Technical Data; General Technical Data - ABB Zenith ZTX Series Operation, Maintenance, And Installation Manual

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7. Technical data

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7.1 General technical data

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Fig. 7.1 Power supply for control and power switching circuits
Automatic transfer switch, power circuit
Rated operational voltage U
Rated frequency f
Rated impulse withstand voltage U
Operating times
Automatic transfer switch, control circuit
Voltage supply
Operating voltage range
Voltage measurement accuracy
Rated frequency f
Operating frequency range
Frequency measurement accuracy
Rated impulse withstand voltage U
U/SOURCE 2
U/SOURCE 2
U/SOURCE 1
U/SOURCE 1
200-480 Vac
imp
See Table 7.2
200-480 Vac
imp
Operating voltage for
Operating voltage for
control circuit 200-480 Vac. control circuit 200-480 Vac.
Generator supply; min.
Generator supply; min.
power rating 20 kVA power rating 20 kVA
Value
50 / 60 Hz
12 / 8 kV
Value
Integrated, see Fig. 7.1
±20%
50 / 60 Hz
±20%
6 kV
45
Remark