Home > Edwards > EST EDWARDS 4REXP 4 ZONE EXPANSION MODULE FIRE ALARM PART LSS4

 EST EDWARDS 4REXP 4 ZONE EXPANSION MODULE FIRE ALARM PART LSS4
Verified: May 26, 2026

EST EDWARDS 4REXP 4 ZONE EXPANSION MODULE FIRE ALARM PART LSS4

~$35.95

The EST EDWARDS 4REXP is a 4-zone expansion module used to increase the capacity of a fire alarm system.

Key Specifications

  • Compatibility: EST EDWARDS fire alarm panels
  • Voltage: 24 VDC
  • Zone Capacity: 4 zones
  • Mounting: DIN rail or wall mount
  • Communication Protocol: RS-485
  • Dimensions: Approx. 6" x 4" x 2"
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