About this 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.
Specifications
- Lockout Type: Clamp-On
- For Use With: Tall Breaker Toggle
- Circuit Breaker Voltage: 120/277
- Padlock Shackle Max. Dia.: 9/32"
- Color: Red
- Height: 1-1/4"
- Width: 1-1/4""
- Length: 3-1/2"
- Material: Steel
- Max. Number of Padlocks: 1
- Standards: OSHA 1910.147
- OSHA Compliant: Yes