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AIR PRODUCTS AND CONTROLS SM-501-P Duct Smoke Detector, Light Alert, Gray - Smoke Detectors for Fire Alarm Systems
AIR PRODUCTS AND CONTROLSSmoke Detectors for Fire Alarm Systems

AIR PRODUCTS AND CONTROLS SM-501-P Duct Smoke Detector, Light Alert, Gray

The AIR PRODUCTS AND CONTROLS SM-501-P is a UL 268A-listed duct smoke detector for fire alarm systems, featuring a photoelectric sensor and a light alert in a rectangular, gray body. It operates on 115V AC/230V…

SKU 3G-OTH-546839

Also listed as: SM501P · SM 501 P

Brand
AIR PRODUCTS AND CONTROLS
Item
SM-501-P Duct Smoke Detector, Light Alert, Gray
Category
Smoke Detectors for Fire Alarm Systems
Available to Order
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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

AIR PRODUCTS AND CONTROLS
Manufacturer Part Number
SM-501-P
Type
Light Alert, Gray
Shape
Rectangular
Detects
Smoke
Standards
UL 268A
Alert Type
Light
Body Color
Gray
Sensor Type
Photoelectric
Power Source
Hardwired
Current Rating
56 mA @ 24V AC
Voltage Rating
230V AC
Mounting Location
Duct

Technical Documents

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AIR PRODUCTS AND CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AIR PRODUCTS AND CONTROLS SM-501-P is a UL 268A-listed duct smoke detector for fire alarm systems, featuring a photoelectric sensor and a light alert in a rectangular, gray body. It operates on 115V AC/230V AC/24V AC/24V DC power with a current rating of 56 mA @ 24V AC, and is hardwired for duct mounting.

Frequently Asked Questions

What is the AIR PRODUCTS AND CONTROLS SM-501-P duct smoke detector used for?

The SM-501-P is a UL 268A-listed duct smoke detector designed for fire alarm systems. It uses a photoelectric sensor to detect smoke in HVAC ducts, triggering a light alert. This helps prevent smoke recirculation and supports early warning in commercial and industrial buildings.

What are the specifications of the AIR PRODUCTS AND CONTROLS SM-501-P?

The SM-501-P operates on 115V AC, 230V AC, 24V AC, or 24V DC with a current rating of 56 mA @ 24V AC. It features a photoelectric sensor, light alert, rectangular gray body, and is hardwired for duct mounting. It complies with UL 268A standards.

Where to buy the AIR PRODUCTS AND CONTROLS SM-501-P worldwide?

3G Electric supplies the AIR PRODUCTS AND CONTROLS SM-501-P duct smoke detector worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this UL 268A-listed unit.

How to install the AIR PRODUCTS AND CONTROLS SM-501-P duct smoke detector?

Install the SM-501-P in the duct with the airflow arrow pointing downstream. Hardwire to the appropriate voltage (115V AC, 230V AC, 24V AC, or 24V DC) per local codes. Ensure the photoelectric sensor is clean and unobstructed. Test the light alert after installation.

AIR PRODUCTS AND CONTROLS Products

3G Electric supplies AIR PRODUCTS AND CONTROLS 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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