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EN50618 H1z2z2-K DC Solar Cable 4mm2 6mm2 10mm2.jpg

EN50618 H1z2z2-K DC Solar Cable 4mm2 6mm2 10mm2

*Safe power transmission: Designed for solar systems to ensure efficient and reliable energy transfer.

*Easy installation: Flexible and lightweight, ideal for routing in tight spaces.

*Outdoor durability: UV and ozone resistant, built for long-term outdoor use.

*Quote Online Now, Contact Us, Free Samples Available.

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Technical Data

Application

Photovoltaic (PV) cables are specifically engineered for solar energy systems, designed to connect DC terminals of photovoltaic equipment, input lines of power generation units, and interconnections between solar panels. These cables support up to 1.8kV DC voltage and are built to withstand harsh environmental conditions, offering high resistance to UV rays, ozone, extreme temperatures, and physical wear. With a service life of at least 25 years, PV cables provide long-term reliability, ensuring optimal performance in demanding solar energy installations.

Structure

Conductor: Tinned copper, compliant with IEC 60228, Class 5

Insulation: Low-smoke, halogen-free, flame-retardant irradiated polyolefin

Outer Sheath: Low-smoke, halogen-free, flame-retardant irradiated polyolefin

Sheath Color: Black/Red

EN50618 H1z2z2-K DC Solar Cable 4mm2 6mm2 10mm2 detial

Characteristic

Rated voltage DC 1.5KV / AC 1.0/1.0KV

Test voltage 6000V

Operating temperature -40℃~125℃

Short circuit temperature 280℃ 5s

Bending radius D＜8mm 4D; D≥8mm 6D

Service life ≥25 Years

Standard EN 50618:2014

Certification TUV /EN/UL/CQC

Features

1. The Conductor Is Tinned Copper Conductor

① Shields copper from oxidation.

② Enhances welding performance.

2. The Conductor Is Soft Copper Conductor

① Flexible strands for easy bending.

② Adjusts to sunlight angles.

③ Quick to install.

3. The Insulation and Sheath Are Made of Low-smoke Halogen-free Flame-retardant Material with a Temperature Resistance of 125℃

① Heat-resistant.

② Flame-retardant protection.

4. Insulation and Sheath Materials Have Heat Shrinkage

① Maintains cable integrity.

5. The Insulation and Sheath Materials Resist Low Temps

① Operates in -40℃ to 125℃.

② Won’t crack.

6. The Cable Is Resistant to Acid and Alkali Water

① Waterproof, reliable connections.

② Survives chemical exposure.

7. Strong UV Resistance

① 25 years of use.

② Break elongation ≤50%.

Certification

Our solar cables have obtained multiple international certifications, including TUV, EN, UL, CE and CQC, ensuring compliance with various market regulations worldwide. These certifications attest to the durability, efficiency, and long-term stability of our cables, making them suitable for various photovoltaic applications, from residential solar panels to large-scale solar farms.

solar cable

Packing

The regular packaging includes rolls of 100 meters, 200 meters, 500 meters, 1000 meters, and 3000 meters. Customers can choose the most suitable packaging size based on their project requirements.

PV cable manufacturer

photovoltaic cable manufacturer

EN50618 H1z2z2-K DC Solar Cable 4mm2 6mm2 10mm2

Corss Section(mm2）	Construction(n/mm)	Conductor	Resistance of	Insulation	Sheath	Outer	Carrying	Weight(kg/km)
Corss Section(mm2）	Construction(n/mm)	Stranded(mm)	Conductor(Ω/km)	Thickness(mm)	Thickness(mm)	Diameter(mm)	Capacity(A)	Weight(kg/km)
1x1.5	44/0.2	1.53	13.7	0.70	0.80	4.65	22	32.8
1x2.5	76/0.2	1.99	8.21	0.70	0.80	5.11	31	44.4
1x4	56/0.28	2.52	5.09	0.70	0.80	5.64	41	52.6
1x6	84/0.28	3.04	3.39	0.70	0.80	6.16	53	76.5
1x10	7×11/0.4	4.05	1.95	0.70	0.80	7.17	74	120.9
1x16	7×17/0.4	5.04	1.24	0.70	0.90	8.36	99	183.0
1x25	7×26/0.4	6.23	0.795	0.90	1.00	10.18	132	278.2
1x35	7×37/0.4	7.43	0.565	0.90	1.10	11.59	161	381.5
1x50	12×31/0.4	8.90	0.393	1.00	1.20	13.48	201	535.7
1x70	19×18/0.5	10.67	0.277	1.10	1.20	15.45	259	745.3
1x95	19×23/0.5	12.06	0.21	1.10	1.30	17.05	316	936.7
1x120	19×29/0.5	13.54	0.164	1.20	1.30	18.74	374	1164.4
1x150	19×37/0.5	15.30	0.132	1.40	1.40	21.12	426	1482.8

Solar Cable FAQs

Common questions and expert answers to help you choose the right solar cable.

Q: What is an H1Z2Z2-K solar cable?

A: H1Z2Z2-K is a European standard solar cable designed for DC connections in photovoltaic (PV) systems, with a voltage rating of up to 1500V DC.
Q: Why is TÜV certification important for H1Z2Z2-K solar cables?

A: TÜV certification ensures that the cable meets strict European safety and performance standards (EN 50618). Using TÜV-certified H1Z2Z2-K cables reduces risks like overheating, power loss, or fire hazards, and guarantees compliance for large solar projects, which is crucial for passing inspections and maintaining system warranties.
Q: Why choose H1Z2Z2-K cables for high-voltage solar systems?

A: H1Z2Z2-K cables are specifically designed for high-voltage applications (up to 1500V DC). Their low resistance, halogen-free insulation, and superior flame retardancy provide stable performance over long distances and heavy loads, minimizing voltage drop and improving overall system efficiency.
Q: How do I select the right size and color for H1Z2Z2-K solar cables?

A: Sizes: Common conductor sizes include 4mm², 6mm², and 10mm², depending on current, distance, and system design. Colors: Typically, red for positive (+) and black for negative (-) to prevent wiring mistakes. Your installer or engineer should calculate the correct size to avoid voltage drop and efficiency loss.
Q: What factors should I consider when buying H1Z2Z2-K solar cables in bulk?

A: Certification: Ensure TÜV and EN 50618 compliance. Material quality: Tinned copper conductors and XLPO insulation are preferred. MOQ & lead time: Choose suppliers with stable production capacity. Packaging: Cables should be packed in wooden drums or reels to prevent damage during shipping. Supplier reputation: Work with manufacturers experienced in exporting to Europe.
Q: Are there special connectors required for H1Z2Z2-K cables?

A: Yes, MC4 connectors or equivalent TÜV-certified connectors are recommended. Using compatible connectors prevents power loss, loose connections, and water ingress, which can cause safety issues or reduce system efficiency over time.

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