Both components require drilling a 3 4 19mm diameter hole in the door and frame directly opposite one another.
Dpdt surface door contact.
Sm 4201 lq track mount overhead door magnetic contact switch.
Dp switches control two independent circuits and act like two identical switches that are mechanically linked.
The distance depends on the door type and gap between the door and frame but is in the 1 2 3 4 12 18mm range.
Surface mount magnetic contacts.
2 1 2 surface mount contact series.
Overhead door floor mounted with armored cord.
Aluminum wood and hollow metal door or frame.
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.
Hollow metal door and frame.
Recessed steel door contact w wire leads 1 diameter high security spdt biased for higher security 1 2 gap single pole double throw white.
The dps w style is a normally closed switch spst.
110 12 110 t 100 12 100 t series go.
Dps w concealed door position switch for wood doors.
Miniature surface mount switch set.
The 1084d n surface mount contact also features a 30 vac dc maximum voltage a dpdt electrical configuration as well as a 1 22 lead wire.
Useful for industrial situations where a wide gap surface mount contact is needed rugged alumi.
Pole refers to the number of circuits controlled by the switch.
Capped miniature surface mount switch set.
Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw.
This high grade security surface mount contact incorporates a design that is suitable for installing where there are loose fitting doors that may otherwise trigger a false alarm with other surface mount.
Wood door and frame.
Wood door with metal frame.
Sp switches control only one electrical circuit.
Recessed steel door contact w wire leads 1 diameter dpdt 1 2 gap size double pole double throw white.
Micro surface mount switch set.
Aluminum wood and hollow metal door or frame.
Used for overhead doors in both industrial and residential situations where a wide gap is present.
Magnetic contact surface mount dpdt 30 vac dc 0 25a 3 watt 3 length x 0 5 depth x 1 height 1 1 2 width gap armored cable contact aluminum.
1 4 miniature surface mount switch set.
2 1 2 surface mount magnetic contact series 1000 24w 1000 22w 1000 34w.