Normally Closed ( N/C ) Alarm System Tamper Switch

Alarm Accessories for Home Security!

SKU: SR2423

RRP $13.95
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Normally Closed ( N/C ) Alarm System Tamper Switch

Alarm Accessories for Home Security! 

Normally Closed (NC) switch designed for normally closed (NC) circuit application.

Avoid an intruder tampering with your alarm/security systems with this switch.

Many types of security equipment can be easily compromised by an intruder who gains access to offices or homes, night or day. In homes they would also be ideal for sheds and electrical boxes.

In some larger facilities, such as warehouse clubs or museums, it's possible for a member of the public to go to a remote part of the facility and tamper with some portion of the security system without being noticed.

The intent usually is to disable the security system so that the criminal can come back later and commit a burglary or other crime.

This can be prevented with an easy to hide switch.


  • Used in alarm systems with normally closed (NC) circuits
  • Silver-plated contact ensures reliability and long term operation
  • Small size makes it easy to hide and install


  • Plunger Pushed In: Contact closed
  • Plunger Released: Contact open
  • Contact Rating: 0.5A at 50 VDC
  • Material: High-impact Plastic Resin
  • Dimensions: 70 x 28 x 16 mm
  • Weight: 18 g
SKU SR2423
Barcode # 9321758224311
Shipping Weight 0.0500kg
Shipping Width 0.100m
Shipping Height 0.030m
Shipping Length 0.050m
Shipping Cubic 0.000150000m3
Unit Of Measure ea

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