High-Durability Solar Cable for PV Power Systems

Joca 1×4mm² DC Solar Cable – H1Z2Z2-K

A premium-quality, halogen-free, low-smoke XLPO solar DC cable designed for long-life photovoltaic power systems. Fully compliant with EN50618 standards, offering exceptional UV resistance, heat stability, and mechanical strength.

Overview

The Joca H1Z2Z2-K 1×4mm² Solar DC Cable is engineered for professional photovoltaic installations that demand long-term reliability. Manufactured with tinned copper conductor, XLPO insulation, and a double XLPO waterproof sheath, it delivers excellent thermal, electrical, and flame-retardant performance.

Designed for harsh outdoor environments, this cable supports DC 1500V systems and passes AD8 water resistance and CPR Cca fire rating, ensuring optimal safety and durability for both residential and commercial solar setups.

Key Highlights:

🔌 Cable Specifications

FeatureSpecification
ModelH1Z2Z2-K 1×4.0mm²
StandardEN50618
Construction TypeSingle-core PV DC Cable
ApplicationSolar PV systems, inverters, DC strings

🔋 Conductor Details

FeatureSpecification
Conductor MaterialTinned Copper
Cross-Sectional Area4.0 mm²
Construction56/0.28 mm
Outer Diameter (Conductor)2.41 mm

🟡 Insulation (XLPO)

FeatureSpecification
MaterialIrradiated XLPO (Cross-Linked Polyolefin)
Standard Thickness0.80 mm
Minimum Thickness0.53 mm
Outer Diameter After Insulation3.95 ± 0.15 mm
ColorBlack

⚫ Outer Sheath / Jacket (XLPO)

FeatureSpecification
MaterialWaterproof XLPO
Standard Thickness0.80 mm
Minimum Thickness0.58 mm
Outer Diameter After Sheath5.55 ± 0.30 mm
ColorBlack

⚡ Electrical Characteristics

FeatureSpecification
Rated VoltageDC 1500V
Max VoltageDC 1800V
Conductor Resistance (20°C)5.09 Ω/km (Max)
Test Voltage (Finished Cable)6500V

🌡️ Environmental & Physical Performance

FeatureSpecification
Temperature Rating-40°C to +120°C
Elongation (Unaged)≥ 125%
Tensile Strength (Unaged)≥ 6.5 N/mm²
Water ResistanceAD8 Test Passed
Fire ResistanceCPR Cca
Halogen ContentHalogen-Free
Smoke EmissionLow-Smoke XLPO

📦 Physical Details

FeatureSpecification
Packaging100m & 500m rolls
ManufacturerJoca Special Cable (Shanghai) Co., Ltd
Version1.0 (Updated: 2025/08/01)

Technical Documents & Installation Guides

Access complete technical details and resources for installation, configuration, and product specifications.

008-datasheet

Product Data Sheet

Ideal for engineers, dealers, and system designers to compare key parameters.

Download PDF

brochure

Product Catalogue

A simplified reference sheet for fast on-site setup.

Download PDF

003-document

User Manual

Includes safety instructions and troubleshooting procedures for daily use.

Download PDF

⚡ Powering Pakistan with Smarter Energy Solutions 🔋 Hybrid Inverters • On-Grid Inverters • Lithium Batteries • VFDs 📦 Premium Energy Accessories • DC Cables • Solar Panels 🌍 Reliable Products for Homes, Businesses & Industries
⚡ Powering Pakistan with Smarter Energy Solutions 🔋 Hybrid Inverters • On-Grid Inverters • Lithium Batteries • VFDs 📦 Premium Energy Accessories • DC Cables • Solar Panels 🌍 Reliable Products for Homes, Businesses & Industries
Premium Solar Cable Solutions

Request Wholesale Pricing for Joca 1×4mm² DC Cable

Get in touch for bulk pricing, availability, and technical support. Available in ready stock (Karachi) for fast delivery to dealers and installers across Pakistan.

Please enable JavaScript in your browser to complete this form.