System Sensor D4120 4 Wire Photoelectric Low Flow Duct Smoke Detector
Specifications
Air Duct Velocity 100 to 4000 ft./min. (0.5 to 20.32 m/sec)
Alarm auxiliary contacts DPDT 10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive);
1/2 HP @ 240 VAC ; 1/4 HP @ 120 VAC
Alarm Current: 65 mA @ 24VDC 135 mA RMS @ 24VAC 60Hz 35 mA RMS @ 120VAC 60Hz
Alarm Initiation Contacts 2.0A @ 30 VDC (resistive)
Alarm Response Time 15 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
Input Capacitance 270 μF max.
Operating Humidity Range 0% to 95% relative humidity non-condensing
Operating Temperature Range -4°F to 158°F (-20°C to 70°C)
Power Supply Voltage 20-29 VDC; 24 VAC, 50-60 Hz; 120 VAC 50-60 Hz
Power Up Time 35 sec. max.
Reset Time by Power Down 0.6 sec. max.
Reset Time w RTS451 0.03 to 0.3 sec.
Reset Voltage 3.0 VDC min.; 2.0 VAC min.; 10 VAC min.
Standby Current 21 mA @ 24VDC 65 mA RMS @ 24VAC 60Hz 20 mA RMS @ 120VAC 60Hz
Storage Temperature -22°F to 158°F (-30°C to 70°C)
Voltage Range 20-29 VDC; 24 VAC 50-60 Hz; 120 VAC 50-60 Hz
Wiring 4-wire
Used To Replace Kiddie 70-540000-001, CPD-7051, CPD-7054, CPD7051, CPD7054, Fenwal 70-540000-001, CPD-7051, CPD-7054, CPD7051, CPD7054, 70-600000-157
