The Helukabel 29140 is a high-quality, finely stranded single core wire designed for internal and ...The Helukabel 29140 is a high-quality, finely stranded single core wire designed for internal and switchboard wiring applications. With a cross-section of 1 x 1.50 mm² and a transparent insulation, this H07V-K wire offers exceptional flexibility and ease of handling for precise electrical connections. It is supplied in a 100-meter length and features a nominal voltage of 450/750 V. The conductor is made of copper according to DIN VDE 0295 Class 5, ensuring reliable conductivity and durability. This wire is engineered for optimal performance in a temperature range of -30 °C to +80 °C in fixed installations.
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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 Number
29140
Brand
HELUKABEL
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.