advantage\">\u2265 180 MPa<\/span> <td class=\"advantage\">Large MV equipment, pit distribution<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <div class=\"reference-box\">\n            <strong>Configuration Selection Guide:<\/strong> For automated container terminal equipment (ASC, RMG) in the 600\u20131,200 kW power range, the dominant specification is 3 \u00d7 50 + 3G25 at 0.6\/1 kV. For large rope shovels and heavy ship loaders (1,200+ kW), 3 \u00d7 70 + 3G35 or 3 \u00d7 95 + 3G50 is standard. For pit-to-substation distribution and long cable runs, 1.8\/3 kV variants with shielding are appropriate. Feichun recommends engaging the technical team early in the cable selection process to confirm the configuration is optimal for the specific equipment power envelope and reeling geometry.\n        <\/div>\n\n        <h2>2. Detailed Electrical Properties and Conductor Specifications<\/h2>\n        <h3>2.1. Conductor DC Resistance by Configuration (at 20 \u00b0C)<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Power Conductor Size<\/th><th>Class 5 Stranding<\/th><th>DC Resistance (\u03a9\/km)<\/th><th>Typical Strand Count (Approx.)<\/th><th>Control (mm\u00b2) \/ Resistance (\u03a9\/km)<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\">35 mm\u00b2<\/span> <td class=\"advantage\">Class 5 fine-strand<\/span> <td class=\"advantage\">0.524<\/span> <td class=\"advantage\">770 strands @ 0.24 mm diameter<\/span> <td class=\"advantage\">16 mm\u00b2 \/ 1.15 \u03a9\/km<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">50 mm\u00b2<\/span> <td class=\"advantage\">Class 5 fine-strand<\/span> <td class=\"advantage\">0.367<\/span> <td class=\"advantage\">1,092 strands @ 0.24 mm diameter<\/span> <td class=\"advantage\">25 mm\u00b2 \/ 0.727 \u03a9\/km<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">70 mm\u00b2<\/span> <td class=\"advantage\">Class 5 fine-strand<\/span> <td class=\"advantage\">0.263<\/span> <td class=\"advantage\">1,530 strands @ 0.24 mm diameter<\/span> <td class=\"advantage\">35 mm\u00b2 \/ 0.521 \u03a9\/km<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">95 mm\u00b2<\/span> <td class=\"advantage\">Class 6 ultra-fine-strand<\/span> <td class=\"advantage\">0.193<\/span> <td class=\"advantage\">2,080 strands @ 0.21 mm diameter<\/span> <td class=\"advantage\">50 mm\u00b2 \/ 0.367 \u03a9\/km<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n        <p><strong>Temperature coefficient of resistance:<\/strong> For Type 241 tinned copper conductors, the temperature coefficient is approximately +0.00386 per \u00b0C (per IEC 60228). Resistance increases with temperature as: R(T) = R\u2082\u2080 \u00d7 [1 + \u03b1 \u00d7 (T \u2212 20)]. For a 70 mm\u00b2 conductor at 80 \u00b0C, the resistance increases to approximately 0.263 \u00d7 [1 + 0.00386 \u00d7 (80 \u2212 20)] = 0.324 \u03a9\/km.<\/p>\n\n        <h3>2.2. Insulation Resistance and Dielectric Strength<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Test Condition<\/th><th>0.6\/1 kV Class<\/th><th>1.8\/3 kV Class<\/th><th>Standard Reference<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td><strong>Insulation Resistance (at 500 V DC)<\/strong> <td class=\"advantage\">\u2265 50 M\u03a9\u00b7km minimum <td class=\"advantage\">\u2265 100 M\u03a9\u00b7km minimum <td class=\"advantage\">IEC 60502-2<\/span><\/td><\/tr>\n                <tr><td><strong>AC Voltage Withstand Test (5 minutes)<\/strong> <td class=\"advantage\">3.5 kV AC per conductor (no breakdown) <td class=\"advantage\">5.5 kV AC per conductor <td class=\"advantage\">IEC 60502-2<\/span><\/td><\/tr>\n                <tr><td><strong>Spark Test (High-Voltage Transient)<\/strong> <td class=\"advantage\">8 kV AC impulse (single-conductor test) <td class=\"advantage\">12 kV AC impulse <td class=\"advantage\">IEC 62230<\/span><\/td><\/tr>\n                <tr><td><strong>Moisture Absorption (500 h water immersion, IEC 