Discover Winpower Outdoor H07Z1-K cable with tinned copper conductor, UV/polyolefin sheath, top-level CPR B2ca-s1a,d1,a1 fire rating—ideal for outdoor grounding applications such as solar farms and PV installations.
The Winpower Outdoor H07Z1-K cable is engineered for robust outdoor grounding use. Featuring a class 5 tinned copper conductor (Cu/Sn) and UV-resistant polyolefin insulation, this LSZH cable resists corrosion, ultraviolet degradation, and prevents galvanic corrosion between dissimilar metals—ideal for photovoltaic and solar applications
It boasts the highest fire performance under CPR (B2ca-s1a,d1,a1) and meets the EN 50618 standard for UV resistance in solar cables
4. Key Features & Benefits
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Tinned Copper Conductor (Cu/Sn, Class 5) for enhanced corrosion resistance and flexibility
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UV-Resistant Polyolefin Insulation that withstands sunlight and harsh outdoor environments
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Top-Grade CPR Fire Safety: Rated B2ca-s1a,d1,a1, minimizing fire spread and emissions
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LSZH (Low Smoke Zero Halogen) for reduced toxic and corrosive gas in case of fire
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Conforms to EN 50525-3-31 and EN 50618—ensuring compliance with solar and harmonized cable standards
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Corrosion & Galvanic Pair Protection—extends lifespan of outdoor solar installations by preventing metal degradation
5. Technical Specifications
| Parameter | Specification |
| Standard | EN 50525-3-31; meets solar EN 50618 |
| Conductor | Tinned copper (Cu/Sn), Class 5 flexible |
| Insulation | UV-resistant polyolefin (Type TI7) |
| Voltage Rating | 450/750 V |
| Fire Performance (CPR) | B2ca-s1a,d1,a1 |
| Thermal Ratings | Max service temp: 70 °C; short-circuit: 160 °C (≤5 s) |
| Service Temp Range | −40 °C to 70 °C (fixed installations) |
| Water Resistance | AD3 spray water protection above IP code |
| Mechanical Flexibility | Min bending radius: ×5 cable diameter |
| Oil/Chemical Resistance | Excellent |
| Conformity | AENOR, CE, HAR, RoHS, Bureau Veritas certifications |
| Markings & Packaging | Meter-by-meter markings (≥10 mm²); boxes/drums sealing |
6. Applications
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Solar Farms & Rooftop PV Systems – for safe grounding and earthing connections with UV and corrosion resistance
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Outdoor Grounding Wiring – for structures prone to galvanic stresses
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Harsh Outdoor Environments – highly suitable for long-term reliability
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Areas Requiring High Fire Safety – ideal in sensitive or regulated installations
7. Why Choose Winpower as Your Supplier?
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Rebranded Top-Quality Build—backed by the trusted Top Cable specifications under the Winpower label
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Highest Fire Safety Standards (CPR B2ca) for added peace of mind
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Enhanced Longevity—UV & corrosion resistance extend installation lifetime
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Certified & Compliant—Meets global/European norms for electrical safety
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Streamlined B2B Service—custom cross-sections, reels, and quick shipping available upon request
8. Frequently Asked Questions (FAQ)
Q1: Why use a tinned conductor?
A: Tinned copper resists corrosion and improves longevity, especially important where dissimilar metals are connected—minimizing galvanic degradation overall
Q2: What does CPR B2ca-s1a,d1,a1 mean?
A: It’s the top-tier EU fire reaction rating, meaning minimal flame spread, smoke, and corrosive gas in a fire scenario
Q3: What environments is this cable best for?
A: Perfect for outdoor ground loops in solar farms, rooftop PV installations, and any application needing UV resistance and LSZH fire safety.
Secure your supply of Winpower Outdoor H07Z1-K Cable—trusted, safe, and built for the elements.
Contact us today for custom options, pricing, and bulk supply details.
Post time: Aug-28-2025