Oversized breaker 480/600 VAC frame lockout fits switches up to 2-1/4 in W and 7/8 in THK and applies in seconds with thumbscrew mechanism, no screwdriver neededOversized clamp-on breaker lockouts are made of durable polypropylene and glass filled impact modified nylonThis lockout device isolates and secures circuit breaker switches to protect employees against electrical accidents during equipment maintenanceEquipping your employees with the proper lockout tools and warning devices can save lives, reduce lost employee time and cut insurance costsBrady® is a world leader in lockout tagout products and services offering industry expertise and a broad range of durable, easy to use lockout devicesFor use on breakers that do not have a hole in the switch tongue, including multipole breakers with tie barsTurn thumbscrew to clamp lockout securely onto switch, then snap the cover closed to prevent thumbwheel from being loosened