
Power supply
25/49
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
maximal 10% of the nom. voltage
Overvoltage category II per EN60010 2500 V pulse voltage
Power consumption
maximal 0.8 VA
Relative humidity
less than 93 % for T < 50°C
Fuse protection
6 A MCB
100 - 240 V alternating voltage *)
Voltage
100…240 V AC (±10%)
Type
Safety class II
Frequency
50 / 60 Hz
Line voltage fluctuations
maximal 10% of the nom. voltage
Overvoltage II per EN60010
2500 V pulse voltage
Power consumption
maximal 2.5 W
Relative humidity
5
…90 % T < 55°C, without condensa-
tion
Fuse protection
6 A MCB
*)
Has two outputs. One supplies the meter, the other an optionally plugged GPRS module
.