Safety 
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Product 
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Mechanical 
Installation
Electrical 
installation
Getting 
started
Basic 
parameters
Running the 
motor
Optimization
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operation
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Mentor MP User Guide                       33
Issue: 3                        www.controltechniques.com
4.1      Electrical connections
Refer to Figure 4-1 and Figure 4-2 to understand the function of the different power connections
Figure 4-1 Power connections for 480V drive
1. End user must provide 230 / 115Vac supply for the internal fans on frame sizes C and D, see section 4.12 on page 49.
* For fuse ratings refer to section 4.6 Cable and fuse size ratings on page 38.
**For further information on EMC filters, see section 4.9.3 EMC filter information on page 47.
AC Supply
Semiconductor
fuses
L1 L2
L3
L1 L2 L3
Isolator
A1
A2
DC fuse 
for 4Q only
Field
terminals
Armature
terminals
Auxiliary connections
Control connections
Motor
Fan supply (where applicable)
10A
10A
***
Branch
fuses
Branch
fuses
 EMC
 field
 filter
**Optional EMC
armature filter
MA1
MA2
1