Fire-Lite ECC-FFT Firefighters Telephone - Manual (Page 9)

ECC-FFT Instruction Manual — P/N LS10031-000FL-E:B 9/4/2013 9
Electrical Specifications Product Description
1.5 Electrical Specifications
1.5.1 Power Requirements
Voltage for the ECC-FFT must be a UL-listed, power-limited, filtered, non-resettable nominal 24
VDC source. The voltage source must be within the range of 17-29 VDC.
1.5.2 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 1.3 below.
Zone 1-
Zone 8
Zone 9 -
Zone 16
Zone 17 -
Zone 24
Figure 1.2 ECC-FFT Keypad
e
cc
ff
tk
yp
d.
w
m
f
Circuits Voltage Current
SLC Circuit 32 V 150 mA
Audio Circuits 17 V 53 mA
Trouble Relay 12 VDC 1 A
Table 1.2 Electrical Ratings
Active Standby
ECC-FFT 230 mA 120 mA
Table 1.3 ECC-FFT Current Draw