Kidde · Fire Alarm

Edwards EST4 4-COMREL Common Relay Module, Form C Alarm, Supervisory and Trouble

Part number / SKU
4-COMREL
  • Common relay module

$70.99

In stock

Warranty
Manufacturer warranty

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Overview

What it is and who it is for

The Edwards 4-COMREL is the common relay module for the EST4 4-CPU central processor. It installs in the optional space provided on the 4-CPU and adds Form C alarm, supervisory and trouble contacts for connection to other building systems or monitoring equipment.

The relays are rated 30 VDC at 1 A, and the removable field wiring terminal blocks accept 18 to 12 AWG wire. The module weighs 0.25 lb (0.11 kg). Full technical details are in the 4-COMREL installation sheet, P/N 3102284-EN.

  • Best for: EST4 panels that need common alarm, supervisory and trouble relay outputs from the 4-CPU.
  • System fit: Edwards EST4 4-CPU central processor module (optional common relay space).
  • Important to know: installation and programming must be done by a qualified fire alarm technician in line with local code and the EST4 documentation.

Why teams choose it

Built for fire alarm systems

  • Three common outputs

    Form C contacts for alarm, supervisory and trouble.

  • Relay rating

    contacts rated 30 VDC at 1 A.

  • Field wiring

    removable terminal blocks accept 18 to 12 AWG wire.

  • Plugs into the CPU

    installs in the dedicated common relay space on the 4-CPU.

Specifications

Technical specifications

General
Brand Edwards
Series EST4
Model 4-COMREL
Device Type Common relay module
Outputs Form C alarm, supervisory and trouble contacts
Host Module 4-CPU, optional common relay space (board mounts to the 4-CPU)
Terminals Removable field wiring terminal blocks
Installation Sheet P/N 3102284-EN
Electrical
Contact Rating 30 VDC at 1 A
Wire Size 18 to 12 AWG
Physical
Weight 0.25 lb (0.11 kg)
Listings and Approvals
Seismic Preapproval HCAI OSP-0031, Ip 1.5, CBC 2019, wall mounted rigid (expires 02/18/2028)