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PG COMPONENT PARTS PG-11 < SYSTEM DESCRIPTION > C D E F G H I J K L B A O P N Relays can mainly be divided into three types: normal open, normal closed and mixed type relays. TYPE OF STANDARDIZED RELAYS SEL881H 1M ···················· 1 Make 2M ···················· 2 Make 1T ···················· 1 Transfer 1M·1B ···················· 1 Make 1 Break SEL882H |