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What is Overcurrent Protection Relay Overview about?
An over current relay protects electrical equipment from excessive current that can cause overheating and damage. It operates when current passing through a current transformer exceeds the preset value, triggering the circuit breaker to isolate the faulty section. There are three types of over current relays - instantaneous operates immediately when current exceeds the pickup value, definite time operates after a set delay, and inverse time operates more quickly the higher the current. Over current relays a
- Author
- rare machine
- Language
- EN