Eaton 150VCP-WG50 - Page 12

Close and Latch
Capability
Momentary
kA Peak
Identification Rated Values
Circuit Voltage
➁
Insulation Level Normal Current Short Circuit Transient Recovery Voltage Short Short Cable
Breaker Type Power Lightening Breaking U
c
t
3
t
d
Time Circuit Charging
Frequency Impulse Current (3 Second) Making Breaking
Withstand Current Current Current
kV rms kV rms kV Peak Amperes kA rms kA Peak µs µs kA rms kA Peak Amperes
240VCP-W16 24 60 125 630 16 41 88 13 16 40 31.5
1250
2000
240VCP-W20 24 60 125 630 20 41 88 13 20 50 31.5
1250
2000
240VCP-W25 24 60 125 630 25 41 88 13 25 63 31.5
1250
2000
I.B. 32-255-1G
Page 4
Effective 12/02
Table 1.5 (IEC-56 Standards
➀
) Type VCP-W Vacuum Circuit Breaker Through 17.5 kV Rated Symmetrical Current Basis
➀ Interrupting time is 3 cycles at 50/60 Hz. Rated operating sequence 0-3 min-
CO-3 min-CO.
Table 1.6 (IEC-56 Standards
➀
) Type VCP-W Vacuum Circuit Breaker Through 24 kV Rated Symmetrical Current Basis
➀ CESI certified for rated operating sequence: O-0.3 seconds-CO-15 seconds-CO
in accordance with IEC 56. Consult Cutler-Hammer for CESI certificates on file.
➁ Tested at 28.5 kV.
Identification Rated Values
Circuit Voltage Class Insulation Level Normal Current Short Circuit 3 Second Short Short Circuit Cable Charging
Breaker Type Power Frequency Impulse Withstand Breaking Current Time Current Making Current Breaking Amps
kV rms kV Peak kV Peak Amperes kA rms kA rms kA Peak Amperes
36VCPW-ND25 3.6 10 40 630, 1250 25 25 63 25
36VCPW-ND32 3.6 10 40 630, 1250 31.5 31.5 79 25
72VCPW-ND25 7.2 20 60 630, 1250 25 25 63 25
72VCPW-ND32 7.2 20 60 630, 1250 31.5 31.5 79 25
36VCP-W25 3.6 10 40 630, 1250, 2000 25 25 63 25
36VCP-W32 3.6 10 40 1250, 2000 31.5 31.5 79 25
36VCP-W40 3.6 10 40 1250, 2000 40 40 100 25
72VCP-W25 7.2 20 60 630, 1250, 2000 25 25 63 25
72VCP-W32 7.2 20 60 1250, 2000 31.5 31.5 79 25
72VCP-W40 7.2 20 60 1250, 2000 40 40 100 25
120VCP-W25 12.0 28 75 630, 1250, 2000 25 25 63 25
120VCP-W32 12.0 28 75 1250, 2000 31.5 31.5 79 25
120VCP-W40 12.0 28 75 1250, 2000 40 40 100 25
175VCP-W25 17.5 38 95 1250, 2000 25 25 63 31.5
175VCP-W32 17.5 38 95 1250, 2000 31.5 31.5 79 31.5
175VCP-W40 17.5 38 95 1250, 2000 40 40 100 31.5
Table 1.4 (ANSI Standards) Type VCP-WG Generator Vacuum Circuit Breaker Through 5-15 kV Rated Symmetrical
Current Basis
Circuit
Breaker Type
50VCP-WG50
50VCP-WG63
150VCP-WG50
150VCP-WG63
Voltage
Maximum Voltage
Voltage Range Factor
E K
kV rms
Insulation Level
Withstand Test Voltage
Power Frequency Impulse
(1 minute)
kV rms kV Peak
Current
Continuous Short Circuit
Current Current (at Rated
at 60 Hz Maximum kV)
I
Amperes kA rms
Interrupting
Time
Cycles
Permissible
Tripping
Time
Y
Seconds
Maximum
Voltage
Divided by K
E/K
kV rms
Peak
Voltage
E2
kV
Time-to-
Peak
t2
µs
4.76 1 19 60
4.76 1 19 60
15.0 1 36 95
15.0 1 36 95
1200
2000
3000
1200
2000
3000
1200
2000
3000
1200
2000
3000
50 3 2 4.76 27 8.8 137
63 3 2 4.76 28 9.0 173
50 3 2 15.0 27 3.5 137
63 3 2 15.0 28 3.5 173
Identification Rated Values