100 V Professional Welding Cable with Ultra-Flexible Bare Copper Conductors, Very Flexible Multi-Strand Construction, EM5 Oil-Resistant Rubber Sheath, 85°C Continuous Conductor Rating, Duty-Cycle Derating Support (8%–100% Load Factor), VDE 0482-332-1-2 Flame-Retardant, −20°C to +85°C Temperature Range, and Single-Core Configurations from 10mm² to 240mm² — The Industry Standard for MIG/MAG, TIG, Stick Welding, Portable Mobile Welding Equipment, and On-Site High-Current Industrial Applications
Professional Welding-Grade Cable Engineering: Ultra-Flexible Bare Copper Conductors for Unlimited Coiling and Uncoiling Without Fatigue, Very Flexible Multi-Strand Design Supporting High-Current Welding Loads (Up to 2,059A Under Periodic Duty Cycle), EM5 Oil-Resistant Rubber Sheath for Workshop & Fabrication Environment Protection, 85°C Continuous Conductor Temperature for Sustained Welding Operations, Comprehensive Duty-Cycle Current Tables (100% Permanent Through 8% Periodic Duty), Extended −20°C to +85°C Temperature Range for Arctic to Tropical Fabrication Sites, H01N2-D Normal Flexibility & H01N2-E High Flexibility Variants, and Universal Compatibility with All Major Welding Equipment Architectures (Stick, MIG/MAG, TIG, Plasma)
H01N2-D/-E® Welding Cable
100 V Professional Welding Cable with Ultra-Flexible Bare Copper Conductors, Very Flexible Multi-Strand Construction, EM5 Oil-Resistant Rubber Sheath, 85°C Continuous Conductor Rating, Duty-Cycle Derating Support (8%–100% Load Factor), VDE 0482-332-1-2 Flame-Retardant, −20°C to +85°C Temperature Range, and Single-Core Configurations from 10mm² to 240mm² — The Industry Standard for MIG/MAG, TIG, Stick Welding, Portable Mobile Welding Equipment, and On-Site High-Current Industrial Applications
Professional Welding-Grade Cable Engineering: Ultra-Flexible Bare Copper Conductors for Unlimited Coiling and Uncoiling Without Fatigue, Very Flexible Multi-Strand Design Supporting High-Current Welding Loads (Up to 2,059A Under Periodic Duty Cycle), EM5 Oil-Resistant Rubber Sheath for Workshop & Fabrication Environment Protection, 85°C Continuous Conductor Temperature for Sustained Welding Operations, Comprehensive Duty-Cycle Current Tables (100% Permanent Through 8% Periodic Duty), Extended −20°C to +85°C Temperature Range for Arctic to Tropical Fabrication Sites, H01N2-D Normal Flexibility & H01N2-E High Flexibility Variants, and Universal Compatibility with All Major Welding Equipment Architectures (Stick, MIG/MAG, TIG, Plasma)
Introduction: The Cable Built for Industrial Welding
H01N2-D/-E® is the professional-grade welding cable engineered specifically for the extreme mechanical and thermal demands of portable welding equipment: MIG/MAG (metal inert gas) welders delivering hundreds of amperes in a compact handheld torch, TIG (tungsten inert gas) systems requiring ultraprecise current control, stick (arc) welders generating intense heat at the electrode, and plasma cutting equipment operating at extreme power levels. Unlike general-purpose industrial cables, the H01N2-D/-E features ultra-flexible bare copper conductors enabling unlimited coiling without fatigue, EM5 oil-resistant rubber sheath tolerating workshop fluids and solvents, and comprehensive duty-cycle current derating enabling proper sizing for periodic welding operations where cables are not continuously carrying rated current.
This cable was engineered in direct response to the real-world demands of welding operations. A professional welder operates a portable MIG welder for only 8–35% of working hours (the rest is spent positioning the workpiece, changing wire spools, inspecting quality)—the cable experiences high current only during active welding, not continuously. Traditional cables sized for 100% continuous duty would be oversized (waste material cost and reduce flexibility). The H01N2-D/-E includes detailed duty-cycle current tables enabling engineers to size cables correctly: a cable rated 250A at 100% continuous duty might be rated 400A at 35% periodic duty (typical light welding) or 700A at 8% periodic duty (light tack welding). This engineering sophistication enables optimizing cost, weight, and performance for real welding operations.
H01N2-D/-E current ratings are duty-cycle dependent. The cable must NOT be used at higher current ratings than its duty cycle permits. For example, a 1X70 cable rated at 341A continuous (100% duty cycle) is rated only 510A at 35% duty cycle and 1,011A at 8% duty cycle. If a cable is used continuously at the 35%-duty-cycle current (510A), severe overheating will occur, damaging insulation and creating fire risk. Always verify the actual duty cycle of the welding application and consult the duty-cycle tables before selecting cable size. When in doubt, default to the continuous-duty rating for safety.
