H05V2-K wire introduction EU coordinated model single conductor PVC insulated wire

Feb 27, 2026

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H05V2‑K is a single‑core flexible wire with PVC insulation, designed strictly in accordance with European Harmonized Standards, and must not be confused with multi‑core V2‑type cables. As a widely applied and classic European standard cable, it is mainly used for the internal wiring of electrical cabinets, control panels, electrical equipment and industrial devices, providing stable connection for power supply and control circuits. This cable fully conforms to the requirements of EN 50525‑2‑31 (replacing the former HD 21.7 S2 and VDE 0281 standards), meets the conductor specifications specified in IEC 60228, and complies with EU RoHS environmental protection directives and CE low‑voltage directives. With reliable insulation performance, good flexibility and excellent processability, it is widely recognized and applied in the European market, and is the conventional and certified internal wiring solution for industrial control equipment, household appliances, electrical installations and export‑oriented electromechanical products.

 

Model letter disassembly

  • H:Harmonized, European coordination model, with HAR logo, can freely circulate in the European Union

  • 05: Rated voltage 300/500 V (U0/U); Corresponding to H07 is 450/750V

  • V: The insulation material is heat-resistant PVC (TI3 grade), with a long-term temperature resistance of 90 ℃

  • 2: Structure/insulation level

  • K: Class 5 conductor (thin multi stranded copper wire), with thin single wires and multiple strands, strong flexibility, suitable for bending and wiring space limited cabinets/equipment interiors

H05V2-K wire

 

Core Structure and Technical Parameters

 

1

Conductor: Bare copper/Tin plated copper, IEC 60228 Class5; Common cross-sections are 0.5, 0.75, 1.0, 1.5, and 2.5 mm2; Test voltage 2000V AC

2

Insulation: Heat-resistant PVC, No sheath (single core wire), Easy to strip wire, Convenient for crimping terminals

3

Temperature range: Fixed installation -40℃ to 90℃; Dynamic bending+5℃ to 90℃

4

Bending radius: Fixed 4 times the outer diameter of the conductor; Move 6 times the outer diameter of the conductor

5

Flame retardant: IEC 60332-1-2 vertical combustion; Environmentally friendly RoHS 2.0, cadmium free and silicon free

 

Application scenarios

Internal wiring of industrial control cabinets

As a commonly used flexible wire in industrial scenarios, H05V2-K is widely used in various industrial control cabinets, especially suitable for internal wiring of TCMS cabinets (train control and management system cabinets). It can be used to connect core components such as I/O interfaces, relays, power modules, etc. inside the cabinet, and undertake signal transmission and power supply functions. Its good electrical insulation and flexibility characteristics can adapt to the dense wiring layout inside the control cabinet, avoid line entanglement, ensure stable operation of equipment, and meet the strict requirements of continuous operation in industrial production.

Internal wiring of household appliances and instruments

H05V2-K wire has become the preferred choice for internal wiring of household appliances and instruments due to its advantages of safety compliance, small size, and reliable insulation. In the field of household appliances, it can be used for internal circuit connections of devices such as refrigerators, washing machines, air conditioners, microwave ovens, etc., to transmit power and control signals; In the field of instrumentation, it is suitable for the internal wiring of various precision detection instruments and measuring equipment, meeting the wiring requirements of equipment miniaturization and precision, and ensuring the accuracy and safety of instrument operation.

In situations where frequent bending but non continuous drag chains are required

H05V2-K has certain flexibility and anti bending performance, and can be adapted to scenarios where frequent bending but non continuous drag chains are required, such as connecting the moving parts of small automation equipment, temporary wiring that needs to be repeatedly bent during equipment maintenance, and wiring in non drag chain parts of small mechanical arms. It should be noted that this wire is not suitable for continuous drag chain conditions. If it is a strong drag chain scenario, it is recommended to use high flexibility or TPU sheathed dedicated drag chain wires to avoid line wear and tear, fracture, and extend service life.

Mandatory compliance wire selection for exporting EU equipment

H05V2-K wire strictly complies with EU CE certification and relevant electrical safety standards, and is a mandatory compliance wire selection for exporting EU equipment. Whether it is industrial equipment, household appliances or instruments, as long as the plan is to export to the EU market, using H05V2-K wires can ensure that the equipment meets local electrical safety, environmental protection and other relevant regulatory requirements, avoid compliance risks, and ensure the smooth entry of products into the EU market. It is suitable for internal wiring of various types of electrical equipment exported to the EU.

H05V2-K wire
H05V2-K wire
H05V2-K wire

 

Confused model differentiation & procurement tips

Model Voltage Conductor Core Count Remark
H05V2-K 300/500V Class5 Single-core European standard main type, without sheath
H05V-K 300/500V Class5 Single-core Simplified identification, equivalent; There is VDE HAR
H05VV-F 300/500V Class5 Multi core with protective sheath Different from single core V2-K structure
H07V2-K 450/750V Class5 Single-core Higher voltage, used for controlling the main circuit of the cabinet

1.Procurement points: VDE/HAR/CE certification must be requested; Confirm the conductor material (bare copper/tin plated), wire diameter, color (black, brown, blue, yellow green PE, etc.), and packaging length

2.Wiring taboos: Do not directly bury or expose to long-term sunlight outdoors; Not suitable for contact with metal surfaces above 85℃; Not suitable for continuous high-speed towing chains (choose high flexible dedicated lines)

3.Current carrying capacity: 0.75 mm2 is about 10A (30℃, free air), 1.5 mm2 is about 16A, and the specific capacity should be reduced according to the standard or manufacturer's data sheet (multiple parallel lines and closed cabinets need to be reduced)

 

IMDS/CAMDS data supplementation (adapted to your manufacturing needs)

 

The material system of this wire is: copper conductor+PVC insulation; No sheath, halogen-free/low smoke optional; When submitting IMDS, it is necessary to accurately fill in the content of each component according to the material declaration (MSDS/COA) provided by the supplier to ensure the compliance of the entire vehicle/equipment.

 

Our factory also has many similar wires, such as H05Z-K, H07Z-K, etc.

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