Siemens FS20 - Page 158

Determining the compact stations
Determining the batteries and power supply
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Building Technologies
008843_v_en_
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Fire
Safety
2015
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12
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15
NOTICE
Damage to the power supply
Different versions (A4/A5) of the power supply (150 W) may not be switched in
parallel.
The detailed maximum current loads for the power supply (150 W) are listed in the
tables below.
Permitted current loads for the SV24V-150W-A4
17 Ah 25 Ah 45 Ah 65 Ah 100 Ah
R
i max.
[Ω] Max. internal resistance of the battery 0.6
I
min.
[A] Minimum current 0
I
max. a
(single) Max. permanent current to load 2.1 2.1 2.1 2.1 -
I
max. a
[A]
(2 parallel)
Max. permanent current to load for
switching two power supply units in
parallel
- - 4.2 4.2 4.2
I
max. b
[A] Max. current peak to load 4.2
Permitted current loads for the SV24V-150W-A5
17 Ah 25 Ah 45 Ah 65 Ah 100 Ah
R
i max.
[Ω]
Max. internal resistance of the
battery
0.3
I
min.
[A] Minimum current 0
I
max. a
(single) Max. permanent current to load 4.2 3.9 3.0 2.1 -
I
max. a
[A] (2 parallel)
Max. permanent current to load
for switching two power supply
units in parallel
- - 7.6 7.2 5.6
I
max. a
[A] (3 parallel)
Max. permanent current to load
for switching three power supply
units in parallel
- - - 7.6 7.6
I
max. b
[A] Max. current peak to load 5.0 7.6