Emerson MP25A4R User Manual

Safety
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information
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Installation
Electrical
installation
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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.
***
Main
AC Supply
Semiconductor
fuses
L1 L2
L3
L1 L2 L3
Isolator
E1
E3
L12 L11
F+
F-
Line
reactor
61
62
63
RLY2
A1
A2
DC fuse
for 4Q only
Field
on / off
21
22
23
24
25
26
27
28
29
30
31
24V
Drive
enable
Line
contactor
Input power
terminals
Armature
terminals
Auxiliary connections
Control connections
Motor
Fan supply (where applicable)
Line
contactor
coil
250Vac
maximum
10A
10A
***
Branch
fuses
Branch
fuses
**Optional
EMC
field
filter
**Optional EMC
armature filter
MA1
MA2
1

Emerson MP25A4R Specifications

General

Brand	Emerson
Model	MP25A4R
Category	DC Drives
Language	English