Manufacturer of Changeover Switch Mcb - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso

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Manufacturer of Changeover Switch Mcb - 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

 

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

Please contact us for more details and price details.

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The corporation keeps to the operation concept "scientific management, superior quality and performance primacy, consumer supreme for Manufacturer of Changeover Switch Mcb - LW8A Outdoor High Voltage SF6 Circuit Breaker With Good Quality – Aiso, The product will supply to all over the world, such as: Doha, Croatia, Riyadh, Our company always provides good quality and reasonable price for our customers. In our efforts, we already have many shops in Guangzhou and our products have won praise from customers worldwide. Our mission has always been simple: To delight our customers with best quality hair products and deliver on time. Welcome new and old customers to contact us for the future long term business relationships.