Watson-Marlow MM440 User Manual
Page 41
Issue 10/06
2 Installation
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0
41
Adaptation of fan voltage (only for frame size 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.
Connect according input voltage
0V 1L380V
1L400V 1L440V
1L480V -
Fig. 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
Fuses (2 each)
Recommended fuses
FX (90 kW CT)
1 A / 600 V / slow-acting
Cooper-Bussmann FNQ-R-1, 600 V
or comparable fuse
FX (110 kW CT)
2,5 A / 600 V / slow-acting
Ferraz Gould Shawmut ATDR2-1/2, 600 V
or comparable fuse
GX (132-200 kW CT) 4 A / 600 V / slow-acting
Ferraz Gould Shawmut ATDR4, 600 V
or comparable fuse