content loaded
Key Features
- 4-Wire Photoelectric, integrated low-flow technology
- Air velocity rating from 100'/min to 4,000'/min (0.5 m/s to 20.32 m/sec)
- Versatile mounting options: square or rectangular configuration
Key Features
- 4-Wire Photoelectric, integrated low-flow technology
- Air velocity rating from 100'/min to 4,000'/min (0.5 m/s to 20.32 m/sec)
- Versatile mounting options: square or rectangular configuration
Sign In for Dealer Pricing
Become an ADI CustomerKey Features
- 4-Wire Photoelectric, integrated low-flow technology
- Air velocity rating from 100'/min to 4,000'/min (0.5 m/s to 20.32 m/sec)
- Versatile mounting options: square or rectangular configuration

Please sign in to view pricing and availability and to add to cart.
Overview
Specifications
Documents
Product Overview
Duct Smoke Detector
The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between.
Main Features
- 4-Wire Photoelectric, integrated low-flow technology
- Air velocity rating from 100'/min to 4,000'/min (0.5 m/s to 20.32 m/sec)
- Versatile mounting options: square or rectangular configuration
- Plug-in sensor offers superb false alarm immunity and the latest sensor technology
- Broad ranges for operating temperature (–4°F to 158°F) and humidity (0% to 95% non-condensing)
- Rotary address switches
- Patented sampling tube installs from front or back of the detector with no tools required
- Increased wiring space with a newly added 3/4-inch conduit knockout
- One easy-access Test/Reset button and improved LED status
- Patented interconnect feature for multi-fan shutdown
General Information
Name: System Sensor D4S 4-Wire Photoelectric Sensor Component
Category: System Sensor, Fire, Fire Detection Devices, Duct Smoke Detectors, ADI Pro Rewards
UPC Code: 783863034572
Country of Origin: Mexico. Country of origin is subject to change.
Specifications
-
ADI Part Number BK-D4S Brand Name System Sensor Manufacturer Honeywell International, Inc Manufacturer Part Number D4S Product Line InnovairFlex Product Model D4S Product Name InnovairFlex D4S Smoke Detector Sensor Component Product Series InnovairFlex Product Type Photoelectric Sensor
-
Status Indicators LED
-
Input Voltage 120V AC, 24V AC, 24V DC Power Source AC, DC
-
Additional Information - 4 Wire photoelectric sensor component
- Operating Temperature Range: -4° to 158°F (-20° to 70°C)
Compatibility System Sensor InnovairFlex D4120 4 Wire Photoelectric Duct Smoke Detector Country of Origin MX