Improved Outdoor High Voltage AC Isolation Switch Disconnector

Product Details
Customization: Available
Breaking Capacity: High Voltage Circuit Breakers
Operation: Electric Type
Manufacturer/Factory & Trading Company
Gold Member Since 2024

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  • Improved Outdoor High Voltage AC Isolation Switch Disconnector
  • Improved Outdoor High Voltage AC Isolation Switch Disconnector
  • Improved Outdoor High Voltage AC Isolation Switch Disconnector
  • Improved Outdoor High Voltage AC Isolation Switch Disconnector
  • Improved Outdoor High Voltage AC Isolation Switch Disconnector
  • Improved Outdoor High Voltage AC Isolation Switch Disconnector
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  • Overview
  • General
  • Service environment
  • Key Feature
  • Product Parameters
  • Certifications
  • Workshop
  • Packaging & Shipping
Overview

Basic Info.

Model NO.
GW4A-12
Speed
Normal Type Circuit Breaker
Arc-extinguishing Medium
Vacuum
Installation
Fixed
Structure
ACB
Poles Number
1
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
Certification
ISO9001-2000, CCC
Rated Voltage
12
Rated Frequency
50
Rated Current
630/1250/2000/2500
Rated Short-Time Withstand Current
20/25/31.5/40
Transport Package
Carton
Specification
medium
Trademark
BDN
Origin
China
HS Code
85353090
Production Capacity
500

Product Description

General

 

Outdoor high-voltage AC isolation switch (hereinafter referred to as the "isolation switch"), for rated frequency 50 Hz outdoor high-voltage switchgear, for 1 0kV high-voltage lines in the case of voltage and no load to change. And the maintenance of high-voltage bus, circuit breaker and other electrical equipment and live high-voltage line for electrical isolation, can also be used for splitting small capacitive current and inductive current.The isolation switch complies with GB 1985-2014 "High voltage AC isolation switch and ground switch", DL/T 486-2010 "High voltage AC isolation switch and ground switch" and other technical standards.

Service environment

 
  • Altitude: not more than 1000m, if the altitude is higher than 1000m, the rated insulation level should be corrected accordingly;

  • Ambient temperature: upper limit +40ºC, lower limit -40ºC, the average temperature of the hottest month 30ºC, the maximum daily temperature difference 25K;

  • Solar radiation intensity (outdoor) : 0.1W/cm2;

  • Wind speed/wind pressure (outdoor) : 34m/s (700Pa);

  • Pollution grade: e;

  • Ice thickness: ≤20mm;

  • Humidity: average daily relative humidity ≤95%, average monthly relative humidity ≤90%;

  • Earthquake resistance: horizontal acceleration 0.3m /s2, vertical acceleration 0.15m /s2;

  • Safety factor: sinusoidal resonance three cycles, safety factor above 1.67

Key Feature

 
  • Isolating switch with double column, contact into open type structure, has the ability of self cleaning contact, improve the contact reliability;

  • Finger made of new material with high strength, high conductivity, high elastic. Relying on the elastic contact finger clamping itself, to avoid the spring corrosion, contact clamping fever caused by annealing

  • Force to reduce the contact resistance increases, the contact heat intensified the vicious spiral.

  • The rotating part according to the design requirements of the isolating switch maintenance free. The rotating seat designed seal structure,moisture, dust and harmful gas can not enter, bearing, molybdenum disulfide lithium base grease will never work in

  • A good environment, bearing, never rust, grease can not be lost, never dry up, the isolation switch operating torque will increase after long term operation. Stainless steel shaft and oil-free self-lubricating bearing

  • With the structure of steel by hot dip galvanizing, ensure the isolation switch operation is flexible, portable and reliable, never rust.

Product Parameters

Name Unit Data
Rated voltage kV 12
Rated frequency Hz 50
Rated current A 630 1250 2000 2500
Rated short-time withstand current kA 20/25 25/31.5 31.5 31.5/40
Rated short-time withstand current(peak) kA 50/63 63/80 80 80/100
Rated short-time power frequency withstand voltage kV/min 42/1(phase to phase,to earth)
48/1(open contact)
Rated lightning impulse withstand voltage kV 75(phase to phase,to earth)
85(open contact)
Rated short-time withstand current duration S 4(disconnecting switch),2(earthing switch)
Loop residence μΩ ≤100 ≤80
Outer insulation creep age distance mm ≥372(Class e anti-fouling)
Mechanical life Times 2000(disconnecting switch/earthing switch)

Certifications

 

Improved Outdoor High Voltage AC Isolation Switch Disconnector

Workshop

 

Improved Outdoor High Voltage AC Isolation Switch Disconnector

Packaging & Shipping

 

Improved Outdoor High Voltage AC Isolation Switch DisconnectorImproved Outdoor High Voltage AC Isolation Switch DisconnectorImproved Outdoor High Voltage AC Isolation Switch DisconnectorImproved Outdoor High Voltage AC Isolation Switch DisconnectorImproved Outdoor High Voltage AC Isolation Switch DisconnectorImproved Outdoor High Voltage AC Isolation Switch DisconnectorImproved Outdoor High Voltage AC Isolation Switch Disconnector

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