Relay protection tripped erroneously

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With the factory default settings the protection relay is configured with an undervoltage protection. They are not only key control components in the safety loop, but are also responsible for quickly cutting off the circuit when potential danger is detected to ensure the safety of equipment operators. Temperature variation significantly affects relay performance and can contribute to random tripping through several mechanisms: 1. I, personally, have tripped one by keying a 5 watt transmitter near one, as well as banging on the door where the relays were mounted.

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