Product Description
The MASTERLOCK Grip Tight Circuit Breaker Lockout 493B is a specialized device designed for locking out standard single and double pole circuit breaker switches. It offers a reliable solution for preventing unauthorized operation of circuit breakers during maintenance, repair, or other work scenarios, ensuring workplace safety with its durable and versatile design.
Usage Instructions
- Identify the circuit breaker switch to be locked out.
- Manually adjust the lockout device to fit the circuit breaker switch.
- Clamp the device tightly onto the switch to secure it.
- Insert a MasterLock safety padlock or hasp through the lock hole to complete the lockout. For multi-person lockout, use a hasp to allow multiple padlocks.
Product Characteristics
The lockout device features a simple and reliable manual adjustment and clamping mechanism, ensuring secure locking on standard single and double pole circuit breaker switches. Its narrow design enables side-by-side and tight stacking, making it space-efficient for storage and use. Constructed from powder-coated steel and reinforced polymer, it is durable enough for harsh environments. It is compatible with all MasterLock safety padlocks and hasps, facilitating both single and multi-person lockout procedures. The lightweight and portable design makes it easy to carry and store, ideal for various work environments.
Application Scenarios
- Electrical Maintenance: For locking out circuit breakers during electrical system maintenance or repair in areas requiring access control.
- Industrial and Commercial Facilities: In settings where circuit breaker lockout is necessary to ensure worker safety and prevent unauthorized equipment operation.
- Any Circuit Breaker Lockout Need: Wherever there is a requirement to lock out standard single and double pole circuit breaker switches for safety and access control purposes.







