2018 China New Design Molded Case Circuit Breaker - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso

2018 China New Design Molded Case Circuit Breaker - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso
We always get the job done being a tangible workforce making sure that we can easily give you the very best quality as well as finest selling price for Capacitor, Surge Arrester High Voltage, Surge Arrester, We have deep cooperation with hundreds of factories around China. The products we provide can match with your different demands. Choose us, and we won't make you regret!
2018 China New Design Molded Case Circuit Breaker - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso Detail:

Application

Actastheprotectingandcontrollingunitforgridequipmentsandindustrialminingenterprises’equipments,LW8A-40.5 type outdoor SF6 circuit breaker is an outdoor device used in AC 50HZ three-phase 40.5KV power system.It is applicable to locations that need frequent operating in rated current or under repeatedly on/off short circuit current. Containing the current transformer for measurement and protection, it can directly replace SW2-35 less oil circuit breaker and various types of oil circuit breaker with transition bracket. It can also be used as a tie breaker and switching capacitor group situations with CT14 type spring mechanism.

Features

Excellent breaking performance, short burning arc time, long life;

Mechanical life of more than 3000 times;

Operation frequently, each can be installed 12 current transformers;

New type SF6 MKZ pointer type density meter, pressure gauge reading is not affected by temperature changes;

Environmental Condition

Ambienttemperature:-30℃~+40℃

Altitude:≤3000m

Wind pressure:≤700Pa

Relative humidity:daily average relative humidity: ≤95%;monthly average relative humidity≤90;daily average saturated vapor pressure ≤2.2KPa;monthly average value ≤1.8KPa

Air pollution level:Ⅲ

Earthquake intensity:≤8 degree

The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution

Type designation

212

Main technical data

No. Item Unit Data
1 Ratedvoltage KV 40.5
2 Ratedcurrent A 2000
3 Ratedfrequency HZ 50
5 Ratedshortcircuitbreakingcurrent KA 31.5
6 Ratedshort-circuitcurrent(peak) KA 50
7 Ratedshort-circuitwithstandcurrent KA 20
10 Ratedshortcircuitclosingcurrent(peak) KA 50
13 Electricallifeofratedshortcircuitbreakingcurrent times 30
14 Ratedshortcircuitduration s 4
15 Ratedlinechargingclosecurrent A 31.5
16 Ratedoperationsequence   O-0.3s-CO-180s-CO
17 Splittime ms ≤60
18 Closingtime ms ≤100
19 Velocityofrigidcomposite m/s 3.2
20 Velocityofrigidity m/s 3.4
21 Mechanicallife times 6000
24 Qualityofeachcircuitbreaker kg 1400

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Product detail pictures:

2018 China New Design Molded Case Circuit Breaker - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso detail pictures

2018 China New Design Molded Case Circuit Breaker - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso detail pictures

2018 China New Design Molded Case Circuit Breaker - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso detail pictures


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