Knight are the market leading UK manufacturer of wired magnetic contacts and panic buttons. Panic buttons can easily be added to your wired alarm system using as little as 2 core cable. A panic button will activate your alarm system immediately once the button is pressed, warning off any unwanted intruders.
The PA2EWR is a double push panic button with internal tamper microswitch. The PA2EWR has built in EOL resistors and can work both normally open and normally closed.