OBO Bettermann Equipotential Bonding Bar 188mm, Brass, White (5015075)

Electrical installations require reliable equipotential bonding to prevent dangerous potential differences and ensure safety. The OBO Bettermann Equipotential Bonding Bar provides a central point for connecting protective conductors, equipotential bonding conductors, and lightning protection systems. With its compact 188 mm length and seven screw-clamp terminals, it accommodates multiple conductors up to 25 mm², making it suitable for residential and commercial distribution boards.

Who is it for

Electricians and panel builders who need a dependable, surface-mounted bonding bar for main equipotential bonding in accordance with DIN VDE 0100-410 and 0100-540. It is also suitable for lightning protection equipotential bonding per DIN VDE 0185-305.

Main features

• Contact bar made of nickel-plated brass (CuZn) for excellent conductivity and corrosion resistance.
• Base plate and cover made of white polystyrene (PS), RAL 9010, for a clean appearance in visible installations.
• Seven screw-clamp terminals for single or multi-wire conductors up to 25 mm², and fine-wire conductors up to 16 mm².
• Additional connections for round conductors Rd 8-10 (2 terminals) and flat conductor FL 30 (1 terminal).
• Surface mounting for straightforward installation.

Specifications

• Length: 188 mm
• Material (contact bar): Brass (CuZn), nickel-plated
• Material (base plate/cover): Polystyrene (PS)
• Colour: White (RAL 9010)
• Number of connections (single/multi-wire): 7
• Max. conductor cross-section (single/multi-wire): 25 mm²
• Max. conductor cross-section (fine-wire): 16 mm²
• Number of connections (round conductor Rd 8-10): 2
• Number of connections (flat conductor FL 30): 1
• Connection type: Screw clamp
• Mounting type: Surface mount
• Operating temperature range: -5 °C to +40 °C

Tips

When installing, ensure all connections are tightened to the recommended torque to maintain low contact resistance. For fine-wire conductors, use ferrules to prevent strand breakage and ensure a secure connection.