Circuit Breaker Lockout – Master Lock® #491B, Large

Manufacturer #: 491B SKU: 46242 contact us for a quote

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  • Fits Tall and Wide Toggles

* All images displayed are for illustrative purposes only and may not be an exact representation of the product

The Master Lock No. 491B Grip Tight™ Circuit Breaker Lockout Device fits wide or tall breaker toggles typically found on hi-voltage/hi-amperage breakers.

The innovative patented Grip Tight™ design effectively locks out circuit breakers with a simple thumb turn and then close clamping handle for a tight grip on the toggle.

Device accepts all American Lock® and Master Lock® safety padlocks and most lockout hasps for full lockout.

Durable construction stands up in harsh environments and compact design is easy to carry and store.