Protect your team and ensure safe, controlled maintenance with the Master Lock No. 493B Grip Tight Circuit Breaker Lockout. Engineered for quick, reliable lockout of common 120/240-volt breakers, it keeps circuits de-energized while work is performed, giving you peace of mind and a safer work environment.
Key features that make lockout fast and dependable
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Universal fit: Designed to accommodate standard height and tie-bar toggles typically found on 120 and 240-volt breakers, making it a versatile choice for common electrical panels.
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Grip Tight design: A thumb-turn operation delivers secure engagement with minimal effort, ensuring the breaker stays locked out during repairs or maintenance.
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Clamping handle: Provides a reliable, secure grip on the toggle, reducing the risk of slippage and accidental re-energizing.
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Versatile locking options: Accepts all American Lock and Master Lock safety padlocks and works with most lockout hasps for a complete lockout solution.
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Durable construction: Built to withstand harsh environments, delivering long-lasting performance in demanding industrial settings.
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Portable and compact: Lightweight and easy to carry or store, making it ideal for professionals who travel between sites.
Benefits you can rely on
- Enhanced safety by preventing unauthorized access and accidental circuit restoration.
- Peace of mind knowing your work area remains secure while tasks are completed.
- Increased efficiency with quick, simple application that keeps your focus on the job at hand.
Common use scenarios
- Electrical maintenance and repair work in commercial, industrial, and service environments.
- Safety protocol implementation in facilities where circuit breakers are accessed regularly.
Choose the Master Lock Grip Tight Circuit Breaker Lockout to reinforce safe work practices and protect your team—because safety is a decisive, day-to-day commitment.