Rare card
Protective relay
- Value
- 50 W
- Attack
- 202
- Defence
- 161
- Players
- 0
0 copies in circulation
In electrical engineering, a protective relay is a relay device designed to trip a circuit breaker when a fault is detected. The first protective relays were electromagnetic devices, relying on coils operating on moving parts to provide detection of abnormal operating conditions such as…
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