OBO BETTERMANN Equipotential Bonding Bar 20 Connections 5015849

Electricians and lightning protection installers use this equipotential bonding bar to create a central bonding point in main equipotential bonding systems. With 20 connection points, it accommodates multiple round and flat conductors, ensuring reliable bonding in residential and commercial electrical installations.

Key specifications

• Total connection points: 20
• 7 connections for round conductors 2.5–25 mm²
• 2 connections for round conductors 25–95 mm²
• 1 connection for flat conductors up to 30x3.5 mm
• Contact rail: nickel-plated brass
• Base plate: galvanized steel
• Cover: polystyrene, grey
• Rated impulse current (Iimp, 10/350 µs): 100 kA
• Rated short-circuit current (Icw, 1s): 100 kA
• Protection class: IP20 (with cover)

Why choose it

The nickel-plated brass contact rail provides excellent conductivity and corrosion resistance, while the galvanized steel base ensures durability. The grey polystyrene cover protects against accidental contact, meeting IP20 requirements. Compliant with DIN VDE 0100-410 and DIN VDE 0100-540 for equipotential bonding, and DIN VDE 0185-305 for lightning protection.

Ideal use cases

• Main equipotential bonding in electrical installations
• Lightning protection equipotential bonding
• Connecting multiple protective conductors to a common bar

Good to know

Surface mounting allows easy installation on walls or panels. The operating temperature range is -5 °C to +40 °C. Suitable for single-wire, multi-wire, and fine-stranded conductors.