3WL1112-3CB38-4GG4-Z C22+K07

The 3WL1112-3CB38-4GG4-Z C22+K07 Siemens is a robust and reliable 3-pole withdrawable circuit breaker designed for comprehensive circuit protection and control. Compliant with IEC standards, this size I circuit breaker is engineered to handle a rated current (In) of 1250A at up to 690V AC, operating at 50/60Hz. It boasts a high ultimate breaking capacity (Icu) of 66kA at 500V, ensuring effective protection against overcurrents and short circuits. The device features an ETU 25 overcurrent release with adjustable LSI (Long-time, Short-time, Instantaneous) protection settings ranging from 0.4 to 1 times the rated current. Equipped with a motorized/manual operating mechanism, it includes a spring charging motor compatible with AC 50/60 Hz 208-240 V or 220-250 V DC power supplies. The activation circuit operates on AC 50/60 Hz 230 V or 220 V DC. This model incorporates a first 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, alongside a second auxiliary release "F", F2 shunt release also rated for 230 V AC/220 V DC with a 100% on-load factor. It includes 4 normally open (NO) and 4 normally closed (NC) auxiliary contacts. The C22 designation indicates a ready indicator, while K07 signifies a tripped signaling contact, noting that a 1 CO contact is not possible with option F02.