Mains pro 1.6.1 Global Guide
46
Note: Please note, that in order to fulfill the requested accuracies of the unit, it is necessary that the voltage is
always present at the terminals UA with the same frequency as on the other terminals. If this is not fulfilled,
even if the voltages on the measurement inputs UB and UC are within green area, they will not be evaluated
accurately!
11.1.2 Voltage measurement
Voltage measurement accuracy is 1% of the nominal value at frequency 50 Hz ± 10% and temperature
25°C.
The accuracy is 1,5% within the complete temperature range and in the green operational area (see
Operating area on page 45).
Maximum reaction time for voltage failures (in case of the delay set to 0,00 s) is 2 periods of measured
voltage + 15 ms. This is valid at nominal frequencies 50 Hz ± 10% and 60 Hz ± 10%.
11.1.3 Frequency measurement
Frequency measurement is 0,1 Hz in the complete green operating area.
Maximum reaction time for frequency failures (in case of the delay set to 0,00 s) is 75 ms. This is valid in
complete green operating area.
11.1.4 Time delays accuracy
The unit allows to set the time delays with step 10 ms.
The maximum tolerance of the unit timing is ≤3% ± 15ms.
11.1.5 Loss of Mains reaction times
Reaction time of Vector shift protection is 1,5 period of measured signal + 15 ms.
11.2 Technical parameters
Power supply:
8 - 40 V
Maximum consumption 600 mA
Not galvanically separated from power supply 85 - 265 VAC!
85 - 265 V/45-65 Hz, 110 - 370V Maximum consumption 90 mA
Operating temperature range -20°C to +70°C
Heat radiation 13 W
Dimensions 158 x 96 x 68 mm
Protection IP20
Rated voltage 120 V / 230 V ph-n / 400 V ph-ph
Maximal voltage range Rated + 30%
Rated frequency of measured voltage
50 Hz,60 Hz
(indicated accuracy is guaranteed on frequency range 40-70 Hz)
Measurement input impedance: 400 kΩ
Signal relay contacts:
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