12
Instruction Book
IB02707112E
August 2015
50/75VCPW-VSR
Breaker To Vacuum Starter Replacement Unit
EATON CORPORATION www.eaton.com
Figurt 4.1. Typical CNnorNl Schtmaoic
Figurt 4.2. SL FrNno and Rtar Vitw MajNr CNmpNntnos
SL Front View Major Components
1
Frame
8
Vacuum Interrupter
2
Front Mounting Holes (4)
9
Standoff Insulator (3)
3
Operating Plate
10 Main Shaft
4
Auxiliary Contact Operating Lever
11 Moving Armature Plate
5
Standard Auxiliary Contacts
12 Optional Auxiliary Contacts
6
Coil Control Board & Terminal Block
13 Stop Assembly
7
Axial Magnetic Coil (3) SL400 Only
14 Base Plate
SL Back View Major Components
1
Rear Mounting Holes (2)
5
Upper Terminals (3)
2
Shunt Supports (6)
6
Lower Terminals (3)
3
Coils (2)
7
Locknut For Return Spring Bolt
4
Coil Mounting Angle
1
2
4
3
5
6
7
8
9
10
11
12
13
14
1
2
4
3
5
6
7
13
b
22
8
b
17
10
b
15
7
PR
CS
T
CS
C
6
9
5
a
b
1
2
4
1
CC
1
CC
2
2
CB
MX
TF
Y
21
24
20
16
PS
PS
FU
FU
SPRING CHARGE INDICATING
LIGHT NOT AVAILABLE
WITH VSR-SERIES UNITS
(+)
(-)
Y
a
INT
MX
Y
VAC CONTROL
W
G
R
7
8
TC
AC
CAP TRIP
DEVICE
AC
-
+
a
a
19
a
18
AUXILIARY CONTACTS
