3WL1110-3CB45-4GA2 SIEMENS

The 3WL1110-3CB45-4GA2 Siemens is a robust and reliable 4-pole withdrawable circuit breaker designed for comprehensive circuit protection. Compliant with IEC standards, this size I breaker is engineered to handle a rated current (In) of 1000A at up to 690V AC, operating at 50/60Hz. It boasts a high ultimate short-circuit breaking capacity (Icu) of 66kA at 500V, ensuring effective protection against overcurrents. The rear connection is horizontal, facilitating convenient installation within electrical panels. Equipped with an ETU 25 overcurrent release, it offers adjustable LSI (Long-Short-Instantaneous) protection settings, ranging from 0.4 to 1 times the rated current. The breaker features a motorized/manual operating mechanism, incorporating a spring charging motor compatible with AC 50/60 Hz 208-240 V or 220-250 V DC. Activation is supported by AC 50/60 Hz 230 V and 220 V DC. It includes a 1st auxiliary release with a shunt release "F", F1 rated for 50/60 Hz 230 V AC/220 V DC with a 100% on-load factor. The breaker is configured with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, enhancing its monitoring and control capabilities; however, it does not include a 2nd auxiliary release.