The device sounds like an isolator, not a breaker. It will break on full current, but not pleasantly. It prefers to be operated at no load, to isolate the downstream devices which are already turned off.
Regards,
TB
The device sounds like an isolator, not a breaker. It will break on full current, but not pleasantly. It prefers to be operated at no load, to isolate the downstream devices which are already turned off.
Regards,
TB