It has one common terminal and 2 contacts in 2 different configurations.
Spdt door contact.
So basically you can see the spdt relay as a way of switching between 2 circuits.
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Sp switches control only one electrical circuit.
1076 n 1 spdt steel door contact white new 2 from 60 37 free shipping.
The contacts are designed specifically for use in the steel doors commonly found in commercial building applica tions.
Dp switches control two independent circuits and act like two identical switches that are mechanically linked.
Dps 11 2 sdc door status switch electromechanical ball dpdt 5 amp mc 4m sdc door status switch magnetic contact vandal resistant mortise face plate spdt 50 ma mc 7 sdc door status switch magnetic contact biased high security press fit spdt 50 ma 1 dia.
Recessed steel door magnetic contact with wire leads 1 in.
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One can be normally closed and the other one is opened or it can be normally open and the other one closed.
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When there is.
The unique housing design features a rugged unibody construction with flexible ribbed sides for quick installs.
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Diameter 1 2 in or 1 in.
Gap size closed loop spdt dpdt varies with model.
The 1078 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications.
What do spst spdt dpst and dpdt mean.
Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw.