Helukabel H07V-K Wire - 29140

The Helukabel 29140 is a high-quality, finely stranded single core wire designed for internal and ...

Best current price£26.80from Rapid Online - Rapid Electronics Ltd.

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Product Information

Full details

The Helukabel H07V-K (29140) is a professional-grade, finely stranded single-core wire designed for panel builders, electricians, and engineers working on internal switchboard and control system wiring. It offers high flexibility and reliable conductivity thanks to its Class 5 copper conductor, making it ideal for tight spaces and complex routing. While it provides excellent performance in fixed installations, it is not suitable for direct, unprotected laying on cable ladders or trays.

All features

Model Part Number29140
BrandHELUKABEL

Extended Product Information

FAQs

Can I use this wire outdoors?

The H07V-K is designed for internal use or within closed systems like conduits. It should not be used outdoors unless properly protected within an enclosed, shielded system.

What is the maximum voltage this cable can handle?

It is rated for 450/750 V AC in normal applications, and up to 1000 V AC in specific protected control and lighting device scenarios.

Is this wire suitable for cable trays?

No, it is not designed for direct laying on cable ladders or trays, except when used specifically as a potential equalization cable.

Does this wire contain harmful materials?

No, the Helukabel 29140 is manufactured without cadmium and meets modern sustainability and safety standards.

What does the 'K' in H07V-K stand for?

In this nomenclature, the 'K' denotes that the cable utilizes a finely stranded conductor, which provides its signature flexibility.

Troubleshooting

Difficulty threading through tight conduit bends

Use a proper cable lubricant to reduce friction and consider using a pull-string or fish tape to assist the passage.

Copper strands fraying at the terminal

Always use appropriate crimp-on wire ferrules to bundle and protect the fine strands before inserting into terminals.

Insulation appearing stiff in cold temperatures

If installing in environments near the lower temperature limit (-30 °C), ensure the cable is brought to room temperature before handling to prevent cracking.

Pros and Cons

Pros

  • Excellent flexibility for routing in tight spaces
  • High-quality copper conductor for reliable connectivity
  • Wide temperature tolerance for fixed installations
  • Easy to strip and terminate
  • Reliable CE-certified engineering

Cons

  • Not fire-resistant
  • Not intended for direct outdoor exposure without shielding
  • Prohibited for direct installation on open cable trays
  • Single-core only, requires grouping for multi-phase circuits

Setup, Compatibility & Care

Installation Best Practices

  • Pipe Installation: Always pull the wire through approved electrical conduits, whether on or underneath plaster, to ensure full protection.
  • Bending Radius: While flexible, avoid extreme kinks. Adhere to standard bending radius guidelines for 1.5 mm² stranded wire to prevent conductor fatigue.
  • Termination: Use high-quality ferrules when terminating to ensure maximum contact surface and to protect the fine copper strands from mechanical damage under terminal screws.

Care and Handling

  • Keep away from direct, prolonged UV exposure to maintain the integrity of the PVC insulation.
  • Store in a dry, cool environment to prevent moisture buildup inside the coil.
  • Ensure the installation environment does not exceed the flex-use range of 5 °C to 70 °C if the cable will be under movement during operation.

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