9
Instruction Booklet
IB131006EN
Effective March 2019
Instructions for installation,
operation, and maintenance of type
VCP-W vacuum circuit breakers
EATON
www.eaton.com
Table 3. (ANSI Standards) type VCP-WC extra capability vacuum circuit breaker 5-27 kV rated symmetrical current basis.
Identification
Rated voltage
Circuit
breaker
type
Voltage
Insulation level
withstand test
Cont-
inuous
current
at
60 Hz
Short circuit current
Inter-
rupt-
ing
time
a
Max.
permis
sible
trip-
ping
delay
Transient
recovery
voltage
(RRRV)
c
Capacitor switching ratings
Mech-
anical
endur-
ance
No-
load
oper-
ations
Max.
voltage
V
Voltage
range
factor
K
Sym
inter-
rupting
at V
(Isc)
% DC
comp-
onent
(Idc)
Asym.
inter-
rupting
(It)
Closing
&
latching
capa-
bility
Short-
time
current
for 3
sec.
General
purpose
Definite purpose
Power
freq-
uency
(1 min.)
Lighten-
ing
impulse
1.2x50us
Isolated
shunt
capacitor
bank
current
Back to back capacitor
switching
Capacitor
bank
current
Inrush
current
Inrush
freq-
uency
KV rms
kV rms
kV peak
A rms
kA rms
total
%
kA rms
kA
peak
kA rms
Cycles
Sec.
kV / µs
A rms
A rms
kA
peak
kHz
50 VCP-W
40C
5.95
1
24
75
1200
2000
3000
40
75.
58
139
40
3
2
0.9
0.9
0.8
630
e
1000
e
—
15
18
—
3.5
2.7
—
10,000
10,000
5,000
50 VCP-W
50C
5.95
1
24
75
1200
2000
3000
50
57
57
52
64
64
62
139
50
3
2
0.9
0.9
0.8
630
e
1000
e
—
15
18
—
3.5
2.7
—
10,000
10,000
5,000
75 VCP-W
50C
10.3
1
42
95
1200
2000
3000
50
57
57
52
64
64
62
139
50
3
2
0.9
0.9
0.8
630
e
1000
e
—
15
18
—
3.5
2.7
—
10,000
10,000
5,000
150 VCP-W
25C
17.5
1
42
95
1200
2000
3000
25
50
75
75
31
36
36
97
b
25
3
2
0.95
0.9
0.8
600
f
1000
ef
—
20
18
—
3.5
2.7
—
10,000
10,000
5,000
150 VCP-W
40C
17.5
1
42
95
1200
2000
3000
40
75
58
139
40
3
2
0.9
0.9
0.8
630
d
630
d
250
d
630
ef
1000
ef
—
15
18
—
3.5
2.7
—
10,000
10,000
5,000
150 VCP-W
50C
17.5
1
42
95
1200
2000
3000
50
57
57
52
64
64
62
139
50
3
2
0.9
0.9
0.8
630
d
630
d
250
d
630
ef
1000
ef
—
15
18
—
3.5
2.7
—
10,000
10,000
5,000
150 VCP-W
63C
17.5
1
42
95
1200
2000
3000
63
61
61
61
83
83
83
175
63
3
2
1.07
1.07
1.07
200,1600
i
200,1600
i
200,1600
i
7.7
7.7
7.7
465
465
465
10,000
10,000
10,000
270 VCP-W
25C
27
1
60
125
1200
1600
25
75
36
85
25
h
3
2
1.1
400
20
4.2
2,500
270 VCP-W
32C
27
1
60
125
1200
1600
31.5
57
40
97
32
g
3
1
1.1
400
20
4.2
2,500
270 VCP-W
40C
27
1
60
125
1200
1600
40
50
49
104
40
g
3
1
1.1
400
20
4.2
2,500
a
3 cycles
b
Close & latch current for 1200 A Type 150 VCP-W 25C is proven at 15 kV. For sealed interrupters at high altitudes, switching voltage is not de-rated.
c
For higher RRRV contact Eaton for more information.
d
Breaker tested to 2700 A single bank switching for momentary load (Thermal derating must consider harmonic content of current waveform).
e
Breaker tested to 1270 A back-to-back switching for momentary load (Thermal derating must consider harmonic content of current waveform)
f
Capacitor switching ratings are proven at 15 kV. For sealed interrupters at high altitudes, switching voltage is not de-rated.
g
1 second
h
2 second
i
C37.04a-2003 class C2 @ 15 kV
Table 4. (IEC-56 Standards
a
) type VCP-W vacuum circuit breaker through 17.5 kV rated symmetrical current basis.
Identification
Rated values
Circuit
breaker type
Voltage class
Insulation level
Normal
current
Short circuit
breaking current
3 second short
time current
Short circuit
making current
Cable charging
breaking amps
Power
frequency
Impulse
withstand
Amperes
kA rms
kA rms
kV peak
Amperes
kV rms
kV rms
kV peak
36VCPW-ND25
36VCPW-ND32
3.6
3.6
10
10
40
40
630, 1250
630, 1250
25
31.5
25
31.5
63
79
25
25
72VCPW-ND25
72VCPW-ND32
7.2
7.2
20
20
60
60
630, 1250
630, 1250
25
31.5
25
31.5
63
79
25
25
36VCP-W25
36VCP-W32
36VCP-W40
3.6
3.6
3.6
10
10
10
40
40
40
630, 1250, 2000
1250, 2000
1250, 2000
25
31.5
40
25
31.5
40
63
79
100
25
25
25
72VCP-W25
72VCP-W32
72VCP-W40
7.2
7.2
7.2
20
20
20
60
60
60
630, 1250, 2000
1250, 2000
1250, 2000
25
31.5
40
25
31.5
40
63
79
100
25
25
25
120VCP-W25
120VCP-W32
120VCP-W40
12.0
12.0
12.0
28
28
28
75
75
75
630, 1250, 2000
1250, 2000
1250, 2000
25
31.5
40
25
31.5
40
63
79
100
25
25
25
175VCP-W25
175VCP-W32
175VCP-W40
17.5
17.5
17.5
38
38
38
95
95
95
1250, 2000
1250, 2000
1250, 2000
25
31.5
40
25
31.5
40
63
79
100
31.5
31.5
31.5
a
Interrupting time is 3 cycles at 50/60 Hz. Rated operating sequence 0-3 min- CO-3 min-CO.
