3WL1108-3CB45-4GA2 SIEMENS

The 3WL1108-3CB45-4GA2 is a Siemens withdrawable circuit breaker, designed for robust performance and reliable protection in electrical systems. This 4-pole circuit breaker, conforming to IEC standards, is a size I device suitable for applications up to 690V AC at 50/60Hz. It boasts a high breaking capacity, with an Icu of 66kA at 500V, ensuring effective fault current interruption. The rear connection is horizontally oriented for convenient installation and integration into existing setups. Equipped with an ETU 25 LSI overcurrent release, it offers adjustable protection settings from 0.4 to 1 times the rated current (In). The circuit 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 via AC 50/60 Hz 230 V or 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. Note that this model does not include a 2nd auxiliary release or a guide frame.