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EDWARDS SIGNALING SD-ST Duct Mount Smoke Detector - Smoke Detectors for Fire Alarm Systems
EDWARDS SIGNALINGSmoke Detectors for Fire Alarm Systems

EDWARDS SIGNALING SD-ST Duct Mount Smoke Detector

The EDWARDS SIGNALING SD-ST Duct Detector is a ULC-listed, photoelectric smoke detector designed for indoor duct mounting. This rectangular, clear-bodied unit features a light alert and surface-mounts directly to the…

SKU 3G-OTH-546838

Also listed as: SDST · SD ST

Brand
EDWARDS SIGNALING
Item
SD-ST Duct Mount Smoke Detector
Category
Smoke Detectors for Fire Alarm Systems
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EDWARDS SIGNALING
Manufacturer Part Number
SD-ST
Type
Duct Mount
Shape
Rectangular
Detects
Smoke
Standards
ULC
Alert Type
Light
Body Color
Clear
Overall Ht
5.43 in
Overall Wd
8.7 in
Sensor Type
Photoelectric
For Location
Indoor
Power Source
Hardwired
Mounting Style
Surface
Mounting Location
Duct

Technical Documents

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EDWARDS SIGNALING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EDWARDS SIGNALING SD-ST Duct Detector is a ULC-listed, photoelectric smoke detector designed for indoor duct mounting. This rectangular, clear-bodied unit features a light alert and surface-mounts directly to the duct, with dimensions of 5.43 inches in height and 8.7 inches in width. It is a hardwired, duct-mount smoke detector for fire alarm systems.

Frequently Asked Questions

What is the EDWARDS SIGNALING SD-ST duct detector used for?

The EDWARDS SIGNALING SD-ST duct detector is used for indoor smoke detection in HVAC ducts. It mounts directly to the duct surface and triggers a light alert when smoke is sensed, helping protect building occupants and equipment in commercial or industrial fire alarm systems.

What are the specifications of the EDWARDS SIGNALING SD-ST duct detector?

The EDWARDS SIGNALING SD-ST is a ULC-listed, photoelectric smoke detector with a clear rectangular body. It measures 5.43 inches high by 8.7 inches wide, is hardwired, surface-mounts to indoor ducts, and provides a light alert. It is designed for fire alarm systems.

Where to buy the EDWARDS SIGNALING SD-ST duct detector worldwide?

3G Electric supplies the EDWARDS SIGNALING SD-ST duct detector worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ULC-listed smoke detector.

How to install the EDWARDS SIGNALING SD-ST duct detector?

Install the EDWARDS SIGNALING SD-ST by surface-mounting it directly to the duct in an indoor location. Follow the manufacturer's wiring diagram for hardwired connection to the fire alarm system. Ensure the duct airflow is unobstructed and test per local codes after installation.

Used in

Common applications for EDWARDS SIGNALING
Manufacturing assembly lines — EDWARDS SIGNALING 200 Class tower light modules for machine status indication (e.g., green for running, red for fault).
Process control panels — EDWARDS SIGNALING steady light modules (e.g., 270LEDSG240A) for visual confirmation of pump or valve states.
Material handling systems — EDWARDS SIGNALING tower light stacks with mixed steady/flashing modules for conveyor status and alarm alerts.
Washdown environments — EDWARDS SIGNALING 270BC wiring base with IP66 rating for food processing or pharmaceutical equipment signaling.
Remote monitoring stations — EDWARDS SIGNALING 24V AC/DC modules (e.g., 270LEDSW24AD) for low-voltage control systems in automated warehouses.
Safety and warning systems — EDWARDS SIGNALING amber and red modules for visual warnings on industrial machinery or access gates.

EDWARDS SIGNALING Products

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.

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