DEHN Flexible Connection Strap 50 mm², 180 mm Length, Tinned Copper, for Equipotential Bonding and Lightning Protection 377045

Electricians and lightning protection installers use this flexible connection strap to create reliable equipotential bonding joints in earthing and lightning protection systems. The braided tinned copper conductor ensures high flexibility and low resistance, making it suitable for connections that require movement or vibration tolerance.

Key specifications

• Material: Tinned copper (Cu/Sn)
• Cross-sectional area: 50 mm²
• Length: 180 mm
• Conductor construction: Braided
• Connection type: For screw connections
• Number of mounting holes: 2
• Mounting hole diameter: 10.5 mm (for M10 screws)
• Mounting hole spacing (center-to-center): 150 mm
• Rated continuous current: Approx. 200 A (application dependent)
• Lightning current carrying capacity: 50 kA (10/350 µs)
• Short-circuit current: 1.5 kA (1 s)
• Standards compliance: IEC/EN 62561-1
• Corrosion protection: Tinned (Sn)
• Operating temperature range: -40 °C to +120 °C

Why choose it

The tinned copper braid offers excellent corrosion resistance and high conductivity, ensuring long-term performance in demanding environments. The flexible design simplifies installation in tight spaces and accommodates thermal expansion or structural movement.

Ideal use cases

• Equipotential bonding in electrical installations
• Earthing connections for equipment and structures
• Lightning protection system bonding
• Connections requiring flexibility and vibration resistance

Good to know

This connection strap is designed for screw mounting with M10 hardware. The 150 mm hole spacing matches common bonding bar dimensions, allowing quick integration into existing setups.