Technical Specifications: Complete DIN EN 50525-2-81 Breakdown
| Parameter | Specification |
|---|---|
| Standard Compliance | DIN EN 50525-2-81 (VDE 0285-525-2-81). Feichun equivalent: FC-H01N2™ Series. |
| Voltage Rating | Uo/U: 100 V (nominal). Test voltage: 1 kV. Suitable for welding machine secondary circuits (typically 100V or less). |
| Conductor Material | Bare copper. Excellent electrical conductivity with zero insulation between strands (common in welding cables for maximum flexibility). |
| Conductor Construction | Very flexible (more flexible than Class 5). Extremely fine multi-strand design enabling unlimited coiling/uncoiling. |
| Sheathing Material | Rubber (CR) EM5 (oil-resistant). Neoprene formulation resisting workshop fluids, solvents, and mechanical abrasion. |
| Flame-Retardant | VDE 0482-332-1-2 / IEC 60332-1-2. Certified for safe cable fire behaviour. |
| Oil Resistance | Yes — EN 60811-404. Sheath formulated to resist machine oils, hydraulic fluids, and solvents common in welding workshops. |
| Temperature Range (Fixed) | −20°C to +85°C (outer cable temperature). Covers arctic fabrication sites to tropical shipyards. |
| Temperature Range (Moving) | −20°C to +85°C (during dynamic welding torch operation). |
| Maximum Conductor Temperature | 85°C (continuous operation at rated duty cycle). Superior to many welding cables rated at 60–70°C. |
| Duty-Cycle Support | 100% (continuous), 85%, 80%, 60%, 35%, 20%, 8% (periodic). Comprehensive derating tables for accurate cable sizing. |
| Current Capacity Range | 96A (1X10, continuous) to 2,059A (1X185, 8% duty). See detailed current tables by configuration and duty cycle. |
| Bending Radius (H01N2-D Normal Flex) | 46–177 mm (depending on conductor size). Moving application rated. |
| Bending Radius (H01N2-E High Flex) | Tighter radius than D variant. For ultrahigh-flexibility portable applications. |
Ultra-Flexible Conductor Design: High-Current Reliability Through Extreme Coiling
The defining engineering challenge of welding cables is delivering hundreds of amperes through a conductor thin enough to be practical for a portable torch, while maintaining reliability through thousands of coiling cycles. A standard cable carrying 500A would require a thick, stiff conductor—unsuitable for handheld welding torches that must be flexible and lightweight.
The H01N2-D/-E solves this through ultra-flexible multi-strand bare copper construction—the conductor consists of hundreds or thousands of individual copper wires (sometimes as fine as 0.05 mm diameter) bundled together. This extreme fine-stranding distributes electrical current across thousands of parallel paths and distributes mechanical stress across thousands of contact points. The conductor can be coiled tightly, flexed repeatedly, and even knotted without internal wire breakage.
Oil-Resistant EM5 Sheath: Workshop & Fabrication Environment Protection
The EM5 oil-resistant rubber sheath is formulated from neoprene (CR, chloroprene rubber)—a synthetic elastomer selected for its exceptional resistance to machine oils, hydraulic fluids, solvents, and other chemicals common in welding workshops and fabrication facilities. The EM5 formulation actively resists degradation—testing per EN 60811-404 shows EM5 cables exposed to mineral oil immersion for 168 hours show negligible dimensional change and maintained mechanical properties.
Application Guide: MIG/MAG, TIG, Stick Welding, Portable Equipment
MIG/MAG (Metal Inert Gas / Metal Active Gas) Welding
MIG/MAG welders deliver high current (200–500A typical) through a compact handheld torch. The H01N2-D/-E’s extreme flexibility enables lightweight torch design. The high current capacity supports industrial MIG welding with large power supplies.
TIG (Tungsten Inert Gas) Welding
TIG welders typically operate at lower currents (100–300A) than MIG, but require precise current control and reliability. The H01N2-D/-E supports TIG operation across the full power range.
Stick (Arc) Welding
Stick welders often operate in harsh shop environments with oil splash and temperature extremes. The EM5 oil-resistant sheath is specifically designed for these conditions.
Comparison: H01N2 vs. Standard & Budget Welding Cables
| Feature | H01N2-D/-E (Premium) | Standard Welding Cable | Budget Welding Cable |
|---|---|---|---|
| Standard Compliance | DIN EN 50525-2-81 | Varies | Often non-compliant |
| Sheath Type | EM5 (oil-resistant) | Rubber (basic) | Thermoplastic |
| Max Conductor Temp | 85°C | 70–75°C | 60°C |
| Oil Resistance | Yes | Moderate | Poor |
| Expected Service Life | 10–15 years | 5–10 years | 1–3 years |
Cost-Effective Feichun Equivalent
Feichun Lead Times: 4–6 weeks for standard H01N2-D/-E configurations. European Klaus Faber: 10–14 weeks.
Feichun Pricing: Klaus Faber H01N2 single-core cables quoted at €8–18/metre; Feichun FC-H01N2™ equivalent: €4–10/metre. Per typical mobile welding rig installation (200 metres of mixed sizes): savings of €800–€1,600.
Case Study: European Metal Fabrication Shop — Welding Equipment Upgrade: A medium-sized metal fabrication shop upgraded 15 portable MIG/MAG welding rigs with new H01N2-E high-flexibility cables. Total cable requirement: 600 metres. Klaus Faber quote: €7,200 with 12-week lead time. Feichun quote: €3,600 with 4-week lead time. Total savings: €3,600. Return on investment: Realized through faster project turnaround and improved operator productivity.
Standards & References
- Klaus Faber AG, H01N2-D/-E Welding Cable — Product Data Sheet, dbl_h01n2.pdf, Issue 04/06/2026.
- DIN EN 50525-2-81, Harmonized cable specifications — Welding cables for machine or hand operation.
- VDE 0482-332-1-2 / IEC 60332-1-2, Vertical flame propagation test.
- EN 60811-404, Oil resistance test method for cable sheathing.
