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SK-FFT Installation and Operation Manual
2-4
54711
2.4 Electrical Specifications
2.4.1
Power Requirements
Voltage for the SK-FFT must be a power-limited, filtered, non resettable nominal 24
VDC source. The voltage source must be within the range of 17-29 VDC.
2.4.2
Current Ratings
Maximum current ratings for determining backup battery requirements for alarm
(active) and standby conditions over the input voltage range of 17-29 VDC are shown
in Table 2-2.
Table 2-1: Electrical Ratings
Circuits
Voltage
Current
SLC Circuits
32 V
150 mA
Audio Circuits
17 V
53 mA
Table 2-2: SK-FFT Current Draw
Active
Standby
SK-FFT
230 mA
120 mA
FFT-24
25 mA
10 mA
Содержание SILENT KHIGHT SK-FFT
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Страница 58: ...Silent Knight 12 Clintonville Road Northford CT 06472 1610 203 484 7161 Fax 203 484 7118 www silentknight com ...