TB MRU3-2 12.00 E
29
7
Technical Data
7.1
Measuring input circuits
Rated data:
Nominal voltage U
N
100 V, 230 V, 400 V
Nominal frequency f
N
40 - 70 Hz
Power consumption in
voltage circuit:
< 1 VA per phase at U
N
Thermal withstand in
voltage circuit:
continuously
2 x U
N
7.2
Common data
Dropout to pickup ratio:
U>/U>> : >98%
U</U<< : < 102%
Dropout time:
40 ms
Time lag error class index E:
±
10 ms
Minimum operating time:
40 ms
Max. allowed interruption of the
auxiliarxy supply without effecting
the function of the device:
50 ms
Weight:
approx. 1.5 kg
Mounting position:
any
Influences:
Frequency influence on voltage
measuring circuit:
0.9 f
N
< f < 1.1 f
N
,
≤
2 % / Hz bei 50/60 Hz
Voltage influence on frequency
measuring circuit:
0.5 U
N
< U < 1.5 U
N
, no influence
Temperature influence:
-20 °C ... 70 °C, < 1 %
Auxiliary voltage influence:
no influence within the admissible range
GL-Approbation:
98776-96HH
Bureau Veritas Approbation:
2650 6807 A00 H
