LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker

Short Description:

Do Better Performances in Demanding Duties
Yueqing Aiso gain client trust thanks to their proven reputation for reliability, performance and long life. LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker from Yueqing Aiso are available for original equipment manufacturers (OEM) to incorporate in their own installations or for use in repair, retrofit and upgrade projects.

Why Yueqing AIso?
1,Full engineering and technical support: 3 professional manufacturers, and technical service team.
2,Quality is No1 ,our culture.
3,Quickly lead times:”Time is gold” for you and for us
4,30min fast response:we have professional team,7*20H


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roduct Description

LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker:

SF6 live tank circuit breaker LW25-132 is outdoor unit which is developed by our company and Xi’an High Voltage Apparatus Research Institute with sulfur hexafluoride gas as insulation and arc extinguishing medium and principle of single variable pressure cabinet type arc extinguishing. The product is suitable for 126KV three-phase AC 50HZ power system, which is used for points and load current , overload current and short circuit current.

SF6 Circuir Breaker Advantages

a) Reliable breaking performance

b) Reliable mechanical operating performance:high operational reliability, mechanical life up to more than 10000 time

c) Reliable insulation

d) Reliablesealing performance

e) Strict process of product components

Environmental Conditions

Ambient temperature:-30°C~+40°CRelative humidity:≤95%or≤90%

Thedaily average saturated vapor pressure:≤2.2KPa;

Themonthly average value:≤1.8KPa.


Seismic intensity:≤8

Air pollution level:Level Ⅲ

Wind pressure:700pa

*The installation shall be free from fire, explosion, severe vibration, chemical corrosion and serious pollution.

Structure and Function

No. Item Unit Data
1 Rated voltage KV 132
2 Rated current A 3150
3 Rated frequency HZ 50
4 First pole to clear factor   1.5
5 Rated short circuit breaking current KA 40
6 Rated short-circuit current (peak) KA 100
7 Rated short-circuit withstand current KA 40
8 Rated power frequencywithstand voltage(1min) Phase to earth KV K·230
Phase to phase K·(230+70)
9 Rated lightning impulse withstand voltage Phase to earth KV K·550
Phase to phase K·(550+103)
10 Rated peak withstand current KA 100
11 Rated out of step current KA 10
12 Near fault current KA 90%1K
13 Electrical life of rated short circuit breaking current times 20
14 Rated short circuit duration s 4
15 Rated line charging close current A 31.5
16 Rated operation sequence   O-0.3s-CO-180s-CO35
17 Main circuit resistance μΩ ≤35
18 Rated SF6 gas pressure MPa 0.6
19 SF6 gas leakage rate ppm ≤0.55
20 Moisture content of SF6 gas (V/V)   ≤150
21 Mechanical life times 10000

Overall and installation dimension




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