Device protection

Device circuit breakers

Selective power distribution

Reliable protection with device circuit breakers against damaging overload and short-circuit currents.

Selective device protection with an adjusted tripping characteristic provides maximum security for every load. As such, only those areas are protected which are actually affected by overload or short circuit current. In the following pages, find out how protective devices work and which applications the various versions are suitable for.

PHOENIX CONTACT Ltd

8240 Parkhill Drive
Milton, Ontario L9T 5V7
1-800-890-2820

Service

CBM – multi-channel device circuit breakers

Startup and signaling


Current limitation – what is it?

Behaviors of circuit breakers with or without active current limitation

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