CyberPower SMUCB100UAC 100 A Modular Circuit Breaker | 3-Phase UPS

Keep critical UPS power paths protected with a 100 A modular circuit breaker designed for 3-phase environments. The CyberPower SMUCB100UAC is built for UPS applications where controlled circuit isolation and serviceability matter more than generic power protection. Its modular form factor supports cleaner integration into compatible CyberPower systems, helping infrastructure teams maintain organized, maintainable power architecture. This breaker is a strong fit for teams that need a purpose-built component rather than an off-the-shelf substitute. The 3-pole design aligns with 3-phase UPS deployments, where balanced protection and predictable electrical behavior are essential. With a 100 A current rating, it supports higher-capacity power paths while preserving the discipline required in enterprise electrical layouts. RoHS compliance and a 1-year limited warranty add confidence for procurement and operations teams that need documented product support and environmental alignment. For environments where uptime, service access, and electrical control are part of the design standard, this breaker delivers the right level of specificity.