Spdt Door Contact

What do spst spdt dpst and dpdt mean.

Spdt door contact. One can be normally closed and the other one is opened or it can be normally open and the other one closed. The 1078 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications. It has one common terminal and 2 contacts in 2 different configurations. Gap size closed loop spdt dpdt varies with model.

Pole refers to the number of circuits controlled by the switch. 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. The unique housing design features a rugged unibody construction with flexible ribbed. So basically you can see the spdt relay as a way of switching between 2 circuits.

Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. Page 1 of 1 start over page 1 of 1. This shopping feature will continue to load items when the enter key is pressed. Customers who viewed this item also viewed.

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. When there is. Sp switches control only one electrical circuit.

Diameter 1 2 in or 1 in. The single pole double throw spdt relay is quite useful in certain applications because of its internal configuration. The unique housing design features a rugged unibody construction with flexible ribbed sides for quick installs.