42+ Dpst Relay Pin Diagram Pics. Relays switches are used to open and close circuits electromechanically or electronically. The double pole single throw dpst relay is the equivalent of 2 spst switches (no normally open and nc normaly closed) and can be used to switch 2.
In the schematics above if we use a nc dpst relay the contacts will be closed without voltage being applied to the coil and opened when we apply. Double pole double throw relay real life component wiring diagram. The dpst switch, for example, has four terminals, but it is a dp, not a 4p switch.
Trigger current (nominal current) :
Trigger voltage (voltage across coil) : Choose a pin to save. How relay works & different types of relay. The following switch diagrams illustrate the most common types of toggle and rocker switches.
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