ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker

ZW8-12 Outdoor High Voltage Vacuum Circuit Breaker

ZW8-12 series adopts vacuum arc extinguishing chamber, air insulation and electric spring operating mechanism, which makes the product have strong arc extinguishing ability, high short-circuit breaking times, no fire and explosion hazard and convenient operation.

Feature

Adopts Vacuum Arc Extinguishing Chamber, Air Insulation and Electric Spring Operating Mechanism, Which Makes The Product have Strong Arc Extinguishing Ability, High Short-Circuit Breaking Times, No Fire and Explosion Hazard and Convenient Operation

Product with Excellent Performance

Can be Used Reliably Under Severe Environmental Conditions

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Product Introduction

Product Overview

 

ZW8-12 series adopts vacuum arc extinguishing chamber, air insulation and electric spring operating mechanism, which makes the product have strong arc extinguishing ability, high short-circuit breaking times, no fire and explosion hazard and convenient operation. It is a kind of product with excellent performance. Practical products.

The overall structure of this product adopts three-phase common box type, with casing inlet and outlet lines. The box body is dry coal air. The electric spring operating mechanism is arranged on the side of the box, which can be used reliably under severe environmental conditions.

The vacuum interrupter of this product adopts ceramic shell, cup-shaped longitudinal magnetic field contact structure and copper chromium contact material, which has excellent ability of breaking and closing short-circuit current.

The product has the advantages of small volume, light weight and beautiful appearance. The vacuum interrupter and insulating support sleeve are compact in design, and the outgoing conductive rod is injected with silicone rubber, which can adapt to harsh weather conditions and dirty environment.

 

 

technical parameter

 

Item

Parameter

Item

Parameter

Rated voltage

12kV

Rated operating sequence

open-0.3sclose open-180s close open

Rated current

630A

Rated short-circuit current breaking times

30 times

power-frequency withstand voltage

42kV/48kV

Mechanical life

10000 times

lightning impluse withstand voltage(peak)

75kV/85kV

Rated operating voltage(closing/opening coil)

DC220V聽 AC220V

Rated short-circuit breaking current(effective value)

25kV

Allowable wear thickness of moving and stationary contacts

3mm

Rated short-circuit making current(peak)

50kV

Disconnection distance of isolation fracture

>200mm

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