3WL9111-0BB24-0AA0 SIEMENS

The 3WL9111-0BB24-0AA0 is a mutual mechanical interlock designed as an accessory for Siemens 3WL series circuit breakers. This interlock system ensures operational safety by preventing simultaneous closure of multiple circuit breakers. It is specifically intended for withdrawable circuit breakers that are equipped with a guide frame. The interlock mechanism includes a control pull with a length of 2 meters, providing flexibility in installation and operation. This accessory enhances the reliability and safety of electrical distribution systems by enforcing a sequential operation of circuit breakers. It is crucial for applications where preventing parallel operation of power sources is essential. The mechanical interlock offers a robust and dependable solution for interlocking circuit breakers. Its design ensures a positive mechanical linkage, minimizing the risk of unintended operation. The 2-meter control pull allows for convenient remote operation of the interlock.