Supply Voltage:(without accessories)
24 VAC @ 35 mA standby, 74 mA alarm :
24 VDC @ 15 mA standby, 56 mA alarm :
115 VAC @ 25 mA standby, 32 mA alarm :
230 VAC @ 12 mA standby, 16 mA alarm :
Frequency:50/60 Hz
Relay Contacts:Alarm 2-SPDT, 10A, 115 VAC, resistive
Trouble 1-SPDT, 10A, 115 VAC, resistive:
Air Velocity:500-4000 fpm (2.5-20.3 mps)
Radioactive Element:For SM-501-N only Americium 241, 0.9 μCi
Wiring Terminations:Solid or stranded, 12 to 22 AWG terminals
Operating Temperature:
SM-501-N:32° to 158°F (0° to 70°C)
SM-501-P:32° to 140°F (0° to 60°C)
Operating Humidity:10% to 85% RH non-condensing
Enclosure Rating:NEMA 1, 18-gauge steel back box, clear plastic cover (94V-0), Gray paint with clear cover
Dimensions:9.13"H x 7.25"W x 2.25"D (23.19 x 18.42 x 5.72 cm)
Weight:3.2 lb (1.45 Kg)
Approvals:UL File #S2829 CSFM 3240-1004:108 MEA 73-92-E, Vol. 26
Warranty:3 year