Typical Vcp-Wr "Dc" And "Ac" Control Schematics - Eaton Cutler-Hammer VCP-WR 18 Series Instructions For The Use, Operation And Maintenance

Page 30
VCP-WR (18, 20, 29) BREAKER DC CONTROL SCHEMATIC
P
SPRING
WL
CHARGED
INDICATING
LIGHT
2
1
LS1
bb
M
PS2
24
N
VCP-WR (18, 20, 29) BREAKER AC CONTROL SCHEMATIC
1
SPRING
WL
CHARGED
INDICATING
LIGHT
1
LS1
bb
M
PS2
24
2
CS – Breaker Control Switch – close
C
CS – Breaker Control Switch – trip
T
Y – Anti Pump Relay
SR – Spring Release Coil (Close Coil)
M – Spring Charging Motor
ST – Shunt Trip Coil
PR – Protective Relay
O – Terminal Block or Accessible Terminal
PS1 – Position Switch 1
PS2 – Position Switch 2
Figure 6-2 Typical VCP-WR "DC" and "AC" Control Schematics
REMOVE JUMPER AND CONNECT ST2
COIL WHEN ST2 OPTION IS USED.
CS
GL
C
5
4
7
Y
Y
b
SR
b
LC
PS1 Y LS2 LS2
bb aa
6
21
20
CS
C
2
4
7
Y
Y
SR
b
LC
Y LS2 LS2
PS1
bb aa
6
21
CS
PR
RL
T
6
7
8 9
10 13 3
a
ST
a b a b a b
1
a
18 17 16 15 23 22
19
NOT AVAILABLE WHEN
SECOND TRIP COIL
OPTION IS CHOSEN.
REMOVE JUMPER AND CONNECT ST2
COIL WHEN ST2 OPTION IS USED.
CS
GL RL PR
T
9
5
7
8
AC (+)
CAP TRIP DEV
a a
b
AC (-)
a b
ST
1
a
18 17
16 19
20
NOT AVAILABLE WHEN
SECOND TRIP COIL
OPTION IS CHOSEN.
OPERATION
LS1 Closed until springs are fully charged
bb
LS2 Open until springs are fully charged
aa
LS2 Closed until springs are fully charged
bb
LC Open until mechanism is reset
PS1 Open in all except between 'Test'
and 'Connected' positions
PS2 Closed in all except between 'Test'
and 'Connected' positions
I.B. 8295A61H03
a b a a
b b b a
11
2ND AUXILIARY SWITCH OPTIONAL
VCP-WR SERIES (18 OR 29)
UV
b a b a b a b a
14
3RD AUXILIARY SWITCH OPTIONAL
12
VCP-WR SERIES (29)
7
51
a
MUST ADD JUMPERS AT TERMINAL BLOCK
52
WHEN ST2 OPTION IS USED.
18
23
ST
2
a
13
OPTIONS
b a b a
11
2ND AUXILIARY SWITCH OPTIONAL
VCP-WR SERIES (18 OR 29)
UV
b a b a
10 13 3
3RD AUXILIARY SWITCH OPTIONAL
14
VCP-WR SERIES (29)
12
MUST ADD JUMPERS AT
b a b
TERMINAL BLOCK WHEN
7
ST2 OPTION IS USED.
51
a
15 23 22
52
18
23
ST
2
a
13
OPTIONS
SWITCH TERMINAL
'C' and 'NO' Brown Switch
'C' and 'NC'
Black Switch
'C' and 'NO'
'C' and 'NO'
'C' and 'NC' Black Switch
'C' and 'NO' Brown Switch
b a
b a
b a b a b a
b a b a b a
11
UV
14
FOR AC UV
TRIP ONLY
Effective 7/97