How to install a pin-in standard, pin-out standard, or pin-out wide miniature circuit breaker (MCB)?

First, locate the hole at the center of the circuit breaker casing. Next, take either a pin-in standard, pin-out standard, or pin-out wide circuit breaker lockout that appropriately fits your circuit breaker. Make sure to keep the circuit breaker in the OFF position. Then, push the circuit breaker lockout device button to loosen the pins. Align the pins to the holes and then release the button to lock it in place. Lastly, place a lockout padlock to the hole to complete the process.

The material provided in this article is for general information purposes only. It is not intended to replace professional/legal advice or substitute government regulations, industry standards, or other requirements specific to any business/activity. While we made sure to provide accurate and reliable information, we make no representation that the details or sources are up-to-date, complete or remain available. Readers should consult with an industrial safety expert, qualified professional, or attorney for any specific concerns and questions.


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