60811-410)<\/strong> <td class=\"advantage\">Insulation resistance \u2265 50 M\u03a9\u00b7km maintained <td class=\"advantage\">Insulation resistance \u2265 100 M\u03a9\u00b7km maintained <td class=\"advantage\">IEC 60811-410, ATEX requirement<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h2>3. Physical Properties and Mechanical Performance Data<\/h2>\n        <h3>3.1. Insulation Wall Thickness by Voltage Class<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Voltage Class<\/th><th>Power Conductor OD (mm)<\/th><th>Insulation Thickness (mm)<\/th><th>Total Diameter After Insulation (mm)<\/th><th>Tolerance (\u00b1)<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\">0.6\/1 kV (35 mm\u00b2) <td class=\"advantage\">6.7<\/span> <td class=\"advantage\">1.5<\/span> <td class=\"advantage\">9.7<\/span> <td class=\"advantage\">\u00b10.15 mm<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">0.6\/1 kV (50 mm\u00b2) <td class=\"advantage\">7.98<\/span> <td class=\"advantage\">1.5<\/span> <td class=\"advantage\">10.98<\/span> <td class=\"advantage\">\u00b10.15 mm<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">0.6\/1 kV (70 mm\u00b2) <td class=\"advantage\">9.47<\/span> <td class=\"advantage\">1.8<\/span> <td class=\"advantage\">13.07<\/span> <td class=\"advantage\">\u00b10.15 mm<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">0.6\/1 kV (95 mm\u00b2) <td class=\"advantage\">10.95<\/span> <td class=\"advantage\">1.8<\/span> <td class=\"advantage\">14.55<\/span> <td class=\"advantage\">\u00b10.15 mm<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">1.8\/3 kV (50 mm\u00b2) <td class=\"advantage\">7.98<\/span> <td class=\"advantage\">2.5<\/span> <td class=\"advantage\">12.98<\/span> <td class=\"advantage\">\u00b10.15 mm<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">1.8\/3 kV (70 mm\u00b2) <td class=\"advantage\">9.47<\/span> <td class=\"advantage\">2.5<\/span> <td class=\"advantage\">14.47<\/span> <td class=\"advantage\">\u00b10.15 mm<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h3>3.2. Armour Specifications: Double-Layer Anti-Torsion Geometry<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Cable Configuration<\/th><th>Inner Armour Wire \u00d8 (mm)<\/th><th>Inner Lay Angle (\u00b0)<\/th><th>Elastomer Interlayer (mm)<\/th><th>Outer Armour Wire \u00d8 (mm)<\/th><th>Outer Lay Angle (\u00b0)<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\">3\u00d735+3G16<\/span> <td class=\"advantage\">1.6<\/span> <td class=\"advantage\">+38\u00b0<\/span> <td class=\"advantage\">0.4\u20130.6<\/span> <td class=\"advantage\">1.6<\/span> <td class=\"advantage\">\u221238\u00b0<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">3\u00d750+3G25 (STANDARD) <td class=\"advantage\">1.8<\/span> <td class=\"advantage\">+40\u00b0<\/span> <td class=\"advantage\">0.5\u20130.7<\/span> <td class=\"advantage\">1.8<\/span> <td class=\"advantage\">\u221240\u00b0<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">3\u00d770+3G35<\/span> <td class=\"advantage\">2.0<\/span> <td class=\"advantage\">+42\u00b0<\/span> <td class=\"advantage\">0.6\u20130.8<\/span> <td class=\"advantage\">2.0<\/span> <td class=\"advantage\">\u221242\u00b0<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">3\u00d795+3G50<\/span> <td class=\"advantage\">2.0<\/span> <td class=\"advantage\">+42\u00b0<\/span> <td class=\"advantage\">0.6\u20130.8<\/span> <td class=\"advantage\">2.0<\/span> <td class=\"advantage\">\u221242\u00b0<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n        <p><strong>Braid Coverage Specification:<\/strong> Both inner and outer aramid braid layers are manufactured at 75\u201385% coverage per layer, achieving total coverage of 90\u201395%. This balance ensures complete surface protection while maintaining cable flexibility. Measured coverage variation within a production batch is \u2264 \u00b13% to ensure consistent torsion-balance performance across all cable lengths.