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Electrical installation
4.6 Power connections
Table 4- 6
4.6.6
Adjusting the internal power supply (-T10)
A transformer (-T10) is installed in the Line Connection Module for the internal 230 V AC
power supply for the cabinet unit. The location of the transformer is indicated in the layout
diagrams supplied.
When delivered, the taps are always set to the highest level. The line-side terminals of the
transformer may need to be reconnected according to the existing line voltage.
The line voltage assignments for making the appropriate setting on the transformer for the
internal power supply are indicated in the following tables.
NOTICE
Material damage when the voltage is set too high
If the terminals are not reconnected corresponding to the actual line voltage, this can
damage the device if the voltage is set too high.
• Set the terminals in accordance with the actual line voltage.
Table 4- 7
76
Line voltage assignment for the setting at the fan transformer (3-phase 500 ... 690 V AC)
Line voltage
500 V ± 10%
525 V ± 10%
575 V ± 10%
600 V ± 10%
660 V ± 10%
690 V ± 10%
Line voltage assignments for the internal power supply (3 AC 380 ... 480 V)
Line voltage range
342 ... 390 V
391 ... 410 V
411 ... 430 V
431 ... 450 V
451 ... 470 V
471 ... 528 V
Taps of the fan transformer (-G1-T10, -T1-T10)
Tap
Adaptation transformer taps (-T10) LH1 – LH2
380 V
400 V
415 V
440 V
460 V
480 V
Operating Instructions, 12/2018, A5E36652151A
500 V
525 V
575 V
600 V
660 V
690 V
1 - 2
1 – 3
1 – 4
1 – 5
1 – 6
1 – 7
Enclosed Drives
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