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Power supply
19/39
Power supply requirements
Requirements
(for measuring timebase Q = 4
s and time base T = 30 s)
6
years
11
years
16
years
Power supply
(230 / 110 V
AC; 24 V
ACDC)
Standard pulses,
M-Bus read out (max. each
15 min.), CL-Module
2x AA
C
D
yes
M-Bus fast read out (max.
each 4 sec.), fast pulses,
analog module, radio mod-
ule
D
--
--
yes
Fast measurement raster
(for measuring timebase
Q = 4 s and time base
T = 4 s)
D
--
--
yes
Note: The lifetime of battery depends on the type of battery and on
the requirements.
Note: Only batteries approved by the manufacturer may be in-
stalled.
Power supply modules
General
Pollution degree
per EN 61010 (no or only dry, non-
conductive soiling)
Ambient temperature
5 ... 55 °C
Storage temperature
-20 … 60 °C
Back-up time during power
failure (power reserve)
> 20 minutes
24
V safety extra-low voltage
Voltage
12...36 V AC or 12…42 V DC
Frequency
50 / 60 Hz or DC
Galvanic isolation
1000 V DC
Power consumption
maximal 0.8 VA
Terminals for connecting cable
2 x 1.5 mm² about, Ø 5.0...6.0 mm
110 V or 230 V alternating voltage
Voltage
85…121 V AC or 196…253 V AC
Type
Safety class II
Frequency
50 / 60 Hz
Line voltage fluctuations
max. 10 % of the nom. voltage
Overvoltage category II per
EN60010
2500 V impulse voltage
Power consumption
maximal 0.8 VA
Relative humidity
less than 93 % for T < 50°C
Cable length
1.5 / 5 / 10 m
Fuse protection
6 A MCB