ABB Tmax Key Lock for Front Fixed Part T4-T5-T6

The ABB Tmax Key Lock for Front Fixed Part is a component designed for use with Tmax series molded case circuit breakers (MCCBs) in the T4-T5-T6 range. It is used to secure the front fixed part of the MCCB, preventing unauthorized access and tampering with the circuit breaker settings. The key lock provides added security by requiring a key to unlock the front fixed part, ensuring that only authorized personnel can access the internals of the MCCB for maintenance or adjustments. This feature enhances safety and helps prevent accidental or unauthorized operation of the circuit breaker, contributing to the overall reliability and integrity of the electrical system.