SIGA-SB

The Edwards SIGA-SB is the standard mounting base for Signature Series intelligent detectors, providing reliable SLC connections and room-side wiring terminals for seamless integration with smoke, heat, CO, and multi-criteria detectors.
It features high-impact polymer construction compatible with common electrical boxes worldwide, supporting optional remote LED indicators and designed for clean, professional installations in fire alarm systems.
Key Specifications
Feature
Specification
Display
N/A (Mounting base)
Mounting Compatibility
Signature Series detectors (OSD, COD, HFS, etc.)
Wire Capacity
12-18 AWG (16-18 AWG preferred)
Terminal Torque
12 lbf-in (1.4 N·m) max
Communication
Signature Data Circuit (SLC)
Standard Functions
Remote LED support (SIGA-LED), Room-side terminals
Mounting Options
4" octagon, 1-gang, BESA, European boxes
Aux Input
Remote LED terminals
Power Supply
Loop-powered (15.2–19.95 VDC)
Operating Temp
0°C–49°C (0-93% RH non-condensing)