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PV1-F is a Single-Core Photovoltaic Cable specifically engineered for solar power systems, delivering exceptional weather resistance, UV protection, and electrical performance for DC side connections in photovoltaic installations.
Cable Designation Breakdown
PV: Photovoltaic
1: Single-Core
F: Flexible (Fine-Stranded Copper Conductor)
Primary Applications
Solar Panel Arrays: Interconnections between PV modules
DC Wiring: Connections from solar panels to inverters or combiner boxes
Outdoor Installations: Rooftop PV systems, solar farms, and ground-mounted installations
Renewable Energy Systems: Battery storage connections and charge controllers
Key Advantages
Solar-Optimized: Specifically engineered for PV systems with high UV and weather resistance
Flexibility: Easy installation around PV modules and in tight spaces
Durability: Tinned copper conductor resists corrosion in humid environments
Safety: Flame-retardant and halogen-free options reduce fire risks
PV1-F is the industry standard for solar DC wiring. For higher voltage requirements in utility-scale projects, consider PV1-F1.8 kV variants. Custom colors and conductor sizes are available. Consult technical datasheets for system-specific recommendations.
Technical Specifications
Nominal Cross-Section (mm²)
Conductor Structure (n/mm)
Max DC Resistance at 20°C (Ω/km)
Reference Conductor Diameter (mm)
Reference Cable Diameter (mm)
Reference Cable Weight (kg/km)
1.5
30/0.25
13.7
1.6
5.1
40.1
2.5
49/0.25
8.21
2.0
5.5
50.9
4
56/0.30
5.09
2.6
6.2
70.3
6
84/0.30
3.39
3.5
7.1
94.6
10
77/0.41
1.95
4.6
9.4
159.1
16
119/0.41
1.24
5.7
10.9
225.7
25
189/0.41
0.795
7.2
12.6
325.8
35
259/0.41
0.565
8.2
13.8
421.8
Frequently Asked Questions
What does PV1-F stand for?
It is a single-core, flexible cable designed specifically for photovoltaic applications.
What is the primary application of PV1-F cable?
It is used exclusively for the DC side of photovoltaic systems to interconnect solar panels and connect them to inverters or combiner boxes.
What are its key environmental resistance features?
PV1-F is engineered for harsh, long-term outdoor exposure:
UV & Ozone Resistance: Withstands direct sunlight for 20+ years without cracking
Wide Temperature Range: Typically -40°C to +90°C (or up to 120°C short-term)
Weather & Moisture Resistance: Performs in rain, snow, and high humidity
Chemical Resistance: Resists acids, alkalis, and pollution commonly found in industrial/agricultural environments
What are its electrical specifications?
Voltage Rating: DC 1.5 kV (standard for PV systems up to 1500V DC)
Conductor: Tinned, fine-stranded copper for flexibility and corrosion resistance
Insulation/Sheath: Cross-linked polyolefin (XLPO) or similar halogen-free material
Polarity Identification: Available in standard colors (Red for Positive, Black for Negative)
What safety and performance standards does it meet?
PV1-F complies with stringent international PV cable standards:
Europe: TÜV 2 PfG 1169 / EN 50618 (The most recognized standard)
International: IEC 62930
North America: UL 4703 (Sunlight Resistant PV Wire)
Can ordinary cable (like H07RN-F) be used instead?
Not recommended. Ordinary cables are not designed for continuous high DC voltage stress, decades of direct UV exposure, or the specific thermal cycling of PV systems. Using non-PV cable voids system warranties and poses safety risks.
Where exactly is PV1-F installed in a PV system?
Module Interconnections: Between solar panels in a string
String to Combiner Box: Connecting series strings to a combiner box
DC Main Runs: From combiner boxes to the central inverter(s)
Suitable for fixed installation on mounting structures, in cable trays, or for free movement within bend radius limits
What are important installation guidelines?
Bending Radius: Minimum 4 x cable diameter (very flexible)
Installation Temperature: As low as -25°C to -40°C (prevents insulation damage)
Connection: Must use PV-specific connectors that are weatherproof and compatible with the cable's outer diameter
Securing: Use UV-resistant cable ties or clamps
What are common variants or similar designations?
PV1-F 1.8kV: For higher system voltages
H1Z2Z2-K (or PV-Wire): Older or alternative designations to the same core standards
Multi-core versions exist for specific applications
Why is PV1-F a mandatory choice for solar projects?
It is a critical, system-longevity component that ensures:
Safety: Reliable insulation under DC stress and fire conditions
Durability: 25+ year service life matching solar panels
Performance: Maintains conductivity and insulation integrity over decades
Warranty Compliance: Required by panel/inverter manufacturers and insurance providers