B2F020 Converter
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Building Technologies 001260_k_en_--.doc
Fire Safety & Security Products 02.2005
13 B2F020 Converter
13.1 Overview
z Converts the Mains voltage to the system voltage
z Consistent with the battery-charging function units E3X10. and E3C...
z Designed for an output current of 6 A at 29.6 VDC
z Requires no special cooling
z Built-in thermal fuse
z Current limited
z Short circuit proof
z Parallel operation
z Switches on primary side
z With metal shielding
z Dimensions 200 x 100 x 40 mm
Power supply general
The power supply for the CS1140 series of fire detection system control units con-
sists of the following three components:
– Converter B2F020
– Battery-charging function unit either as an integrated component in the
E3X10. (for details see E3X10.) or as a separate battery-charging module E3C...
(for details see E3C...)
– Emergency power battery, capacity according to quiescent current and the re-
quired mains autonomy; see document 1076 (EP5), 008725 (EP7F-Z1) ”Emer-
gency power calculation”)
Over voltage protection
Additional surge protectors are only necessary in Special cases e.g. where there
is a particular risk from lightning, overhead mains lead etc. (see Z3I041, Z3I121 –>
page 76)
13.2 Key data
Mains voltage 115 / 230 VDC +10 %/–15 % 50...60Hz
Power consumption 40...320 VA
Mains fuse 3.15 A/T, permanently integrated, not exchangeable on site
Output current max. 6 A continuous (limited)
Output voltage
29.6 VDC +/–2 %
Residual ripple max. 300 mVpp
Quiescent current with battery operation 0 mA
Temperature range 0...+70 °C without ventilator,
automatic switch-off at > 90 °C
Standard CE / prEN54-4
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