Figure 2-12 Adaptation Of Fan Voltage - Siemens MICROMASTER 430 Operating Instructions Manual

Issue 10/06
Adaptation of fan voltage (only for framesize FX and GX)
A transformer is installed to adapt the existing line voltage to the fan voltage.
It may be necessary to reconnect the transformer terminals on the primary side to
coincide with the existing line power.

Figure 2-12 Adaptation of fan voltage

CAUTION
If the terminals are not reconnected to the actually present line voltage, the fan
fuses can blow.
Replacement for fan fuses
Frame size
FX (90 kW CT)
FX (110 kW CT)
GX (132-200 kW CT)
MICROMASTER 430 Operating Instructions
6SE6400-5AE00-0BP0
0V 1L380V 1L400V 1L440V
Connect according input voltage
Fuses (2 each) Recommended fuses
1 A / 600 V / slow-acting Cooper-Bussmann FNQ-R-1, 600 V
or comparable fuse
2,5 A / 600 V / slow-acting Ferraz Gould Shawmut ATDR2-1/2, 600 V
or comparable fuse
4 A / 600 V / slow-acting Ferraz Gould Shawmut ATDR4, 600 V
or comparable fuse
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2 Installation
1L480V -
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