<\/p>\n\n        <h3>3.3. Outer Sheath Properties<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Property<\/th><th>0.6\/1 kV Standard<\/th><th>1.8\/3 kV Standard<\/th><th>Test Method \/ Standard<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td><strong>Material Composition<\/strong> <td class=\"advantage\">Halogen-free low-smoke TPU (HFLS) <td class=\"advantage\">Halogen-free low-smoke TPU (HFLS) <td class=\"advantage\">Material data sheet, FTIR analysis<\/span><\/td><\/tr>\n                <tr><td><strong>Outer Sheath Thickness<\/strong> <td class=\"advantage\">3.5\u20134.0 mm<\/span> <td class=\"advantage\">4.0\u20134.5 mm<\/span> <td class=\"advantage\">Calliper measurement (5 points)<\/span><\/td><\/tr>\n                <tr><td><strong>Hardness (Shore A)<\/strong> <td class=\"advantage\">85\u201395 Shore A <td class=\"advantage\">85\u201395 Shore A <td class=\"advantage\">ISO 868<\/span><\/td><\/tr>\n                <tr><td><strong>Tensile Strength (Initial)<\/strong> <td class=\"advantage\">\u2265 14 MPa minimum <td class=\"advantage\">\u2265 14 MPa minimum <td class=\"advantage\">ISO 37, Type 1 dumbbell<\/span><\/td><\/tr>\n                <tr><td><strong>Elongation at Break (Initial)<\/strong> <td class=\"advantage\">\u2265 200% minimum <td class=\"advantage\">\u2265 200% minimum <td class=\"advantage\">ISO 37<\/span><\/td><\/tr>\n                <tr><td><strong>Taber Abrasion (CS-17 wheel, 1 kg)<\/strong> <td class=\"advantage\">\u2264 60 mg per 1000 cycles <td class=\"advantage\">\u2264 60 mg per 1000 cycles <td class=\"advantage\">ASTM D4060 \/ ISO 5470<\/span><\/td><\/tr>\n                <tr><td><strong>Oil Resistance (Mineral Oil, IRM 902, 70 \u00b0C, 168 h)<\/strong> <td class=\"advantage\">Mass change \u2264 \u00b110%, tensile \u2265 80% <td class=\"advantage\">Mass change \u2264 \u00b110%, tensile \u2265 80% <td class=\"advantage\">ISO 1817<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <div class=\"section-divider\">\n            <span class=\"section-divider-badge analysis\">II<\/span>\n            <hr>\n            <span style=\"font-size:14px; color:var(--text-secondary);\">Performance Test Results and Field Benchmarks<\/span>\n        <\/div>\n\n        <h2>4. Type-Test Performance Data: EN 50396 and BIA D-013 Compliance<\/h2>\n        <h3>4.1. Bending Fatigue Test Results (EN 50396 \/ BIA D-013)<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Test Configuration<\/th><th>Test Method<\/th><th>Feichun Type 241 Result<\/th><th>Acceptance Criterion<\/th><th>Margin<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\"><strong>Drum Bending, 8 \u00d7 OD<\/strong> <td class=\"advantage\">EN 50396, rotating drum at 180 cycles\/min <td class=\"advantage\">5.2 \u00d7 10\u2076 cycles to failure <td class=\"advantage\">\u2265 5.0 \u00d7 10\u2076 minimum <td class=\"advantage\">+4% margin<\/span><\/td><\/tr>\n                <tr><td><strong>Conductor Integrity (post-test)<\/strong> <td class=\"advantage\">Electrical continuity, microsectioning <td class=\"advantage\">Zero conductor fractures, no inter-strand corrosion <td class=\"advantage\">No visible strand breaks <td class=\"advantage\">Excellent<\/span><\/td><\/tr>\n                <tr><td><strong>Insulation Integrity (post-test)<\/strong> <td class=\"advantage\">High-voltage breakdown test <td class=\"advantage\">All specimens pass 3.5 kV AC, 5 min (0.6\/1 kV class) <td class=\"advantage\">No breakdown at rated voltage <td class=\"advantage\">Full pass<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h3>4.2. Torsion-Cycling Test Results (10\u2076 Cycle Protocol)<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Test Parameter<\/th><th>Protocol<\/th><th>Feichun Type 241<\/th><th>Standard IEC 61308 (Single-Braid)<\/th><th>Performance Advantage<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\"><strong>Residual Torsion @ 10\u2076 cycles<\/strong> <td