door switch normally open

• Screw Mount Wired Metal Rolling Gate Door Magnet Contact Switch Alarm

  

  Go to see$7.50

• Leviton 1865 3 Amp, 125 Volt, Single-Pole, Doorjamb with Jamb Box Switch, Single Circuit Momentary, Normally ON, Commercial Grade, Brass

  

  Go to see$29.00

• SPST PUSH BUTTON SWITCH "BLACK" MOMENTARY-OFF NORMALLY CLOSED

  

  Go to see$1.75

• Tork TA44 Normally Closed Push To Open Switch, 12-24VAC/DC, 2 Amps Current

  

  Go to see$9.00

• SECO-LARM Enforcer SS-078Q Latching Hold-up Button, Normally Open

  

  Go to see$6.84

• United Security Products 135-SP 1 Inch Wide Gap Normally Open Magnetic Contact with Center Leads

  

  Go to see$6.60