China Solar DC Cables Manufacturers Factory - Solar DC Cables Made in China

Solar DC Cable Manufacturer & Supplier

JWCABLE supplies solar DC cables for photovoltaic (PV) string connections, combiner boxes, inverter connections, and other solar power system applications. Product options can be specified by conductor cross-section, voltage rating, insulation and sheath materials, cable construction, and applicable market standards.
We support cable sourcing for solar EPC contractors, PV system integrators, electrical distributors, and OEM buyers. Share your required cable standard, conductor size, order quantity, and destination market to confirm the suitable product configuration and available documentation.

Solar Cable 100m
Our factory offers the solar cable 100m as a ready-to-use 100-meter roll for solar projects. This product is designed for medium-sized solar installations. One roll of the product covers most home

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Solar Cable Twin
The product has two independent tinned copper stranded conductors with electron-beam cross-linked LSZH polyolefin insulation. The two cores sit side by side with a connecting web. You can separate

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Solar Panel Connecting Cable
This product is a basic product for PV array wiring. The product uses a high-purity tinned copper conductor and electron-beam cross-linked LSZH polyolefin insulation and sheath. It offers excellent

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Double Insulated Cable
The product has a high-purity tinned copper conductor. Both the inner insulation and outer sheath use electron-beam cross-linked LSZH polyolefin material. This double-layer structure gives

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Solar Power Wire
This product balances conductivity and flexibility for optimal performance. It uses a high-purity tinned copper stranded conductor and electron-beam cross-linked low-smoke halogen-free polyolefin

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Photovoltaic Wire
It uses a high-purity tinned copper stranded conductor and electron-beam cross-linked low-smoke halogen-free polyolefin insulation and sheath. This product offers excellent electrical insulation and

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Solar Panel Extension Cable
This product solves distance mismatch problems between panels, combiner boxes, and inverters. It uses a high-purity tinned copper conductor and electron-beam cross-linked low-smoke halogen-free

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Solar Pv Wire
It uses a high-purity tinned copper conductor and electron-beam cross-linked low-smoke halogen-free polyolefin insulation and sheath. This product offers excellent conductivity and insulation

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Solar Extension Cable
This product solves the distance mismatch problem between solar panels, inverters, and controllers. It uses a high-purity tinned copper conductor and electron-beam cross-linked low-smoke halogen-free

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Single Core Solar Cable
This product features a simple design with a single conductor, insulation, and sheath. It meets the basic needs of PV module series connections and DC transmission. This product uses a high-purity

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Weatherproof Solar Cable
It uses electron-beam cross-linked low-smoke halogen-free polyolefin insulation and sheath. The enhanced weather-resistant compound ensures excellent electrical and mechanical performance from -40°C

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Uv Resistant Solar Cable
This product is optimized for outdoor environments with intense UV radiation and large temperature differences. It uses a special UV-resistant sheath compound. We add high-efficiency UV stabilizers

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Product Types & Categories

Cable Type	Applicable Standard	Stated Voltage Range	Conductor Options	Configuration	Typical Application
H1Z2Z2-K	EN 50618; IEC 62930	1.5 kV DC class; confirm product rating and marking	Tinned flexible copper, Class 5 where specified	Single-core; twin-core subject to availability	PV string wiring and commercial or utility-scale solar installations
PV1-F	TÜV 2 PfG 1169, where applicable	1.0 kV DC, subject to product specification	Tinned flexible copper, where specified	Single-core	Compatible legacy PV installations
UL 4703 Photovoltaic Wire	UL 4703; CSA requirements where applicable	600 V, 1,000 V, or 2,000 V variants, subject to listing	Tinned or bare stranded copper, subject to model	Single-core	North American PV installations

Technical Specifications & Options

Conductor Size (mm²)	Stated Stranding (N × mm)	Max. Conductor Resistance at 20°C (Ω/km)	Nominal Outer Diameter (mm)	Indicative Current Capacity (A)	Approx. Weight (kg/km)
2.5	50 × 0.25	8.21	5.4	41	48
4.0	56 × 0.29	4.95	5.8	55	63
6.0	84 × 0.29	3.39	6.5	70	85
10.0	80 × 0.39	1.95	7.6	98	130
16.0	126 × 0.39	1.24	8.9	132	195
25.0	196 × 0.39	0.795	11.0	176	290

Materials & Physical Characteristics

01/

Conductor: Flexible tinned copper, with Class 5 construction where specified. Bare copper options may be available for selected models.

02/

Insulation: Cross-linked polyolefin (XLPO) where specified for the selected cable construction.

03/

Outer sheath: UV- and ozone-resistant XLPO options. Halogen-free and low-smoke properties must be confirmed against the relevant material specification and test reports.

04/

Sheath colors: Black, red, and blue, subject to product availability and order requirements.

05/

Temperature rating: The supplied specification states an operating range of -40°C to +90°C and a maximum conductor temperature of +120°C for a limited period. Confirm the permitted ambient range and any time limitation against the applicable standard and product datasheet.

06/

Bending radius: Preliminary values are greater than 4 × outer diameter for fixed installation and greater than 5 × outer diameter for flexing installation. Confirm the manufacturer's minimum bending radius for the selected cable and installation condition.

How to Select the Right Solar Cable

When requesting a quotation, specify:
Required cable standard and voltage rating.
Conductor cross-section and copper construction.
Installation method, ambient temperature, and environmental exposure.
Required insulation, sheath, and fire-performance characteristics.
Required certification, documentation, cable length, and order quantity.

These details help determine whether the proposed cable matches the electrical design, installation environment, and project compliance requirements.

