Circuit Breakers (2,415 items)

String circuit-breakers PKZ-SOL are the fuseless alternative for the protection of photovoltaic modules against short-circuit currents. With their variable tripping range, they can be optimally adj...

String circuit-breakers PKZ-SOL are the fuseless alternative for the protection of photovoltaic modules against short-circuit currents. With their variable tripping range, they can be optimally adj...

Selective main automatic circuit breaker for mounting direct on 4- or 5 pole 40 mm-busbar system 12 x 5 mm² and 12 x 10 mm², fixing: busbar (with quick adapter) - top-hat rail (with adapter), termi...

Selective main automatic circuit breaker for mounting direct on 4- or 5 pole 40 mm-busbar system 12 x 5 mm² and 12 x 10 mm², fixing: busbar (with quick adapter) - top-hat rail (with adapter), termi...

Selective main automatic circuit breaker for mounting direct on 4- or 5 pole 40 mm-busbar system 12 x 5 mm² and 12 x 10 mm², fixing: busbar (with quick adapter) - top-hat rail (with adapter), termi...

Selective main automatic circuit breaker for mounting direct on 4- or 5 pole 40 mm-busbar system 12 x 5 mm² and 12 x 10 mm², fixing: busbar (with quick adapter) - top-hat rail (with adapter), termi...

Series NZM..-M circuit-breakers cover all application cases with just four compact sizes and are suitable for the IEC market. Modular function groups always make mounting flexible. With thermomagne...

Miniature circuit breaker (MCB), FAZ-NA, 3-pole, tripping characteristic: C, rated current In: 40 A, Switchgear for export to North America (UL-listed)

PKZM0 motor protective circuit-breakers up to 32 A.

For use outdoors, IP 54. - The ideal circuit breaker to connect to frequently used electrical equipment. - Provides effective protection against electric shocks. Instantly disconnects the live lead...

S204M-C63 Miniature Circuit Breaker, C-Char, 10kA, 63A, 4P