3WL1108-2CB42-1AA2 SIEMENS

The 3WL1108-2CB42-1AA2 is a robust, fixed-mounted circuit breaker from Siemens, designed for reliable circuit protection in industrial applications. This 4-pole breaker, conforming to IEC standards, has a rated current (In) of 800A and is suitable for systems up to 690V AC at 50/60Hz. It boasts a high ultimate short-circuit breaking capacity (Icu) of 55kA at 500V, ensuring effective protection against overcurrents. The rear connection horizontal configuration simplifies installation within electrical panels. Equipped with an ETU 25 overcurrent release, it offers adjustable LSI (Long-Short-Instantaneous) protection with settings ranging from 0.4 to 1 times the rated current. The manual operating mechanism includes a storage feature for efficient energy management. This model is equipped with a mechanical request function, enhancing operational control. It does not include 1st or 2nd auxiliary releases, but features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for signaling and control purposes. This circuit breaker provides comprehensive protection and control features for demanding electrical systems.