Standards & Certifications

Standard or Requirement	Procurement Consideration
EN 50618	Confirm applicability to the H1Z2Z2-K cable and verify the relevant product documentation.
IEC 62930	Confirm the cable's rated voltage, construction, and conformity documentation.
TÜV 2 PfG 1169	Verify applicability to the specified PV1-F product and the validity of any claimed certification.
UL 4703	Confirm the exact listed cable type, voltage rating, manufacturer, and listing status.
CSA requirements	Confirm the relevant certification and product scope for the destination market.
IEC 60332-1-2	Verify flame-propagation test results where required.
IEC 61034-2 and IEC 60754-1/-2	Verify smoke and halogen-acid gas test evidence where these properties are specified.
EN 50289-4-17 and EN 60811 series	Confirm the applicable environmental or material test methods and the results for the selected product.
CPR classification	Confirm whether the cable is within the applicable CPR scope and whether the required classification documentation is available.

Customization & OEM Supply

Color and identification:

Specify sheath color, identification stripes, and continuous surface printing where available.

Custom printing:

Request buyer branding, part numbers, voltage markings, and other required identification. Regulatory marks may only be used where authorized for the product.

Cut-to-length supply:

Specify required lengths, tolerances, and packing format. Pre-terminated cable assemblies should be confirmed separately.

Connectors and cable harnesses:

MC4 or MC4-Evo 2 compatible assemblies may be considered only after confirming connector availability, cable compatibility, termination requirements, and applicable system approvals.

Twin-core construction:

Request confirmation of availability, construction details, and applicable certification for the required twin-core configuration.

Special constructions:

Armoring, enhanced jacketing, or direct-burial configurations require a separate technical review. Do not assume that a standard PV cable is suitable for direct burial.

Quality Control & Testing

Inspection or Test	Purpose
Conductor resistance testing	Checks conductor resistance against the applicable specification.
Dimensional inspection	Verifies conductor size, insulation and sheath thickness, and overall cable diameter.
Inline spark testing	Checks for insulation defects where the production line and cable construction support this test.
Thermal ageing tests	Evaluates material properties after exposure to specified ageing conditions.
Environmental testing	Verifies relevant UV, ozone, water, or other environmental resistance claims where required.
Electrical routine tests	Confirms the required electrical properties under the applicable test procedures.

MOQ, Lead Time & Export Packaging

Item	Preliminary Requirement
Standard cable MOQ	5,000 m per cross-section and standard color
Custom color or compound MOQ	10,000 m, subject to material and production requirements
Production lead time	10–15 business days for qualifying standard orders; confirm capacity and schedule
Coil packaging	100 m, 200 m, or 500 m coils, subject to availability
Cable drums	1,000 m or 2,000 m drums, subject to cable size and drum capacity
Export packaging	Cartons, pallets, or suitable cable drums according to order requirements
Trade terms	FOB, CFR, CIF, or DDP where available and agreed in the quotation

Our Certificates

FAQ

Q: What is the difference between H1Z2Z2-K and PV1-F solar cables?

A: H1Z2Z2-K is associated with EN 50618 and IEC 62930 requirements for photovoltaic cables. PV1-F is associated with the TÜV 2 PfG 1169 specification. Their voltage ratings, construction, test requirements, and approval status should be compared using the applicable product datasheets and certificates rather than assuming that every cable under either designation has identical properties.

Q: Are these solar cables suitable for direct burial?

A: Do not assume that a standard H1Z2Z2-K or PV1-F cable is approved for direct burial. Suitability depends on the specific cable construction, applicable standards, installation rules, and project requirements. If direct burial is required, provide the installation details so the supplier can confirm an appropriate, documented cable solution.

Q: What service life can I expect from a solar DC cable?

A: Service life depends on the cable design, material formulation, installation, temperature, UV exposure, moisture, mechanical stress, and operating conditions. Request the manufacturer's applicable qualification reports and service-life basis for the selected product. Do not treat an expected design life as an unconditional guarantee.

Q: Can you provide TÜV or UL certificates and test reports?

A: Ask the supplier to provide the relevant certificate or listing details and test documentation for the exact product. Confirm the certificate holder, product designation, applicable ratings, and validity. Availability and scope of documents must be verified before purchase.

Q: How is insulation and sheath thickness controlled?

A: Dimensional inspection can verify insulation and sheath thickness against the approved product specification. Ask whether the factory uses online measurement, offline sampling, or both, and request the applicable acceptance criteria and inspection records. Numerical concentricity claims should be supported by a defined measurement method.

Q: Can you supply pre-assembled solar cable harnesses?

A: Pre-cut or pre-terminated assemblies can be specified by cable length, conductor size, connector type, and end configuration, subject to the supplier's confirmed capabilities. Provide the drawings and required connector details so compatibility, termination requirements, and applicable approvals can be reviewed before production.

Request a Solar DC Cable Quote

To receive a quotation, provide the following information:
Required cable type and applicable standard.
Rated voltage and conductor cross-section.
Conductor material and insulation or sheath requirements.
Required certification and destination market.
Cable quantity, packing format, and delivery destination.
Any OEM marking, cutting, or connector requirements.

Email Us:marilyn.wang@jingwei-cable.com
Phone:+8618942901152 (Marilyn Wang)
The quotation should confirm the proposed product specification, applicable documents, MOQ, production lead time, packaging, and agreed shipping terms.
Contact JWCABLE for product specifications, sample availability, and a project-specific quotation. Use the company's verified business contact details and official communication channels for inquiries.

As one of the leading solar dc cables manufacturers in China, we warmly welcome you to buy bulk durable solar dc cables made in China here from our factory. All cables are with high quality and competitive price. For pricelist and free sample, contact us now.

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