Large Snap-On Circuit Breaker Lockout Place the device over the circuit breaker lever toggle, then tighten the thumbscrew. The blade-type design requires less clamping force but makes engagement tighter. The removable clamping plate (included) further expands the scope of the application Can be used with a safety padlock with a shackle dia up to 7mm Suitable for various single-pole and multi-pole circuit breakers with a built-in tripping device
