3WL1112-2CB32-1AA2 SIEMENS

The 3WL1112-2CB32-1AA2 is a robust, fixed-mounted circuit breaker from Siemens, designed for reliable protection in electrical distribution systems. This 3-pole circuit breaker, conforming to IEC standards, is part of the size I series. It boasts a rated current (In) of 1250A, suitable for systems up to 690V AC at 50/60Hz. The circuit breaker offers a high ultimate short-circuit breaking capacity (Icu) of 55kA at 500V, ensuring effective fault interruption. It features a rear connection, oriented horizontally for convenient installation. Equipped with an ETU 25 overcurrent release, it provides LSI (Long-time, Short-time, Instantaneous) protection, adjustable from 0.4 to 1 times the rated current. The manual operating mechanism includes a storage feature and a mechanical request function. This model does not include a 1st or 2nd auxiliary release. It incorporates 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for signaling and control purposes.