Bosch FAS-420-TM Series Aspirating Smoke Detectors LSN improved version - Manual (Page 31)

FAS-420-TM | FAS-420-TM-R | FAS-420-TM-RVB en 31
Bosch Sicherheitssysteme GmbH F.01U.088.879 | 4.0 | 2010.12
Technical Specifications
LSN power supply 15 V DC-33 V DC
Auxiliary power supply 15 V DC-30 V DC
LSN current consumption 6.25 mA
Current consumption from auxiliary power
supply Fan voltage
9 V 10.5 V 12 V
- Starting current 150 mA
- In standby 105 mA 125 mA 145 mA
- With alarm, device variants FAS-420-TM and
FAS-420-TM-R 110 mA 130 mA 150 mA
- With alarm, device variant FAS-420-TM-RVB 140 mA 160 mA 180 mA
Max. wire gauge 2.5 mm²
Housing material Plastic (ABS)
Housing color Papyrus white (RAL 9018)
Protection category according to EN 60529
- Without air return IP 20
- With pipe section 100 mm/pipe bend IP 42
- With air return IP 54
Permissible temperature range
- FAS-420-TM Series Aspirating Smoke
Detectors -20 °C to +60 °C
- PVC pipe system -10 °C to +60 °C
- ABS pipe system -40 °C to +80 °C
Permissible relative humidity (non-condensing) Max. 95%
Sound power level (at 9 V fan voltage) 40 dB(A)
Response sensitivity (light obscuration) 0.5 to 2.0%/m
Life cycle of fan (at 12 V and 24 °C) 60,000 hrs