H07V-U H07V-R H07V-K
H07V-K cable is used for the internal wiring of electric motors and transformers as well as other electrical appliances and lighting applications. It can be used in and at electronic appliances for measuring, regulating and controlling. The cables are also ideal for laying in pipes, surface wiring and conduit installations. Specifications according to HD 516 apply for respective specific applications.
H07V-U cable is intended for the installation to inside of apparatus as well as for the protective laying to the lightings, in dry rooms, in production facilities, switch and distributor boards, in tubes, under and surface mounting of plasters.
H07V-R cable is preferably for installation indoors, in cable ducts, and in industrial plants or switching stations, under ground installation. It can be used in switchboards and distributor boards or where a thicker strand of multi-wire is required. Found in electronic and electrical equipment and switch gear cabinets designed for export to a European country and for MRO replacement of European-made equipment wire.
- Standard DIN VDE 0281-3, BS 6004, HD 21.3; ASTM, IEC, DIN, BS, AS, CSA, NFC, SS, etc.
Construction
Technical Specifications
Quality Control
Application
Construction
H07V-U H07V-R H07V-K
Conductor
annealed copper conductor acc. to EN 60228:
class 1 solid -H07V-U
class 2 stranded H07V-R
class 5 flexible H07V-K
class 1 solid -H07V-U
class 2 stranded H07V-R
class 5 flexible H07V-K
Insulation
PVC compound type TI 1
Color of insulation
blue, black, brown, green/yellow, or customized
Maximum Conductor Operating Temperature
+70°C
Lowest Ambient Temperature For Fixed Installation
-30°C
Lowest Installation Temperature
-5°C
Maximum Short-Crcuit Conductor Temperature
+160°C
Nominal Voltage
Uo/U: 450/ 750 V
Test Voltage
2500V
Flame Retardant
IEC 60332-1-2
Technical Specifications
H07V-U H07V-R H07V-K
H07V-U
H07V-R
H07V-K
Minimum bending radius
| Nominal Cross Section Area |
Number of wires Diameter of wires |
Approx. Diameter of Conductor |
Thickness of Insulation |
Approx. Overall Diameter |
Approx. Weight of cable |
Min. Insulation Resistance at 70°C |
| mm2 | No./mm | mm | mm | mm | kg/km | MΩ.km |
| 1.5 | 1/1.38 | 1.38 | 0.7 | 2.9 | 20.9 | 0.011 |
| 2.5 | 1/1.78 | 1.78 | 0.8 | 3.5 | 32.8 | 0.010 |
| 4 | 1/2.25 | 2.25 | 0.8 | 4.0 | 47.9 | 0.0087 |
| 6 | 1/2.76 | 2.76 | 0.8 | 4.5 | 67.8 | 0.0074 |
| 10 | 1/3.57 | 3.57 | 1.0 | 5.7 | 112.0 | 0.0072 |
|
Nominal Cross Section Area |
Number of wires /Diameter of wires |
Approx. Diameter of Conductor |
Thickness of Insulation |
Approx. Overall Diameter |
Approx. Weight of cable |
Max. Conductor Resistance at 20°C | Min. Insulation Resistance at 70°C |
| mm² | No./mm | mm | mm | mm | kg/km | Ω/km | MΩ.km |
| 1.5 | 7/0.52 | 1.56 | 0.7 | 2.96 | 21.5 | 12.1 | 0.010 |
| 2.5 | 7/0.68 | 2.04 | 0.8 | 3.64 | 34.6 | 7.41 | 0.0099 |
| 4 | 7/0.85 | 2.55 | 0.8 | 4.15 | 49.5 | 4.61 | 0.0082 |
| 6 | 7/1.04 | 3.12 | 0.8 | 4.72 | 69.5 | 3.08 | 0.0070 |
| 10 | 7/1.35 | 4.05 | 1.0 | 6.05 | 116.3 | 1.83 | 0.0067 |
| 16 | 7/1.70 | 5.10 | 1.0 | 7.10 | 167.1 | 1.15 | 0.0056 |
| 25 | 7/2.14 | 6.42 | 1.2 | 8.82 | 268.8 | 0.727 | 0.0053 |
| 35 | 7/2.52 | 7.56 | 1.2 | 9.96 | 364.6 | 0.524 | 0.0046 |
| 50 | 19/1.78 | 8.90 | 1.4 | 11.7 | 517.7 | 0.387 | 0.0046 |
| 70 | 19/2.14 | 10.70 | 1.4 | 13.5 | 708.2 | 0.268 | 0.0040 |
| 95 | 19/2.52 | 12.60 | 1.6 | 15.8 | 959.7 | 0.193 | 0.0039 |
| 120 | 37/2.03 | 14.21 | 1.6 | 17.41 | 1194.8 | 0.153 | 0.0035 |
| 150 | 37/2.25 | 15.75 | 1.8 | 19.35 | 1493.4 | 0.124 | 0.0035 |
| 185 | 37/2.52 | 17.64 | 2.0 | 21.64 | 1843.5 | 0.0991 | 0.0035 |
| 240 | 61/2.25 | 20.25 | 2.2 | 24.65 | 2383.5 | 0.0754 | 0.0034 |
| 300 | 61/2.52 | 22.68 | 2.4 | 27.48 | 2971.5 | 0.0601 | 0.0033 |
| 400 | 61/2.85 | 25.65 | 2.6 | 30.85 | 3927.4 | 0.0470 | 0.0031 |
|
Nominal Cross Section Area |