class=\"advantage\">\u00b1180\u00b0\/m, 4 cycles\/min <td class=\"advantage\">\u2264 0.8\u00b0\/m (avg. 3 samples) <td class=\"advantage\">8\u201315\u00b0\/m typical single-braid <td class=\"advantage\">10\u201318\u00d7 better torsion control<\/span><\/td><\/tr>\n                <tr><td><strong>Torsional Set after release (elastic recovery)<\/strong> <td class=\"advantage\">Measure angle 1 hour post-cycling <td class=\"advantage\">\u2264 0.3\u00b0\/m residual <td class=\"advantage\">2\u20135\u00b0\/m single-braid <td class=\"advantage\">6\u201315\u00d7 recovery capability<\/span><\/td><\/tr>\n                <tr><td><strong>Conductor resistance change (post-torsion)<\/strong> <td class=\"advantage\">DC measurement @ 20 \u00b0C <td class=\"advantage\">\u2264 1.2% increase <td class=\"advantage\">3\u20138% increase single-braid <td class=\"advantage\">Better internal strain management<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h3>4.3. Thermal Aging and Environmental Resistance (168 h at 100 \u00b0C)<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Property Tested<\/th><th>Initial Value<\/th><th>After Thermal Aging<\/th><th>Retention %<\/th><th>Spec. Requirement<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td><strong>Outer Sheath Tensile Strength<\/strong> <td class=\"advantage\">15.2 MPa <td class=\"advantage\">12.9 MPa <td class=\"advantage\">85% <td class=\"advantage\">\u2265 85%<\/span><\/td><\/tr>\n                <tr><td><strong>Outer Sheath Elongation at Break<\/strong> <td class=\"advantage\">320% <td class=\"advantage\">240% <td class=\"advantage\">75% <td class=\"advantage\">\u2265 70%<\/span><\/td><\/tr>\n                <tr><td><strong>Insulation Tensile Strength<\/strong> <td class=\"advantage\">22.4 MPa <td class=\"advantage\">19.8 MPa <td class=\"advantage\">88% <td class=\"advantage\">\u2265 85%<\/span><\/td><\/tr>\n                <tr><td><strong>Insulation Elongation at Break<\/strong> <td class=\"advantage\">480% <td class=\"advantage\">385% <td class=\"advantage\">80% <td class=\"advantage\">\u2265 75%<\/span><\/td><\/tr>\n                <tr><td><strong>Volume Change (Oil Immersion, IRM 902)<\/strong> <td class=\"advantage\">\u2014 <td class=\"advantage\">+5.2% <td class=\"advantage\">\u2014 <td class=\"advantage\">\u2264 \u00b110%<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h2>5. Electrical Performance Benchmarks and Current Capacity<\/h2>\n        <h3>5.1. Continuous Current Ratings (Based on +90 \u00b0C Temperature Limit)<\/h3>\n        <p>Current ratings are calculated based on I\u00b2R loss producing a temperature rise that brings cable surface to +90 \u00b0C continuous operating limit. Ratings assume open-air installation at 30 \u00b0C ambient. For buried installation or higher ambient (40\u201350 \u00b0C), derate accordingly.<\/p>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Cable Configuration<\/th><th>Conductor Area<\/th><th>Continuous Current (Open Air, 30 \u00b0C Ambient)<\/th><th>Approximate Voltage Drop @ Rated Current (500 m run)<\/th><th>Heat Loss @ Rated Current<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\">3 \u00d7 35 + 3G16 (0.6\/1 kV) <td class=\"advantage\">105 mm\u00b2 (3\u00d735) <td class=\"advantage\">135 A per core (405 A total) <td class=\"advantage\">15.4 V per 500 m <td class=\"advantage\">~7.1 kW per 500 m at full load<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">3 \u00d7 50 + 3G25 (0.6\/1 kV) <td class=\"advantage\">150 mm\u00b2 (3\u00d750) <td class=\"advantage\">185 A per core (555 A total) <td class=\"advantage\">10.7 V per 500 m <td class=\"advantage\">~10.5 kW per 500 m at full load<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">3 \u00d7 70 + 3G35 (0.6\/1 kV) <td class=\"advantage\">210 mm\u00b2 (3\u00d770) <td class=\"advantage\">260 A per core (780 A total) <td class=\"advantage\">7.6 V per 500 m <td class=\"advantage\">~14.8 kW per 500 m at full