Master Lock 491B Grip Tight Circuit Breaker Lockout

Product Description

The Master Lock 491B Grip Tight Circuit Breaker Lockout is designed to fit 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 a close clamping handle for a tight grip on the toggle.

• Innovative patented Grip Tight design
• Durable construction for harsh environments
• Compact and easy to carry

Product Highlights

The lockout device is durable and can function well in harsh environments due to its powder-coated steel and reinforced polymer construction. It accepts all American Lock and Master Lock safety padlock shackles and lockout hasp diameters. Its compact design makes it easy to carry and store.

Product Information

Standard Information

• Brand: Master Lock
• MPN: 491B
• Product Type: Circuit Breaker Lockout

Technical Specifications

• Height: 1-1/4 inches
• Width: 3-1/2 inches
• Depth: 3-1/2 inches
• Material: Reinforced Polymer/Steel
• Suitable For Use With: All Master Lock, American Lock Safety Padlock Shackles, and Lockout Hasp
• Maximum Number of Padlocks: 1
• Padlock Shackle Maximum Diameter: 9/32 inches
• Color: Red
• Series: Grip Tight
• Certifications: OSHA 29 CFR 1910.147, ANSI/ASSE Z244.1