Number of wires /Diameter of wires |
Approx. Diameter of Conductor |
Thickness of Insulation |
Approx. Overall Diameter |
Approx. Weight of cable |
Max. Conductor Resistance at 20°C | Min. Insulation Resistance at 70°C |
| mm² | No./mm | mm | mm | mm | kg/km | Ω/km | MΩ.km |
| 1.5 | 30/0.25 | 1.57 | 0.7 | 2.97 | 3.67 | 13.3 | 0.010 |
| 2.5 | 49/0.25 | 2.02 | 0.8 | 3.62 | 4.42 | 7.98 | 0.0095 |
| 4 | 56/0.30 | 2.9 | 0.8 | 4.5 | 5.30 | 4.95 | 0.0078 |
| 6 | 84/0.30 | 3.6 | 0.8 | 5.2 | 6.00 | 3.30 | 0.0068 |
| 10 | 84/0.40 | 4.7 | 1.0 | 6.7 | 7.70 | 1.91 | 0.0065 |
| 16 | 126/0.40 | 5.9 | 1.0 | 7.9 | 8.90 | 1.21 | 0.0053 |
| 25 | 196/0.40 | 7.3 | 1.2 | 9.7 | 10.90 | 0.780 | 0.0050 |
| 35 | 276/0.40 | 9.2 | 1.2 | 11.6 | 12.80 | 0.554 | 0.0043 |
| 50 | 396/0.40 | 11 | 1.4 | 13.8 | 15.20 | 0.386 | 0.0042 |
| 70 | 360/0.50 | 13.1 | 1.4 | 15.9 | 17.30 | 0.272 | 0.0036 |
| 95 | 475/0.50 | 14.4 | 1.6 | 17.6 | 19.20 | 0.206 | 0.0036 |
| 120 | 608/0.50 | 16.3 | 1.6 | 19.5 | 21.10 | 0.161 | 0.0032 |
| 150 | 756/0.50 | 18.7 | 1.8 | 22.3 | 24.10 | 0.129 | 0.0032 |
| 185 | 925/0.50 | 20.1 | 2.0 | 24.1 | 26.10 | 0.106 | 0.0032 |
| 240 | 1221/0.50 | 23.1 | 2.2 | 27.5 | 29.70 | 0.0801 | 0.0031 |
| Minimum bending radius: | For cable diameter D (mm) | |||
| D≤8 | 8| 12 | D>20 |
| |
| Normal use | 4 D | 5 D | 6 D | 6 D |
| Careful bending at termination | 2 D | 3 D | 4 D | 4 D |
Quality Control
H07V-U H07V-R H07V-K
Raw Material Test
Raw Material Test for H07V-U, H07V-R, and H07V-K cables ensures quality from the source. Copper conductors are inspected for electrical conductivity, mechanical strength, surface condition, and dimensional tolerance. PVC insulation compounds are tested for heat resistance, tensile strength, elongation, and aging characteristics. Only materials that pass all physical and electrical tests are approved for production. This process ensures consistent conductor performance, insulation reliability, and long-term safety of H07V series cables.
Process inspection
During manufacturing, Process Inspection closely monitors every stage of H07V-U, H07V-R, and H07V-K cable production. Conductor processing is checked to confirm correct flexibility class and uniform structure. Insulation extrusion is controlled for thickness accuracy, concentricity, and smooth surface finish. Regular in-process inspections and measurements help maintain stable quality and ensure full compliance with harmonized technical standards.
Finished Product
Finished Product Testing verifies the complete performance of H07V-U, H07V-R, and H07V-K cables. Electrical tests include resistance measurement, insulation integrity checks, and voltage withstand testing. Mechanical tests evaluate bending capability, flexibility, and insulation durability. Final visual inspection confirms correct labeling and workmanship. Only products that meet all specified requirements are released for shipment.
Application
H07V-U, H07V-R, and H07V-K cables are used in electrical panels, distribution boards, conduits, industrial equipment, and building installations requiring reliable low-voltage wiring solutions.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
Wires and Cables packaging (1)
Wires and Cables packaging (2)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
Wires and Cables packaging (7)
Wires and Cables packaging (8)
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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What inspections should be carried out for the acceptance of cable lines?(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear; (2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements; (3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements; (4) Good grounding; (5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted; (6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.
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