IB131006EN
Page 2
Effective 07/2017
BOOK MUST BE CAREFULLY READ AND
FOLLOWED IN ORDER TO OBTAIN OPTIMUM
PERFORMANCE FOR LONG USEFUL LIFE OF THE
CIRCUIT BREAKER ELEMENTS.
WARNING
THE CIRCUIT BREAKERS DESCRIBED IN THIS
BOOK ARE DESIGNED AND TESTED TO OPERATE
WITHIN THEIR NAMEPLATE RATINGS.
OPERATION OUTSIDE OF THESE RATINGS MAY
CAUSE THE EQUIPMENT TO FAIL, RESULTING IN
DEATH, BODILY INJURY AND PROPERTY
DAMAGE.
ALL SAFETY CODES, SAFETY STANDARDS
AND/OR REGULATIONS AS THEY MAY BE
APPLIED TO THIS TYPE OF EQUIPMENT MUST BE
STRICTLY ADHERED TO.
1-3 TYPE VCP-W VACUUM CIRCUIT BREAKER ELEMENT RATINGS (TABLES 1.1, 1.2, 1.3, 1.4, 1.5, 1.6 AND 1.7)
1.1 (ANSI Standards
) Type VCP-W Vacuum Circuit Breaker Through 15 kV Rated Symmetrical Current Basis
Identification
Rated Values
Circuit
Breaker
Type
Nominal
Voltage
Class
Nominal
3-Phase
MVA
Class
Voltage
Insulation Level
Current
Inter-
rupting
Time
Permis-
sible
Tripping
Delay
Y
Maximum
Voltage
Divided
By K
E/K
Current Values
Maximum
Voltage
E
Voltage
Range
Factor
K
Withstand Test
Voltage
Continuous
Current
at 60 Hz
Short
Circuit
Current
(at Rated
Max. kV)
I
Maximum
Symmetrical
Interrupting
Capability
K Times
Rated Short
Circuit
Current
Closing
and
Latching
Capability
2.7 K
Times
Rated
Short
Circuit
Current
Closing
and
Latching
Capability
Momentary
1.6 K
Times
Rated
Short
Circuit
Current
Power
Frequency
(1 Min.)
Impulse
kV
MVA
kV rms
kV rms
Amperes
kA rms
Cycles
Seconds
kV rms
kA rms
kA Peak
kA rms
50VCPW-ND250 4.16
250 4.76 1.24 19 60 1200 29 5 2
3.85 36 97 58
50VCP-W250 4.16
250
4.76
1.24
19
60
1200
2000
3000
29 5 2 3.85 36 97
132
58
78
50VCP-W350 4.16
350
4.76
1.19
19
60
1200
2000
3000
41 5 2 4.0 49 132 78
50VCP-W63 (500)
4.16
500
4.76
1.00
19
60
1200
2000
3000
63 5 2 4.76 63 173 101
75VCP-W500 7.2
500
8.25
1.25
36
95
1200
2000
3000
33 5 2 6.6 41 111 66
150VCP-W500 13.8
500 15 1.30
36 95 1200
2000
3000
18 5 2 11.5 23 62
97
37
58
150VCP-W750 13.8
750 15 1.30
36 95 1200
2000
3000
28 5 2 11.5 36 97
130
58
77
150VCP-W1000 13.8
1000 15 1.30 36 95 1200
2000
3000
37 5 2 11.5 48 130 77
150VCP-
W63(1500)
13.8 1500 15
1.00 36
95
1200
2000
3000
63 5 2 15.0 63 173 101
Applicable ANSI Standards C37.04-1979, C37.09-1979 andC37.01987.
Operating Duty Cycle CO-15 seconds-CO. Operating Time Values:
Opening 30-45 ms, Closing 45-60 ms and Reclosing 18 cycles (300 rms).
Non-standard circuit breakers with High Close and Latch (momentary)
Rating for special applications.
Consult Application Data 32-265 for further information.
Optional interrupting time of 3 cycles is available.
Also 3-second short time current carrying capability.
Summary of Contents for VCP-W
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