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Type: Vacuum
Brand Name: SINOAMIGO JULI
Rated voltage: 12
Certificate: STL CCC
Model Number: ZW32-12
Place of Origin: China (Mainland)
Draw-able type: Fixed type
Phase distance: 340mm
Pole mounting: Outdoor type
Compact side design: Compact

Specifications

Outdoor Vacuum Circuit Breaker for pole mounting 12kV ZW32Outdoor Vacuum Circuit Breaker for pole mounting 12kV ZW32Outdoor Vacuum Circuit Breaker for pole mounting 12kV ZW32

Working condition
  • Altitude:1000m
  • Ambient air temperature:-40~ +40; Daily temperature difference:25
  • Wind speed:34m/s (Equal to 700Pa over cylindrical surface)
  • Earthquake intensty:8 degree
  • Relative humidity: Monthly average90%; Daily average95%
  • Ice thickness:10mm
  • Applicable occasions should free from inflammables, explosives, corrosives and severe vibrations
Product feature
  • Mini vacuum arc extinguish; High reliability; Small volume; Long life time; Fixed inside the epoxy resin.
  • Epoxy resin sealing anti-ozone,anti-ultraviolet;It is firm, light and convenience for transportation.
  • Spring Mechanism and Permanent Magnetic;Reliable performance, maintenance free.
  • Manual and motor closing & opening. It can be operated by manual and motor, a signal of C/O and storage in outside.
  • Switch case: Aluminum alloy material, Stainless steel and Armor plate.
  • Extension for disconnection switch voltage transformer and recloser control.

Technical parameter

Item Unit Data
Rated voltage kV 12
Rated frequency Hz 50
Rated current A 630
Rated short circuit breaking current kA 12.5/16/20
Rated withstand current (peak)
kA 31.5/40/50
Rated short-time withstand current (4s) kA 12.5/16/20
Rated short circuit closing current (peak) kA 31.5/40/50
Mechanical life Times Spring Operation 10000/Permanent Magnetic 30000
Rated operation order
Times O-0.3s-CO-180s-CO
Breaking times of rated short circuit breaking current
Times 30
Power frequency withstand voltage (1min) kV
Dry test-42/48(to ground, inter-pole/fracture) Wet test-34
Lightning impulse withstand voltage (peak) kV
75/85 ( inter-pole/fracture)
Closing time ms 25~60
Total breaking time ms ≤100
Arcing time ms ≤20
Rated input power of energy storage motor W 40
Rated operating voltage and auxiliary circuit rated voltage
V

DC220/110/24

AC220/110

Energy storage time under rated voltage
s ≤10
Rated current of over-current tripper A 5
Item Closing coil Opening coil over-current tripping coil
Rated voltage (V) 220 220
Rated working current(A)

AC:5

DC:3.2

AC:5

DC:0.8

5
Voltage and current rang under normal working Action on 65%-110% of rated voltage Action on 65%-110% of rated voltage avoid tripping under less than 30% of rated voltage Action on 65%-110% of rated voltage avoid tripping under less than 90% of rated voltage