INS879EN-2 65/68
Transmitter Duty Cycle <1%
Max RF Power 10mW
Low Voltage Signal 2.8V
Operating Voltage 3V
Maximum Current
P15-W, Q20-W, CQ-W = 18mA D20-W,
CD-W = 38mA
Quiescent Current
P15-W, Q20-W, CQ-W = 15uA
D20-W, CD-W = 16uA
Relative Humidity 0-95% non-condensing
Operating Temperature -10°C to 55°
Weight
P15-W, Q20-W, CQ-W (no ring, fascia
or battery) – 93g
P15-W, Q20-W (with fascia, insert and
battery) – 127g
CQ-W (with ring and battery) – 167g
D20-W, CD-W (no ring, fascia or
battery) – 98g
D20-W (with fascia, insert and battery)
–133g
CQ-W (with ring and battery) – 172g
Dimensions
Wall Mount: Width 65mm, Height
112mm, Depth 43mm.
Ceiling Mount: 125mm Diameter,
Depth 43mm.
PSU Chracteristics
(Type C)
P15-W/Q20-W/CQ-W D20-W/CD-W
Quiescent Current (Set and
Unset)
15uA 16uA
Current During Alarm
(Period)
18mA (40ms) 38mA (40ms)
Current During Set and
Unset (Period)
18mA (40ms) 18mA (40ms)