Edwards SD-4WPCBT
Edwards SD-4WPCBT
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The Edwards SD-4WPCBT is a duct detector assembly replacement PCB and sensor kit designed to restore or upgrade photoelectric duct smoke detection capability in compatible Edwards SuperDuct or SIGA-SD housing assemblies. The kit provides replacement circuit board electronics, photoelectric sensor element, and supporting components to enable continued intelligent addressable operation within existing duct mounting infrastructure, maintaining Signature SLC protocol compatibility with EST fire alarm control panels.
Key Features
- Replacement PCB and photoelectric sensor kit for duct detector assemblies
- Restores intelligent addressable detection in existing housings
- Maintains Signature SLC protocol compatibility
- Photoelectric light-scattering smoke detection technology
- Supports existing duct installation without housing replacement
Technical Specifications
- Component Type: PCB and sensor replacement kit
- Detection Method: Photoelectric light-scattering
- Operating Voltage: 15.2 to 19.95 VDC from SLC
- Current Draw: 45 µA (standby and alarm)
- Obscuration Sensitivity: 0.79 to 2.46 %/ft
- Protocol: Edwards Signature Series SLC addressable
- Application: Replacement in SIGA-SD or equivalent housings
Certifications
- Compatible with Edwards EST fire alarm control panels
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