Home > Edwards > 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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