V Normally Closed Relay Wiring Diagram

V Normally Closed Relay Wiring Diagram. When the relay coil is energized, the contacts change state. To show you how to wire the relay, let's build a temperature controlled relay circuit that will turn off a light bulb when the temperature of a thermistor.

Mini Relay 24 Volt 20/15 Amp Change Over N/Closed 5 Pin ... (Bettie Bates)

Also make sure you have tighten all screws of the relay module. The NC Normally-Closed SPST (Single Polse Single Throw) relay has an initial closed circuit state when Normally-Closed Single Pole Single Throw SPST relay. Wiring Diagrams - Dual Relay (Bottom Views).

Coil: Wire is wound around a metal core.

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NC (Normally Closed): A normally closed configuration is used when you want to turn off the relay by default. When the relay coil is energized, the contacts change state. The challenge with this product is the absence of any real wiring diagram.