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Lock Out Relay

What is a Lock Out Relay / Master Trip Relay?

May 12, 2018 by admin

What is a Lock Out Relay? Lock out relay is an electromechanical relay which latches its output contact. As the name suggests, this relay once operated locks out the circuit. Locking out means that circuit cannot be normalized until and unless this relay is reset. These relay have two types of coils: operating and resetting … Read more

Categories Power System Protection Tags Lock Out Relay, Master Trip Relay 3 Comments

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