load<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\">3 \u00d7 95 + 3G50 (0.6\/1 kV) <td class=\"advantage\">285 mm\u00b2 (3\u00d795) <td class=\"advantage\">340 A per core (1,020 A total) <td class=\"advantage\">5.6 V per 500 m <td class=\"advantage\">~20.2 kW per 500 m at full load<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n        <div class=\"tech-highlight\">\n            <h4>Current Rating Derating for Real-World Installation<\/h4>\n            <p>The continuous current ratings in the table above assume worst-case single-conductor resistance and no derating for elevated ambient. In practice, mining installations typically apply the following derating factors: (i) tropical climate +5\u00b0C effective ambient \u2192 3\u20135% current reduction; (ii) buried in duct without ventilation \u2192 10\u201315% reduction; (iii) multiple cables in close proximity (EMD bundling) \u2192 10\u201320% reduction; (iv) sustained duty cycle &gt;80% load factor \u2192 no additional derating. For equipment design, use the tabulated ratings as the baseline and apply derating based on the specific installation envelope.<\/p>\n        <\/div>\n\n        <h2>6. Field Performance Benchmarks: Real-World Deployment Data<\/h2>\n        <h3>6.1. Automated Terminal (ASC\/RMG) Duty Cycle Performance<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Performance Metric<\/th><th>Feichun Type 241 Deployed<\/th><th>Standard Industrial Cable (Baseline)<\/th><th>Improvement Factor<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td class=\"advantage\"><strong>Field Service Life (Automated Terminal)<\/strong> <td class=\"advantage\">5.8 years average (field data, 14 terminals, 50+ cables) <td class=\"advantage\">1.2\u20131.8 years baseline (corkscrewing failure) <td class=\"advantage\">3.2\u20134.8\u00d7<\/span><\/td><\/tr>\n                <tr><td><strong>MTBF (Mean Time Between Failures)<\/strong> <td class=\"advantage\">52 months documented <td class=\"advantage\">14\u201318 months baseline <td class=\"advantage\">2.9\u20133.7\u00d7<\/span><\/td><\/tr>\n                <tr><td><strong>Sheath Wear Rate (Field Measurement)<\/strong> <td class=\"advantage\">0.8\u20131.2 mm total thickness loss per 5 years <td class=\"advantage\">2.5\u20134.0 mm per year (rapid) <td class=\"advantage\">3\u20135\u00d7<\/span><\/td><\/tr>\n                <tr><td><strong>Conductor Oxidation (Inspection)<\/strong> <td class=\"advantage\">Minimal, no inter-strand corrosion <td class=\"advantage\">Black-core oxidation develops 6\u201312 months <td class=\"advantage\">Full lifecycle preservation<\/span><\/td><\/tr>\n                <tr><td class=\"advantage\"><strong>Unplanned Downtime Events per Year<\/strong> <td class=\"advantage\">0.3\u20130.5 cable-related failures per cable per year <td class=\"advantage\">2.0\u20133.5 failures per cable per year <td class=\"advantage\">4\u20137\u00d7 improvement<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <h3>6.2. Ship Loader Duty Cycle Performance (500 m cable, 400 A sustained)<\/h3>\n        <table class=\"comparison-table\">\n            <thead><tr><th>Scenario<\/th><th>Feichun Type 241<\/th><th>Standard Type 241 Equivalent<\/th><th>Notes<\/th><\/tr><\/thead>\n            <tbody>\n                <tr><td><strong>Coal loading terminal, tropical location (Australia)<\/strong> <td class=\"advantage\">6.2 years in service, excellent condition <td class=\"advantage\">3.1 years to replacement <td class=\"advantage\">High dust, high temperature stress<\/span><\/td><\/tr>\n                <tr><td><strong>Iron ore terminal, arid location (Brazil)<\/strong> <td class=\"advantage\">5.8 years service, minimal wear <td class=\"advantage\">2.4 years to failure <td class=\"advantage\">Extreme dust, 50+ \u00b0C surface temp<\/span><\/td><\/tr>\n                <tr><td><strong>Container terminal, temperate (Northern Europe)<\/strong> <td class=\"advantage\">7.1 years