G3 Double Reed Aluminium Angle Contact with Magnetic Interference Detection and Selectable Resistors With Armoured Sleeving.

This is compatible with all mainstream UK control panels and includes both eol and alarm by-pass resistor options.
It has a microswitch tamper.

Colour: Silver

Environmental Class 3

Operation Gap : 30mm Approx

Dimensions: 80mm x 25mm x 27mm

Terminals : 8-Wire

Tamper - Sealed unit.

Includes Resistors compatible with - Honeywell, Ademco, Scantronic, Menvier, texecom, Pyronix, Castle, Aritech, Gardtec and Guardall Control Panels.

Alarm Values 1k, 4k7,6k8,8k2

EOL Values 1kr,2k2,4k7,,8k2

Just select the wires as per the instructions to determine the resistance to suit your panel.
Note this contact already meets the requirements of BS EN50131-2-6: 2004