System Sensor D4120 4-Wire Photoelectric Duct Smoke Detector

 

 

 

 

 

 

 

4-wire photoelectric low-flow duct smoke detector
 

Specifications: D4120

Wiring: 4-wire

Operating Temperature Range: -4° to 158°F (-20° to 70°C)

Storage Temperature: -22° to 158°F (-30° to 70°C)

Operating Humidity Range: 0% to 95% relative humidity non-condensing

Air Duct Velocity: 100 to 4000 ft./min. (0.5 to 20.32 m/sec)

Dimensions: Rectangular: 14.38 in (37 cm) L; 5 in (12.74 cm) W; 2.5 in (6.36 cm) D
Square: 7.75 in (19.7 cm) L; 9 in (22.9 cm) W; 2.5 in (6.36 cm) D

Shipping Weight: 2.5 lbs. (1.14 kg)

Voltage Range: 20–29 VDC; 24 VAC 50–60 Hz; 120 VAC 50–60 Hz

Alarm auxiliary contacts (DPDT): 10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive); ½ HP @ 240 VAC ; ¼ HP @ 120 VAC

Alarm Initiation Contacts: 2.0A @ 30 VDC (resistive)

Power Supply Voltage: 20–29 VDC; 24 VAC 50–60 Hz; 120 VAC 50–60 Hz

Input Capacitance: 270 µF max.; 270 µF max.; N/A

Reset Voltage: 3.0 VDC min.; 2.0 VAC min.; 10 VAC min.

Alarm Current: 65 mA @ 24VDC 135 mA RMS @ 24VAC 60Hz 35 mA RMS @ 120VAC 60Hz

Standby Current: 21 mA @ 24VDC 65 mA RMS @ 24VAC 60Hz 20 mA RMS @ 120VAC 60Hz

Reset Time w/ RTS451: 0.03 to 0.3 sec.

Reset Time by Power Down: 0.6 sec. max.

Power Up Time: 35 sec. max.

Alarm Response Time: 15 sec.

 

  • Model: System Sensor D4120
  • 36 Units in Stock
  • Manufactured by: System Sensor

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$169.95

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