Interlogix 1125T-N Magnetic Contacts Overview

Hardwired magnetic contact or reed switch — wired door/window loop for VISTA, Challenger DGP, Reliance, or commercial panel inputs (1035/1045/2200/2500 series, Sentrol reeds). On Interlogix systems, wireless devices...

Overview

Hardwired magnetic contact or reed switch — wired door/window loop for VISTA, Challenger DGP, Reliance, or commercial panel inputs (1035/1045/2200/2500 series, Sentrol reeds).

On Interlogix systems, wireless devices are supervised zones on the panel — tamper, low battery, and missing signals appear as trouble conditions that may block arming depending on panel programming.

At a Glance

SpecificationDetails
DetectionOpen/close magnetic circuit
WiringNormally closed loop with EOL supervision
InstallSurface, recessed, or industrial wide-gap models
UseHardwired panel zones — not TX-E wireless

What This Device Does Well

Provides reliable supervised status at the panel and Alarm.com / UltraSync when installed, enrolled, and range-tested correctly.

Before You Service or Replace One

  • Sensor SKUTX-E wireless vs hardwired loop vs 433 MHz expander path.
  • Panel online — resolve panel AC/comms trouble before blaming sensor.
  • Range433 MHz expander or move wireless receiver for distant zones.
  • Battery type — use listed cell; replace all batteries in multi-cell devices.
  • Tamper — cover fully closed before declaring hardware fault.

Official Sources

Use official Aritech install PDFs and install guides for exact wiring, enrollment, and firmware — specifications vary by SKU and region.

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