Low Smoke Zero Halogen Power Distribution Solution | EN 50525-3-21 Certified
The H07ZZ-F represents a significant advancement in halogen-free cable technology, engineered specifically for high-density occupancy environments where toxic emission mitigation is paramount. This cable system employs cross-linked polyolefin compounds achieving IEC 61034-1/2 smoke density requirements with light transmission >60% under combustion conditions.
H07ZZ-F LSZH Flexible Cable
Low Smoke Zero Halogen Power Distribution Solution | EN 50525-3-21 Certified
Anhui Feichun Special Cable Co., Ltd. – Industrial Cable Specialists
Technical Overview & Engineering Characteristics
Critical Performance Parameters
The H07ZZ-F represents a significant advancement in halogen-free cable technology, engineered specifically for high-density occupancy environments where toxic emission mitigation is paramount. This cable system employs cross-linked polyolefin compounds achieving IEC 61034-1/2 smoke density requirements with light transmission >60% under combustion conditions.
International Cable Designations & Regional Variants
Understanding regional cable designation systems is crucial for international procurement and specification compliance. The H07ZZ-F follows the HAR (Harmonized) designation system, recognized across European and many international markets.
Global Designation Cross-Reference Matrix
| Region/Country | Designation Code | Standard Reference | Equivalent Performance Class |
|---|---|---|---|
| European Union (HAR) | H07ZZ-F | EN 50525-3-21 | 450/750V LSZH Flexible |
| United Kingdom | H07ZZ-F / BS 7919 | BS EN 50525-3-21 | Low Smoke Flexible |
| Germany (VDE) | H07ZZ-F / NHXMH-J | VDE 0250-214 | Halogenfreie Leitung |
| France | H07ZZ-F / NFC 32-201 | NF C32-201-3-21 | Sans Halogène |
| Italy | FG7(O)M1 equivalent | CEI 20-38 | Cavo Non Propagante |
| Spain | RZ1-K (AS) similar | UNE 21123-4 | Libre de Halógenos |
| Netherlands | ZHFR / H07ZZ-F | NEN 3621 | Halogeenvrij |
| China | WDZ-BYJ equivalent | GB/T 19666 | 低烟无卤柔性电缆 |
| Japan | EM-CE/F equivalent | JIS C 3662 | エコマテリアル |
| Australia/NZ | V-90HT equivalent | AS/NZS 5000.1 | LSHF Flexible |
| USA (Limited) | LSZH-FLEX (custom) | UL 1581 (VW-1) | Low Smoke Cable |
| Canada | FT4-LSZH equivalent | CSA C22.2 No.38 | Halogen-Free Flexible |
Harmonization Code Breakdown
H – Harmonized European Standard
07 – Voltage rating (450/750V)
Z – Halogen-free insulation compound
Z – Halogen-free sheath compound
-F – Flexible conductor (Class 5)
Comprehensive Electrical Specifications
Current Carrying Capacity Analysis (Ampacity)
| Cross Section (mm²) | Single-Phase AC (A) | Three-Phase AC (A) | Voltage Drop (mV/A/m) | Max Resistance (Ω/km @ 20°C) |
|---|---|---|---|---|
| 1.5 | 16 | 16 | 32 | 13.3 |
| 2.5 | 25 | 20 | 19 | 7.98 |
| 4 | 42 | 37 | 13.2 | 4.95 |
| 6 | 55 | 49 | 8.5 | 3.3 |
| 10 | 76 | 66 | 5.1 | 1.91 |
| 16 | 103 | 89 | 3.2 | 1.21 |
| 25 | 136 | 119 | 2.03 | 0.78 |
| 35 | – | 146 | 1.42 | 0.554 |
| 50 | – | 177 | 1.0 | 0.386 |
Mechanical Properties
- Minimum bending radius (fixed): 4 × OD
- Minimum bending radius (flexed): 6 × OD
- Tensile strength: >12.5 N/mm²
- Elongation at break: >125%
- Impact resistance: -5°C no cracking
Chemical Resistance Profile
- Oil resistance: IEC 60811-404 compliant
- UV stability: Enhanced with carbon black
- Acid/Alkali: Moderate resistance pH 4-10
- Water absorption: <2% by mass
- Ozone resistance: No cracking at 30pphm
Industrial Application Matrix
Mining & Extractive Industries
Underground mining operations mandate LSZH cables for personnel safety. The H07ZZ-F excels in confined spaces where ventilation is limited, preventing toxic gas accumulation during electrical faults. Specifically suited for:
- Conveyor motor connections
- Pump station wiring
- Emergency lighting circuits
- Ventilation fan supplies
Marine & Offshore Platforms
Maritime applications require exceptional fire safety standards. The cable’s low smoke properties ensure visibility during evacuation procedures. Applications include:
- Accommodation area wiring
- Engine room auxiliaries
- Bridge equipment connections
- Emergency generator circuits
Manufacturing & Automation
Industrial automation demands flexible, reliable power distribution. The Class 5 conductor provides excellent flex life for moving machinery:
- Robotic arm power feeds
- CNC machine tool wiring
- Portable welding equipment
- Assembly line motors
Data Centers & Telecommunications
Critical infrastructure protection requires zero-halogen materials to prevent equipment corrosion during fire events:
- UPS distribution circuits
- PDU interconnections
- Generator transfer switches
- HVAC control wiring
Comparative Analysis: H07ZZ-F vs Alternative Solutions
| Cable Type | H07ZZ-F LSZH | H07RN-F Rubber | H05VV-F PVC | H07BQ-F PUR |
|---|---|---|---|---|
| Smoke Emission | Very Low ✓✓✓ | Moderate ✓ | High ✗ | Low ✓✓ |
| Halogen Content | Zero ✓✓✓ | Present ✗ | High ✗✗ | Zero ✓✓✓ |
| Flexibility | Good ✓✓ | Excellent ✓✓✓ | Fair ✓ | Excellent ✓✓✓ |
| Temperature Range | -20°C to +90°C | -25°C to +60°C | -5°C to +70°C | -40°C to +90°C |
| Chemical Resistance | Good ✓✓ | Fair ✓ | Poor ✗ | Excellent ✓✓✓ |
| UV Resistance | Good ✓✓ | Good ✓✓ | Poor ✗ | Excellent ✓✓✓ |
| Relative Cost Index | 120% | 100% (baseline) | 70% | 180% |
| Primary Application | Safety-critical areas | General industrial | Light duty indoor | Extreme conditions |
Technical FAQ – Engineering Insights
Technical Inquiries & Procurement
Anhui Feichun Special Cable Co., Ltd.
[email protected] | [email protected] | [email protected]
ISO 9001:2015 | ISO 14001:2015 | OHSAS 18001:2007 Certified Manufacturer
[…] Source: Feichun Cable – H07ZZ-F LSZH Flexible Cable Technical Guide […]