Power Distribution Relay: Description and Operation

STANDARDIZED RELAY


Description


NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.






TYPE OF STANDARDIZED RELAYS

1M : 1 Make
2M : 2 Make
1T : 1 Transfer
1M-1B : 1 Make 1 Break