Product Description
The SYSTEM SENSOR D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit operates in airflow speeds of 100 to 4,000 feet per minute, and temperatures of ">–4°F to 158°F.
- 4-Wire Photoelectric, integrated low-flow technology
- Versatile mounting options: square or rectangular configuration
- Increased wiring space with a newly added ¾-inch conduit knockout
Product Highlights
The D4120 smoke detector offers improved false alarm immunity and simple installation, testing, and maintenance.
Product Information
Standard Information
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Brand: SYSTEM SENSOR
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Manufacturer Part Number: D4120
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Country of Origin: Mexico
Technical Specifications
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Brand Name: System Sensor
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Depth: 2.5"
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Width: 5"
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Height: 14.4"
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Depth (mm): 63.5
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Width (mm): 127
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Form Factor: Duct Mount
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Height (mm): 365.252
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Manufacturer: Honeywell International, Inc
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Power Source: AC,DC
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Product Line: Innovairflex
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Product Name: InnovairFlex D4120 Smoke Detector
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Product Type: Smoke Detector
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Input Voltage: 120V AC,24V DC,29V DC
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Product Model: D4120
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ADI Part Number: BK-D4120
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Application/Usage: Air Duct Protection
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Detectable Medium: Smoke
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Status Indicators: Alarm,LED,Switch
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Sensing Technology: Photoelectric
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Input Voltage (V AC): 120
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Input Voltage (V DC): 24,29
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Maximum Air Velocity: 20.32 m/s
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Additional Information: 4-wire
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Connectivity Technology: Wired
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Manufacturer Part Number: D4120
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Certifications & Standards: UL LISTED
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Batteries required: No
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Airflow Speeds: 100 - 4000 fpm
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Temperatures: 4 to 158 deg F
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Humidity Range: 0 to 95% (non-condensing)
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Operating Temperature: -4 to 158 deg F
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Airflow Speed: 100 to 4000 ft/min
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Type: Photoelectric, 4-Wire
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Voltage Rating: 20 to 29 Volt DC/24/120 Volt AC 50/60 Hertz
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Size: 14.38 Inch Length x 5 Inch Width x 2.5 Inch Depth
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Approval: UL, MSFM, FM, CSFM
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Electric Rating: 10 Amp at 30 Volt DC/250 Volt AC (Resistive), 1/4 HP at 120 Volt AC, 1/2 HP at 240 Volt AC
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Alarm Current Rating: 65 Miliamp at 24 Volt DC 135 Miliamp RMS at 24 Volt AC 60 Hertz 35 Miliamp RMS at 120 Volt AC 60 Hertz
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Alarm Initiation Contact: 2 Amp at 30 Volt DC (Resistive)
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Alarm Response Time: 15 Second
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Input Capacitance: 270 Microfarad
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Air Duct Velocity: 100 to 4000 Foot per Minute
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Contact Configuration: DPDT
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Operating Humidity Rating: 0 to 95 Percent RH (Non-Condensing)
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Power Up Time: 35 Second
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Reset Time by Power Down: 0.6 Second
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Model Number (MPN): D4120
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Product Type [Specifications]: Photoelectric, Duct Smoke Detector
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Volts: 24/115/1/60
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Alarm: Audible
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Batteries Included?: No
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Item Model Number: D4120
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Part Number: DST5
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Is Discontinued By Manufacturer: No
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Item Number: D4120
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Amps: 0.21
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Audible Alert: false
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Battery Backup: false
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Connection Type: Terminal Block
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CUL Listed: false
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Cycle/Hertz: 50/60 Hz
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Detection Method: Photoelectric
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Display: false
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EAN: 0783863034411
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Hush Button: false
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Locking Pin: false
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Maximum Voltage: 120 VAC/24 VDC
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Mounting: Side by Side or Top over Bottom
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Operating Temperature Range: -4 F to 158 F (-20 C to 70 C)
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Power Source [Specifications]: 24 VAC
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Prop 65: true
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Sensor Type: Photoelectric
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Switch Action: Dip Switches
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Test Button: true
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Duct Smoke Detector: Duct Smoke Detector
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UL Recognized: false
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UPC: 783863034411
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Visual Alert: false
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Voltage: 120 VAC
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Wire Gauge: Up to 12 AWG
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Length: 14.38
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Humidity: 0 to 95%
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Width [Specifications]: 5"
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Height [Specifications]: 14.4"
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Voltage [Specifications]: 24V DC/ 24V AC/ 120V AC
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Depth (In.) [Specifications]: 2 1/2 in
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Height (In.) [Specifications]: 5 in
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Length (In.) [Specifications]: 14 3/8 in
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Alarm State (mA) [Specifications]: Max 60mA @24V DC/ Max 130mA RMS @24V AC/ Max 35mA RMS @120V AC
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Package Quantity [Specifications]: 1
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Air Velocity (FPM) [Specifications]: 100 to 4000
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Standby State (mA) [Specifications]: Max 25mA @24V DC/ Max 55mA RMS @24V AC/ Max 20mA RMS @120V AC
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Humidity Range (% RH) [Specifications]: 0 to 95
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Ambient Temp. Limits (F) [Specifications]: -4 Degrees to 158 Degrees
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Alarm Aux. Contact @ 250V [Specifications]: 10 A
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Alarm Aux. Contact @ 30VDC [Specifications]: 10 A
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Country of Origin (subject to change) [Specifications]: Mexico
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Product SKU: D4120
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Part #: D4120
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Wiring: 4 Wire
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Item Type: Smoke Detector
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Detection Type: Photoelectric
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Air Velocity Range: 100-4000 FPM
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Item Weight [Specifications]: 3.25 lbs per EA
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Dimensions: 14.38 in L x 5 in W x 2.5 in D Rectangular/7.75 in L x 9 in W x 2.5 in D Square
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Gases Detected: Smoke
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Voltage Rating [Specifications]: 24/120|V ac
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UNSPSC Code: 46171600
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Mount Type: Duct Mount
