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Hello everyone,
here I have some problem with schematics (schematic attached). The SK_2 is circuit for disconecting main lines and UPS. So, I guess that S2 is a muschroom on switchboard's door, which will disconnect the Q1 circuit breaker. But, what should be K1 (24VDC). Is this relay used for UPS disconnection? How is this connected?
here I have some problem with schematics (schematic attached). The SK_2 is circuit for disconecting main lines and UPS. So, I guess that S2 is a muschroom on switchboard's door, which will disconnect the Q1 circuit breaker. But, what should be K1 (24VDC). Is this relay used for UPS disconnection? How is this connected?