Vacuum Circuit Breaker (VCB) VZ type

Vacuum Circuit Breaker (VCB) VZ type image

Feature

  • Conform to IEC 60056 (1987).
  • Interchangeable with VK type VCB.
  • Third party certificates are acquired. (KEMA, CESI)
  • 4000A current rating can be applied.
  • Mechanical interlocks for safety are provided.

Specification

For 7.2kV Specification List

For 7.2kV Specification List
TYPE FORM (*1) VZ-6J16 VZ-6J25
VZ-6M25
VZ-6P25
VZ-6M32
VZ-6P32
VZ-6M40
VZ-6P40
VZ-6Q40
VZ-6R40
Installation Drawout type
Closing system Motor spring operation
Applicable standard JEC-2300(1998)/IEC 60056(1987)
Rated Voltage 7.2kV
Rated Current J : 600/630A J : 600/630A
M : 1200/1250A
P : 2000A
M : 1200/1250A
P : 2000A
M : 1200/1250A
P : 2000A
Q : 3000/3150A
R : 4000A
Rated Frequency 50, 60Hz
Rated Interrupting current 16kA 25kA 31.5kA 40kA
Rated Making current 40kA 63kA 80kA 100kA
Rated Short time withstand current 16kA-2s /
16kA-3s
25kA-2s/
25kA-3s
31.5kA-2s/
31.5kA-3s
40kA-2s/
40kA-3s

For 12kV Specification List

For 12kV Specification List
TYPE FORM (*1) VZ-10J16 VZ-10J25
VZ-10M25
VZ-10P25
VZ-10M40
VZ-10P40
VZ-10Q40
VZ-10R40
Installation Drowout type
Closing system Motor spring operation
Applicable standard JEC-2300(1998)/IEC 60056(1987)
Rated Voltage 12kV
Rated Current J : 600/630A J : 600/630A
M : 1200/1250A
P : 2000A
M : 1200/1250A
P : 2000A
Q : 3000/3150A
R : 4000A
Rated Frequency 50, 60Hz
Rated Interrupting current 16kA 25kA 40kA
Rated Making current 40kA 63kA 100kA
Rated Short time withstand current 16kA-2s/16kA-3s 25kA-2s/25kA-3s 40kA-2s/40kA-3s

For 24kV Specification List

For 24kV Specification List
TYPE FORM (*1) VZ-20J16
VZ-20M16
VZ-20J25
VZ-20M25
VZ-20P25
Installation Drawout type
Closing system Motor spring operation
Applicable standard JEC-2300(1998)/IEC 60056(1987)
Rated Voltage 24kV
Rated Current J : 600/630A
M : 1200/1250A
J : 600/630A
M : 1200/1250A
P : 2000A
Rated Frequency 50, 60Hz
Rated Interrupting current 16kA 25kA
Rated Making current 40kA 63kA
Rated Short time withstand current 16kA-2s/16kA-3s 25kA-2s/25kA-3s

*1 : Type form configuration

Type form configuration(1) image

*2 : Type form configuration

Type form configuration(2) image
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