Description
24 VAC/DC,120 VAC
2:1 sensor-to-power capability for allowing a power board to monitor both supply and return side detectors
Physical Specifications
D4120 Size: (Rectangular Dimensions) 14.38 in (37 cm) Length; 5 in (12.74 cm) Width; 2.5 in (6.36 cm) Depth
(Square Dimensions) 7.75 in (19.7cm) Length; 5 in (12.7 cm) Width; 2.5 in (6.35 cm) Depth
D4S/D4P120 Size: 7.75 in (19.7cm) Length; 5 in (12.7 cm) Width; 2.5 in (6.35 cm) Depth
D4120 Weight: 2.5 lbs (1.14 kg)
D4120 & D4S
Operating Temperature Range: –4° to 158°F (–20° to 70°C)
Storage Temperature Range: –22° to 158°F (–30° to 70°C)
D4P120
Operating Temperature Range: –40° to 158°F (–40° to 70°C)
Storage Temperature Range: –40° to 158°F (–40° to 70°C)
Operating Humidity Range: 0% to 95% relative humidity non-condensing
Air Duct Velocity: 100 ft/min to 4000 ft/min (.5 m/sec to 20.32 m/sec)
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.
Reset time: (with RTS451) .03 to 0.3 sec. .03 to 0.3 sec. .03 to 0.3 sec.
Reset time: (by power down) 0.6 sec. max. 0.6 sec. max. 0.6 sec. max.
Power up time: 35 sec. max. 35 sec. max. 35 sec. max.
Alarm response time: 15 sec. 15 sec. 15 sec.
Sensitivity Test: See detector label See detector label See detector label
Current Requirements: (Using No Accessories)
Max. standby current: 21 [email protected] 65 mA [email protected] 60Hz 20 mA [email protected] 60Hz
Max. alarm current: 65 [email protected] 135 mA [email protected] 60Hz 35 mA [email protected] 60Hz
Contact Ratings
Alarm initiation contacts: (SPST) 2.0A @ 30 VDC (resistive)
Alarm auxiliary contacts: (DPDT) 10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive); 1⁄4 HP @120 VAC ; 1⁄2 HP @240 VAC
Note: Alarm auxiliary contacts shall not be connected to initiating circuits of control panels. Use the alarm initiation contact for this purpose.
Supervisory contacts: (SPDT) 2.0A @ 30 VDC (resistive); 2.0A @ 125 VAC (resistive)
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