EDWARDS SIGNALING Duct Detector: Light Alert, Duct Mount, 5.43 in Overall Ht
The EDWARDS SIGNALING SD-SJ Duct Detector is a UL-listed, photoelectric smoke detector designed for indoor duct-mount applications. This rectangular, clear-bodied unit is hardwired and surface-mounted, with overall…
SKU 3G-OTH-546841
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Product Description
The EDWARDS SIGNALING SD-SJ Duct Detector is a UL-listed, photoelectric smoke detector designed for indoor duct-mount applications. This rectangular, clear-bodied unit is hardwired and surface-mounted, with overall dimensions of 5.43 in height and 8.7 in width, providing a light alert for fire alarm systems.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the EDWARDS SIGNALING SD-SJ duct detector used for?
The EDWARDS SIGNALING SD-SJ duct detector is used in HVAC systems to detect smoke in air ducts. It provides a light alert for fire alarm systems, helping prevent smoke recirculation. This UL-listed, photoelectric unit is designed for indoor, surface-mounted duct applications.
What are the specifications of the EDWARDS SIGNALING SD-SJ duct detector?
The EDWARDS SIGNALING SD-SJ is a UL-listed, photoelectric smoke detector with a clear body. It is hardwired, surface-mounted on ducts, and measures 5.43 in overall height by 8.7 in overall width. It detects smoke and provides a light alert for indoor fire alarm systems.
Where to buy the EDWARDS SIGNALING SD-SJ duct detector worldwide?
3G Electric supplies the EDWARDS SIGNALING SD-SJ duct detector worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this UL-listed, photoelectric smoke detector for your fire alarm system.
How to install the EDWARDS SIGNALING SD-SJ duct detector?
Install the EDWARDS SIGNALING SD-SJ duct detector by surface-mounting it on the duct, following the manufacturer's wiring diagram for hardwired connections. Ensure the unit is positioned for proper airflow sampling. Always comply with local fire codes and the UL listing requirements for indoor duct applications.
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3G Electric supplies EDWARDS SIGNALING smoke detectors for fire alarm systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.




