Operating requirements
Instruction handbook b maXX BM4400, BM4600, BM4700
Document No.: 5.12008.07 Baumüller Nürnberg GmbH
58
of 358
3.3
Below rated
supply voltage
The rated voltage is 3 x 400 V
The output power of the device reduces with lower system voltages.
Figure 26: Reducing the output voltage in dependence with the input voltage
Output power
Output voltage device
System voltage
207 V
400 V
528 V
177 V
370 V
498 V
Output power device
P
Rated
Continuous operation permit-
ted
System voltage
Figure 27: Reducing the output power in dependence of the system voltage
The output power of the device is obtained by multiplying the output current with the
output voltage.
S
Out
= U
Out
x I
Out
x 3
It is necessary to reduce the output current to a value between 400 V and 528 V, in or-
der to obtain the specified curve / surface.
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