service, still functional <td class=\"advantage\">4.2 years to replacement <td class=\"advantage\">Moderate duty, cooler climate<\/span><\/td><\/tr>\n            <\/tbody>\n        <\/table>\n\n        <div class=\"success-box\">\n            <h4>\u2705 Data Summary: Feichun Type 241 Field Performance Validation<\/h4>\n            <p>Field deployment data across 14 automated terminal sites and 8 major ship loader installations document consistent 3\u20135\u00d7 improvement in cable service life compared to standard industrial-duty cables. The improvement is attributable to the combination of double-layer reverse-lay aramid braid (torsion control), high-quality HFLS insulation (thermal stability), and closed-loop manufacturing quality control (consistency). For mining operators and equipment OEMs evaluating cable specifications, the Feichun Type 241 field-performance data provides objective basis for specification decisions.<\/p>\n        <\/div>\n\n        <div class=\"section-divider\">\n            <span class=\"section-divider-badge decision\">III<\/span>\n            <hr>\n            <span style=\"font-size:14px; color:var(--text-secondary);\">Procurement, Specification, and Warranty<\/span>\n        <\/div>\n\n        <h2>7. Procurement Specifications and Technical Documentation<\/h2>\n        <p>Quotations for Feichun Type 241 cables include the following deliverables with each order:<\/p>\n        <ul>\n            <li><strong>Complete construction drawing:<\/strong> Cross-sectional view showing all six layers with precise dimensions, material specifications, and layer-by-layer breakdown<\/li>\n            <li><strong>Conductor and insulation data sheets:<\/strong> Chemical composition, thermal properties, electrical characteristics for every material component<\/li>\n            <li><strong>Braid engineering specifications:<\/strong> Measured lay angles (inner and outer layers), coverage percentages (with \u00b1tolerance), yarn material and tex (linear density)<\/li>\n            <li><strong>EN 50396 \/ BIA D-013 type-test report:<\/strong> Complete bending fatigue results, torsion-cycling test data, tensile test results, cold-bend performance<\/li>\n            <li><strong>IECEx certification documents:<\/strong> Notified Body approval letter, certified test report, scope of certification<\/li>\n            <li><strong>Routine production test results:<\/strong> Conductor DC resistance, insulation resistance, dielectric strength (high-voltage withstand), outer diameter and weight measurements for the specific delivery length<\/li>\n            <li><strong>Installation guidance and maintenance recommendations:<\/strong> Thermal margin calculation worksheets, termination best practices, storage conditions, inspection intervals<\/li>\n        <\/ul>\n\n        <div class=\"reference-box\">\n            <strong>Specification Writing Best Practice:<\/strong> When specifying Feichun Type 241 for OEM integration or mining operations, use the full configuration designation (e.g., &#8220;Type 241 3\u00d750+3G25 at 0.6\/1 kV, double-layer reverse-lay aramid anti-torsion braid, HFLS outer sheath, IECEx II 2G approved, manufactured to EN 50396 and BIA D-013&#8221;) rather than shorthand. This ensures that suppliers cannot substitute a single-braid industrial cable, and it creates an unambiguous baseline for quality and performance verification.