Alarm Engine 16 Zone Input Expander


Adds 16 hardwired zones (EOL resistor supervised) to the E27 Alarm Engine. Operates from 4-wire data bus. Up to 7 of these can be used, increasing total zones (inputs) to 128.  Also provides 1 Form “C” relay output.  Features DC power & battery connectors, allowing easy connection of remote power source/backup battery.


Product Details

  • 16 EOL Resistor Supervised Hardwire Zones
  • DIP switch selectable EOL resistance values (1.0K, 2.2K, or 3.3K)
  • 1 Form "C" Relay Output
  • DC power & battery connections
  • Operates on the 4-Wire Data Bus
  • Plug-In Terminal Strips
  • Status and Diagnostic LED
  • On-Board EOL Bus Termination Jumper
  • Vertical Mounting using ELK-SWG Glides(included)
  • Inputs: Plug-In Terminals with Elevator Style Wire Clamps and Screws
  • Relay Contact Rating: 4 Amps @12VDC
  • Operating Power Range: 12 VDC
  • Current Draw: 85 mA Nom, 120mA Max
  • Size: 6" x 3.25" x 1" H


  • 16 Zone Input Expander
  • ELK-SWG Circuit Board Mounting Glides 2/pack
  • 18 2200 Ohm Resistors
  • Instructions

Locate an ELK Authorized Distributor Near You!

For more infomation, call ELK at (800) 797-9355.

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