3WL1225-2CB34-1AJ2-Z S33 SIEMENS

The 3WL1225-2CB34-1AJ2-Z S33 Siemens is a robust, fixed-mounted circuit breaker designed for reliable overcurrent protection in industrial and commercial power distribution systems. This 3-pole circuit breaker, conforming to IEC standards, has a rated current (In) of 2500A and is suitable for applications up to 690V AC at 50/60Hz. It boasts a high ultimate short-circuit breaking capacity (Icu) of 66kA at 500V, ensuring effective fault clearing. The breaker features front connection terminals with a dual-hole design for secure and efficient cable termination, top and bottom. Equipped with an ETU 25 overcurrent release, it provides adjustable LSI (Long-time, Short-time, Instantaneous) protection with settings ranging from 0.4 to 1 times the rated current (In). A manual operating mechanism with energy storage enables reliable switching, while a mechanical trip indication provides clear status information. This model includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for remote signaling and control. Note that this specific configuration does not include a first or second auxiliary release. The 'Z S33' designation indicates specific customer-related configurations or modifications.