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The ETNHLK4 – EATON “LD” Breaker Lock is designed to enhance safety by securely locking your circuit breakers in the OFF position, preventing accidental activation. This durable, easy-to-install device is compatible with Eaton LD breakers, ensuring effective usage in residential and commercial settings. Protect your electrical systems with reliable security.
The ETNHLK4 is a lockout device that secures Eaton LD-frame circuit breakers in the OFF position. It is used during lockout/tagout (LOTO) procedures to prevent breakers from being accidentally or intentionally re-energized while maintenance or electrical work is being performed — a requirement under Canadian workplace safety regulations.
The ETNHLK4 is specifically designed for Eaton LD-frame breakers and may not be compatible with other Eaton frames such as the BR, CH, or HID series. Using the correct lock for the correct frame is important for a secure fit. If you're unsure which lock applies to your breaker, contact our team with your breaker model and we'll point you in the right direction.
Yes — Eaton breaker locks like the ETNHLK4 are designed to accept a standard padlock hasp, allowing you to secure the breaker with your own padlock as part of a full lockout/tagout procedure. Check your facility's LOTO program for the required padlock shackle diameter to ensure compatibility.
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