Typical Vcp-W Dc And Ac Control Schemes - Eaton 50VCPW-ND250 Installation, Operation And Maintenance Manual

Page 28
P
N
1
SPRING
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
– Secondary Disconnect
Figure 5-5 Typical VCP-W DC and AC Control Schemes
ANSI STANDARD VCP-W BREAKER DC CONTROL SCHEMATIC '96
CS
SPRING
WL
CHARGED C
INDICATING
LIGHT
2
1 4
LS1
bb
Y
M
PS2
PS1 Y
24
ANSI STANDARD VCP-W BREAKER AC CONTROL SCHEMATIC '96
CS
WL
C
2
4
7
Y
Y
SR
PS1 Y LS2
bb
6
CS
GL PR
RL
T
5 6
7
7 8
Y
a
b
SR
ST
a b
1
b
a
LC
18 17
LS2 LS2
bb aa
6
21 19
20
NOT AVAILABLE WHEN SECOND
TRIP COIL OPTION IS CHOSEN.
GL
RL
5 9
AC (+)
CAP TRIP DEV a
a
b
AC (-)
ST
1
b
LC
LS2
aa
21 20 19
16
OPERATION
LS1 Closed until springs
bb are fully charged
LS2 Open until springs
aa are fully charged
LS2 Closed until springs
bb are fully charged
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
11
UV
14
9
10 3
12
a b a b
a
16 15
22
ST
2
a
13
OPTIONS
11
CS
PR
T
UV
6
14
7
8
10 3
12
a b b a b
a
a
18 17 15 22
ST
2
a
13
NOT AVAILABLE WHEN SECOND
TRIP COIL OPTION IS CHOSEN.
OPTIONS
SWITCH TERMINAL
'C' and 'NO' Brown Switch
'C' and 'NC'
Black Switch
'C' and 'NO'
'C' and 'NO'
'C' and 'NC'
'C' and 'NO'
I.B. 32-255-1G
11
UV
14
FOR AC UV
TRIP ONLY
Effective 12/02