Edwards Modules




  • Traditional familiar appearance
  • One stage (GA), two stage (pre-signal), and double action models
  • Break glass operation
  • Intelligent device with integral microprocessor
  • ADA Compliant
  • Electronic Addressing with Non-volatile memory
  • Automatic device mapping
  • Diagnostic LEDs
  • Designed for high ambient temperature operation
Catalog Number SIGA-270, SIGC270F, SIGC-270B SIGA-270P,SIGC-270PB SIGA-278
Description Single Action - One Stage Single Action -Two Stage (Presignal) Double Action - One Stage
Addressing Requirements Uses 1 Module Address Uses 2 Module Addresses Uses 1 Module Address
Operating Current Standby = 250µA Activated = 400µA Standby = 396µA Activated = 680µA Standby = 250µA Activated = 400µA
Construction & Finish Diecast Zinc - Red Epoxy with aluminum markings Lexan - Red with white markings
Type Code Factory Set
Operating Voltage 15.2 to 19.95 Vdc (19 Vdc nominal)
Storage and Operating Environment Operating Temperature: 32ºF to 120ºF (0ºC to 49ºC) Storage Temperature: -4ºF to 140ºF (-20ºC to 60ºC) Humidity: 0 to 93% RH
LED Operation On-board Green LED - Flashes when polled On-board Red LED - Flashes w hen in alarm
Compatibility Use With Signature Loop Controller
Agency Listings UL, ULC (note 1), MEA, CSFM, FM

Input Modules SIGA-CT1, SIGA-CT1HT, SIGA-CT2, SIGA-MCT2



  • Multiple applications
  • SIGA-CT1HT rated for high temperature environments
  • Plug-in (UIO) or standard 1-gang mount
  • Automatic device mapping
  • Electronic addressing
  • Ground fault detection by address
Catalog Number SIGA-CT1HT SIGA-CT1 SIGA-CT2 SIGA-MCT2
Description Single Input Module Dual Input Module
Type Code 48 (factory set) Four sub-types (personality codes) are available 49 (factory set) Four sub-types (personality codes) are available
Address Requirements Uses One Module Address Uses Two Module Addresses
Operating Current Standby = 250µA; Activated = 400µA Standby = 396µA; Activated = 680µA
Operating Voltage 15.2 to 19.95 Vdc (19 Vdc nominal)
Construction High Impact Engineering Polymer
Mounting North American 2½ inch (64 mm) deep one-gang boxes and 1½ inch (38 mm) deep 4 inch square boxes with one-gang covers and SIGA-MP mounting plates UIO2R/6R/6 Motherboard
Operating Environment 32°F to 158°F (0°C to 70°C) 32°F to 120°F (0°C to 49°C)
Storage Environment -4°F to 140°F (-20°C to 60°C); Humidity: 0 to 93% RH
LED Operation On-board Green LED - Flashes when polled; On-board Red LED - Flashes when in alarm/active
Compatibility Use with Signature Loop Controller
Agency Listings UL, ULC, MEA, CSFM

Control Relay Modules SIGA-CR, SIGA-MCR, SIGACRR, SIGA-MCRR



  • Provides one no/nc contact (SIGA-CR/MCR)
  • Allows group operation of sounder bases
  • Plug-in (UIO) or standard 1-gang mount
  • Automatic device mapping
  • Electronic addressing
  • Intelligent device with microprocessor
Catalog Number SIGA-CR SIGA-MCR SIGA-CRR SIGA-MCRR
Description Control Relay Polarity Reversal Relay
Type Code Personality Code 8 (Factory Set) Personality Code 8 (Factory Set)
Address Requirements Uses 1 Module Address
Operating Current Standby = 75 µA Activated = 75 µA
Operating Voltage 15.2 to 19.95 Vdc (19 Vdc nominal)
Relay Type and Rating Form C, 2 Amps @ 24 Vdc (pilot duty), 0.5 Amps @ 120 Vac and 0.25 Amps @ 220 Vac (220 Vac is non-UL) Not rated for capacitive loads.
Mounting North American 2½ inch (64 mm) deep 1-gang boxes and 1½ inch (38 mm) deep 4 inch square boxes with 1-gang covers and SIGAMP mounting plates Plugs into UIO2R, UIO6R or UIO6 Motherboards North American 2½ inch (64 mm) deep 1-gang boxes and 1½ inch (38 mm) deep 4 inch square boxes with 1-gang covers and SIGAMP mounting plates Plugs into UIO2R, UIO6R or UIO6 Motherboards
Construction & Finish High Impact Engineering Polymer
Storage and Operating Environment Operating Temperature: 32°F to 120°F (0°C to 49°C) Storage Temperature: -4°F to 140°F (-20°C to 60°C) Humidity: 0 to 93% RH
LED Operation On-board Green LED - Flashes when polled On-board Red LED - Flashes when in alarm/active
Compatibility Use With: Signature Loop Controller
Agency Listings UL, ULC, CSFM, MEA

Isolator Module SIGA-IM2



  • Automatic device mapping
  • Electronic addressing
  • Ground fault detection by address
  • 2-gang mounting
Description Isolator Module - factory set hardware type code
Address Requirements Uses One Detector Address
Circuit Resistance Six ohms maximum between isolators
Operating Current Standby = 45µA; Activated = 45µA
Operating Voltage 15.2 to 19.95 Vdc (19 Vdc nominal)
Construction & Finish High Impact Engineering Polymer 2-gang front plate - White Finish
Storage Environment Temperature: -4°F to 140°F (-20°C to 60°C)
Operating Environment Temperature: 32°F to 120°F (0°C to 49°C); Humidity: 0 to 93% RH
LED Operation On-board Green LED - Flashes when polled (normal)
Compatibility Use with: Signature Loop Controller using 2nd Generation or newer non integrated isolation detectors and non isolated i/o modules
Agency Listings UL, ULC, CSFM, FM