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    barry@rockwill.cn

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    +86-577-27869969

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LW36-145kV Outdoor SF6 Circuit Breaker

Model
Nature of the Manufacturer
Other
Product Category
The Outdoor Switchgear
Place of Origin
City, Province
Overview
The LW36-145 type outdoor SF6 gas circuit breaker is running in transmission line transformer substation or switching station for controlling using.It is live tank type high voltage sf6 gas insualted circuit breaker, It is widely in runing now worldwide with long life and reliable operating mechanism.
Product Details

Outdoor Live Tank SF6 Gas Circuit Breaker - Rockwill Brand

--- Class 110kV,126kV,132kV,145kV

<< The professional manufacturer of Outdoor and Indoor SF6 gas circuit breaker >>

Specifications:

ROCKWILL developed a LW36-145 type outdoor SF6 gas circuit breaker using modern processing technology and computer-aided design techniques, combined

with the latest generation of spring bodies and the advantages of a permanent institution. Its pursuit of high reliability, easy to maintain design concepts to create ageneration of superior product, is the most reliable electric power system and the best option.

ROCKWILL all series switches meet the following criteria:

ANS/IEEE C37.60/IEC 62271-100(GB1984-2003 China standard)

GBT11022-1999 China Standard
IEC 60255-11
IEC 60255-21-1 Class I
IEC 60255-21-2 Class I
IEC 60255-21-3 Class I
IEC 60255-22-1 Class III
IEC 60255-22-2 Class IV
IEC 60255-22-3 Class III
IEC 60255-22-4 Class IV

Using of the enviroment:

Ambient temperature:-40℃~+40℃, the daily average temperature:25℃;

Altitude:≤ 3000m(in excess of the value of technical discussions with the divisionI);

Wind speed:35m/s;

Earthquake intensity: not more than 8 degrees;

Degree of ambient air contamination level not greater than:III level;

Daily average ambient air relative humidity≤95%, on average≤90%;

Saturated vapor pressure of daily mean values≤ 2.2*10^(-3)MPa, on average≤1.8*10^(-3)MPa;

More about the use of environment conditions, please consult with the manufacturer.

Note: For short circuit breaking current & rated current is optional by clients.

No.ItemUnitData
1Rated voltageKV145
2Rated frequencyHz50/60
3Rated currentA3150
41min power frequency withstand voltageKV265
5Lingthning impluse withstand voltage(peak valueKV650
65 min power frequency voltage at zero gas pressureKV109
7Rated short circuit breaking currentKA80...100
8Rated out-of-phase breaking currentKA10
9Rated cable(line) charging breaking current(peak)A50
10Rated gas pressureMPa0.5
11Main loop resistance≤45
12Operation sequence O-0.3s-CO-180s-CO
13SF6 gas leakage rate(per year)%≤1
14Moisture content(V/V)ppm≤150
15Across the open contactsmm≥3950
Creepage distance 
TO earth≥3950
16Mechanical lifetimes10,000