Circuit Breaker Lockout
Fits wide or tall circuit breaker toggles
Master Lock Part# 491B. This circuit breaker lockout is designed to fit wide or tall circuit breaker toggles that are typically found on high voltage/high amperage breakers. It is constructed of powder coated steel and reinforced polymer for use in harsh environments. The innovative Grip Tight™ design locks out circuit breakers by preventing users from moving the breaker. Simply place the opening around the breaker toggle, use the thumb turn to tighten the grip around the toggle, and then close the clamping handle for a tight grip on the breaker. The 9/32" padlock opening accepts all American Lock and Master Lock padlock shackles and lockout hasp diameters.