How to lock out remotely controlled circuit breaker in OFF position?
How to lock out remotely controlled circuit breaker in OFF position?
(OP)
We received VFD with power entry cabinet that has ABB EMAX circuit breaker (5000A, 1000V). This is a fixed mounted MCB with motorized control and push buttons ON and OFF on the cabinet door. We feel that the MFG completely missed the OSHA requirement that the main disconnect device must have provisions to be locked out in OFF position. Is there any practical advice how to address this problem? Our supplier seems not to have any idea about that...






RE: How to lock out remotely controlled circuit breaker in OFF position?
-SB
RE: How to lock out remotely controlled circuit breaker in OFF position?
RE: How to lock out remotely controlled circuit breaker in OFF position?
You can't disconnect aux power to the CB and thus making it inpossible to operate?
-SB
RE: How to lock out remotely controlled circuit breaker in OFF position?
RE: How to lock out remotely controlled circuit breaker in OFF position?
RE: How to lock out remotely controlled circuit breaker in OFF position?
RE: How to lock out remotely controlled circuit breaker in OFF position?
A few years ago I went through the same process that you currently are. ABB's documentation isn't exactly helpful.
RE: How to lock out remotely controlled circuit breaker in OFF position?
RE: How to lock out remotely controlled circuit breaker in OFF position?