Relay normally open spst switch pole single connect throw electroschematics Normally closed open relay contactor diagram wiring Normally spst electroschematics
NC SPST (Normally Closed Relay) | ElectroSchematics.com
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Relay normally spst coil pole electroschematics
Normally open normally closed contactorRelay normally closed diagram pcb circuit open solid state schematic using contact mounted transistors Nc spst (normally closed relay).
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