Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw.
Double pole door contact.
Pole refers to the number of circuits controlled by the switch.
What do spst spdt dpst and dpdt mean.
The contacts are designed specifically for use in the steel doors commonly found in commercial building applica tions.
The 1078 1076 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications.
Sp switches control only one electrical circuit.
Recessed steel door contact w wire leads 1 diameter high security spdt biased for higher security 1 2 gap single pole double throw white 1078 1076 series 1076w m.
Diameter 1 2 in or 1 in.
Ge 1076cw n recessed steel door contact w wire leads 3 4 inch diameter wide gap spdt white 3 4 inch gap size.
Gap size closed loop spdt dpdt varies with model.
The unique housing design features a rugged unibody construction with flexible ribbed sides for quick installs.
Menu double door contacts admin 2020 07 30t08 51 27 00 00 double door contacts in some circumstances on security installations there may be a requirement to connect two or more doors using fully supervised wiring.
The 1078 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications.
Recessed steel door magnetic contact with wire leads 1 in.