4 Screw Single Reed Flush Contact +Tamper

Grade: 2
Model: A45

A 4 screw flush contact designed to meet the requirements of Security Grade 2.

A microswitch provides detection of removal from the fitting recess.

A45 is easy to wire – nickel screws for the alarm reed and brass terminals for the tamper switch. Close proximity of the screws makes adding resistors a simple job for where an EOL loop is necessary. We can also supply this contact with specific resistors already wired in (see related products).

Along with fitting screws, A45 is also supplied with a contact sheath – useful for installations where the fitting recesses have drilled a little wider than 20mm or are otherwise awkward.

Environmental Class

II – Indoor uncontrolled


4 screw



Make Distance


Barrel Dimensions

CONTACT: 19mm diameter, 16.5mm deep (21mm diameter, 22.5mm deep with sheath)

MAGNET: 20mm diameter, 13mm deep

Plate Dimensions

CONTACT: 22mm x 36mm x 2.5mm MAGNET: 22mm x 36mm x 2.2mm

Please click on the links below to download the relevant document for this product
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