12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)

Product Details
Customization: Available
Breaking Capacity: High Voltage Circuit Breakers
Operation: Electric Type
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  • 12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)
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Basic Info.

Model NO.
ZW32-12M
Arc-extinguishing Medium
Air
Installation
Fixed
Structure
Vcb
Poles Number
3
Type
Vacuum Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Certification
ISO9001-2000, CE, CCC, GB
Rated Current
630A,1250A
Rated Short Circuit Duration
4s
Short Circuit Making Current (Peak
50ka
Mechanical Life
30000 Times
Rated Operating Sequence
O-0.3s-Co-180s-Co
Transport Package
Plywood Case
Specification
0.5m3
Trademark
VACEM
Origin
Wenzhou, China
HS Code
85352100

Product Description

1. General description

     ZW32-12M series outdoor H.V. permanent magnetic vacuum circuit breaker is used in tri-phase electric system of AC 50 Hz, rated voltage 12kV. It is suitable for breaking, closing load current, overload current and short-circuit current, and for substation and industry-mining enterprises or the rural electrical power distribution system.

2. Main functional characteristic

  a. Automatic control function: the circuit breaker has the function of switching status control, three-sect over current protection, three auto-reclosure, as well as RS-485 communication connector to achieve remote-measurement, remote-adjustment, remote-controlling, remote-communication, suitable for different automatic power distribution system.
  b. Permanent magnetic mechanism operation: the circuit breaker adopts the most advanced permanent magnetic mechanism operation in the world, the spare parts without abrasion, the mechanism life achieve 30,000 times, three multiples than common spring mechanism. With reduction 70% on machine spare parts for permanent magnetic mechanism, the reliability of switching improved much highly.
  c. Full-sealed structure design: the vacuum interrupter, mechanism operation and operation link are sealed together inside vacuum circuit base, avoids the condensation pocking for circuit breaker, the product could keep for 10 years with non-maintaining.
  d. Miniaturization structure: the circuit breaker adopts new type compound solid isolated material, make the vacuum interrupter, main galvanic circle, isolation supporting as a group organically to be an integrated embedded pole, ultimately solves the contradiction between vacuum interrupter miniaturization and outside isolation requirement.
  The design of the product is advanced, reasonable, compact structure, non-condensation inside, no pocking of the mechanism.

3.Main technical parameter
 
Item Unit Data
Rated voltage kV 12
Rated frequency Hz 50
Rated current A 630,1250
Rated short-circuit breaking current kA 16, 20
Rated short time withstand current kA 16, 20
Rated peak withstand current (peak) kA 40, 50
Rated short circuit duration S 4
Rated short circuit making current (peak) kA 50
1min P.F. withstand voltage phase to phase, to earth kV 42
1min P.F. withstand voltage fracture kV 48
Lightning impulse withstand voltage phase to phase, to earth kV 75
Lightning impulse withstand voltage fracture kV 85
Rated operating sequence kV O-0.3s-CO-180s-CO
Rated current breaking times time 10000
Rated short-circuit current breaking times time 50
Mechanical life time time 30000
Secondarycircuit1min power frequency withstand voltage (except for electronic unit) V 2000

4.International fairs

12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)

5. Company show
12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32)

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