Standardized Relays - Description
EL-3prose procedureDescription
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
NOTE
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.
TYPE OF STANDARDIZED RELAYS
Relay type codes
1M
Meaning1 Make
2M
Meaning2 Make
1T
Meaning1 Transfer
1M·1B
Meaning1 Make 1 Break