Short Lead Time for Automatic Reset Circuit Breaker - LW8A 110kV Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso

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Short Lead Time for Automatic Reset Circuit Breaker - LW8A 110kV Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso Detail:

High Voltage Circuit Breaker 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.

SF6 Circuit Breaker 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

Main technical data

No.	Item	Unit	Data
1	Ratedvoltage	KV	110
2	Ratedcurrent	A	2000/3150/4000
3	Ratedfrequency	HZ	50
5	Ratedshortcircuitbreakingcurrent	KA	31.5/40
6	Ratedshort-circuitcurrent(peak)	KA	100
7	Ratedshort-circuitwithstandcurrent	KA	31.5/40
10	Ratedshortcircuitclosingcurrent(peak)	KA	100
13	Electricallifeofratedshortcircuitbreakingcurrent	times	30
14	Ratedshortcircuitduration	s	4
15	Ratedlinechargingclosecurrent	A	31.5/40
16	Ratedoperationsequence		O-0.3s-CO-180s-CO

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From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of Short Lead Time for Automatic Reset Circuit Breaker - LW8A 110kV Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso, The product will supply to all over the world, such as: Estonia, Saudi Arabia, Surabaya, After years of development, we have formed strong ability in new product development and strict quality control system to ensure excellent quality and service. With the support of many long term cooperated customers, our products are welcomed all over the world.