BRADY Circuit Breaker Lockout: Clamp-On, For 120/277V AC Volt
The BRADY Clamp-On Circuit Breaker Lockout (MPN 66321) is designed for 120/277V AC multipole circuit breakers, specifically for use with three-pole breakers with a tie-bar. It does not include a cable tie slot. 3G…
SKU 3G-OTH-556467
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Product Description
The BRADY Clamp-On Circuit Breaker Lockout (MPN 66321) is designed for 120/277V AC multipole circuit breakers, specifically for use with three-pole breakers with a tie-bar. It does not include a cable tie slot. 3G Electric interprets your demand, sources this genuine BRADY lockout, and provides a quote with expert support across 14 industrial departments — with specialist depth in combustion, pumps, and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the BRADY Circuit Breaker Lockout 66321 used for?
The BRADY 66321 clamp-on lockout secures three-pole circuit breakers with a tie-bar during maintenance. It prevents accidental re-energization on 120/277V AC systems, supporting lockout/tagout safety procedures in industrial facilities. 3G Electric supplies this genuine BRADY lockout and provides expert support across 14 industrial departments.
What are the specifications of the BRADY 66321 lockout?
The BRADY 66321 is a clamp-on circuit breaker lockout rated for 120/277V AC voltage. It is designed for multipole breakers, specifically three-pole breakers with a tie-bar. The manufacturer part number is 66321, and it does not include a cable tie slot. 3G Electric sources this genuine BRADY lockout for worldwide delivery.
Where to buy the BRADY 66321 lockout worldwide?
3G Electric supplies the genuine BRADY 66321 clamp-on circuit breaker lockout to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we interpret your demand, source the correct part, and provide a competitive quote with expert support.
How to install the BRADY 66321 clamp-on lockout?
To install the BRADY 66321, clamp the lockout onto the three-pole breaker's tie-bar, ensuring it fully engages the switch handle. Apply a padlock through the lockout holes to secure the breaker in the OFF position. Always follow your facility's lockout/tagout procedures. 3G Electric can provide application guidance for this BRADY lockout.
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3G Electric supplies BRADY clamp-on circuit breaker lockouts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









