Siemens Circuit Breaker 5ST3748-0CC

The Siemens product 5ST3748-0CC is not a circuit breaker itself, but rather an end cap accessory for 1-phase pin busbars, used with miniature circuit breakers (MCBs) and residual current protective devices (RCDs).

Specification: 

• Product Type Accessory: End cap for pin busbars.
• Color  : Black.
• Country of Origin : Germany.
• Weight : 0.010 kg (net weight according to SiePortal).

1-phase pin busbars for Siemens SENTRON protective devices (MCBs and RCDs)