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Lapp H07V-K Installation Wire - 4520071

Lapp H07V-K Installation Wire - 4520071

The Lapp H07V-K is a high-quality installation wire designed for reliability and flexibility. Feat...

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Product Information

Full details

The Lapp H07V-K is a premium 1.5mm² low voltage installation wire engineered for professional electricians and panel builders who require high flexibility and reliability in confined spaces. Its class 5 fine-wire copper conductor makes it exceptionally easy to route within complex control cabinets and conduits, providing a secure power link for fixed installations. While it excels in flexibility and safety, users should note that its standard PVC insulation is intended primarily for indoor fixed environments and is not suitable for extreme outdoor weathering applications without additional protection.

All features

Model Part Number4520071
BrandLAPP

Extended Product Information

FAQs

Can I use the H07V-K wire outdoors?

The H07V-K is designed for fixed installation. While it has a broad temperature range, it should be protected from direct weather exposure by using suitable conduits or closed ducts.

What is the primary benefit of the class 5 conductor?

The class 5 fine-wire construction provides high flexibility, making the cable easier to bend and route through tight spaces compared to rigid, solid-core conductors.

Does this wire meet fire safety standards?

Yes, it is flame-retardant according to IEC 60332-1-2 and complies with CPR Euro fire class Eca.

What is the maximum operating voltage?

The nominal operating voltage is up to 750V.

Is this cable suitable for control cabinet wiring?

Absolutely; it is specifically optimized for wiring devices and control cabinets where flexibility is required.

What is the outer diameter of the 1.5mm² variant?

The nominal outer diameter is 3.4mm.

Troubleshooting

Difficulty inserting wire into terminal block

Ensure the stranded copper ends are tightly twisted or, ideally, use a correctly sized wire ferrule to group the strands for a secure connection.

Insulation damage during pulling through conduit

Use cable pulling lubricant and ensure there are no sharp edges or burrs inside the conduit or cable tray system.

Pros and Cons

Pros

  • High flexibility due to class 5 stranded construction
  • Excellent fire resistance and flame-retardant properties
  • Wide operating temperature range from -40°C to 70°C
  • Reliable performance in control cabinets and device wiring
  • Compliant with international safety and quality standards

Cons

  • PVC insulation can become brittle in extreme low-temperature conditions if moved frequently
  • Requires professional installation to ensure correct termination
  • Not intended for direct exposure to harsh outdoor elements without conduit

Setup, Compatibility & Care

For installation, ensure that the cable is routed within approved conduits or cable ducts to comply with local electrical regulations. When stripping the PVC insulation, use precision wire strippers designed for 1.5mm² conductors to avoid nicking the fine copper strands, which can compromise the current-carrying capacity. While the cable is flame-retardant, it is essential to avoid exceeding the bending radius to maintain the integrity of the PVC jacket. During maintenance, simply inspect for signs of physical abrasion or discoloration, which could indicate overloading. The cable is compatible with standard terminal blocks and crimping ferrules appropriate for a 1.5mm² conductor size.

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