QO and Square D, QOU1PL, is an accessory part for QOO Low Ampere Circuit breakers. Performed as Padlock attachmet in on or off position For padlocking 2P and 3P low ampere QOU circuit breaker in OFF...
QO and Square D, QOU2DTILA, is an accessory part for QOO Low Ampere Circuit breakers. Performed as mechanical interlock attachment can be used to interlock two circuit breakers mounted side-by-side...