\n        <\/div>\n\n        <h2>8. Warranty and Post-Sale Support<\/h2>\n        <p>Feichun Type 241 cables are manufactured under a quality management system certified to ISO 9001:2015. Standard warranty covers:<\/p>\n        <ul>\n            <li><strong>Manufacturing defects (first 12 months):<\/strong> Full replacement if cable fails due to defective materials, workmanship, or manufacturing process. Proof of compliance with storage and installation guidelines required<\/li>\n            <li><strong>Compliance warranty (12\u201324 months):<\/strong> Cable meets all specifications and test requirements documented in delivery package. Non-compliance claims must include independent test evidence<\/li>\n            <li><strong>Extended field performance warranty (24+ months):<\/strong> Available for equipment OEMs and mining operators who agree to (i) proper cable storage and installation per guidelines, (ii) documented maintenance inspections at 12-month intervals, (iii) failure reporting with photographic documentation. Extended warranty supports claims for premature failure root-cause analysis<\/li>\n        <\/ul>\n\n        <div class=\"contact-block\">\n            <p><strong>Technical Specifications and Quotation Inquiry<\/strong><\/p>\n            <p><strong>Email:<\/strong> Tech@feichuncables.com<\/p>\n            <p><strong>Telephone:<\/strong> +86 138 5512 3218<\/p>\n        <\/div>\n\n    <\/div>\n<\/div>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 FOOTER \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<div class=\"doc-footer\">\n    <div class=\"container\">\n        <h4>Anhui Feichun Special Cable Co., Ltd. \u2014 Heavy-Duty Type 241 Mining Cable Manufacturing<\/h4>\n        <p>Anhui Feichun Special Cable Co., Ltd. manufactures Heavy-Duty Type 241 mining cables with complete type-test documentation, IECEx certification, and field-proven performance across global automated terminal and mining equipment installations. All cables are manufactured to EN 50396, BIA D-013, and AS\/NZS 1972 standards with closed-loop quality control and routine production testing.<\/p>\n        <div class=\"contact-block\">\n            <p><strong>Engineering and Procurement Support<\/strong><\/p>\n            <p><strong>Email:<\/strong> Tech@feichuncables.com<\/p>\n            <p><strong>Telephone:<\/strong> +86 138 5512 3218<\/p>\n        <\/div>\n        <p>Complete technical documentation, quotations, and field support available upon request. Leadtime for standard configurations: 4\u20138 weeks from order confirmation. Third-party witness testing through DEKRA, T\u00dcV, SGS, BV, or Lloyd&#8217;s available for projects requiring independent verification.<\/p>\n        <div class=\"doc-id\">\n            Document Reference: FEICHUN-Heavy-Duty-Type241-Complete-Specifications-AS-NZS-1972-IECEx-EN-V1 \u00b7 Comprehensive Technical Data Sheet \u00b7 Configuration Matrix \u00b7 Electrical and Physical Properties \u00b7 Performance Test Data \u00b7 Field Benchmarks \u00b7 All specifications and parameters certified per EN 50396, BIA D-013, AS\/NZS 1972, and IECEx standards\n        <\/div>\n    <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"A comprehensive technical data reference containing complete specifications, detailed parameter tables, electrical and physical properties, configuration matrix for all standard voltage classes, performance test results, field endurance data, and harsh-environment application benchmarks for Feichun Heavy-Duty Type 241 flexible trailing cables. This document provides procurement engineers, mining equipment OEMs, and operations teams with exhaustive technical information required for cable selection, system design, and field deployment in extreme mining environments.","protected":false},"author":1,"featured_media":12061,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[66],"tags":[],"class_list":["post-16998","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=16998"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16998\/revisions"}],"predecessor-version":[{"id":17003,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/16998\/revisions\/17003"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/12061"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=16998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=16998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=16998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}