Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso

Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso
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Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso Detail:

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.

Altitude:3000m

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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ServiceEnvironment

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Product detail pictures:

Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso detail pictures

Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso detail pictures

Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso detail pictures

Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso detail pictures

Chinese Professional Earth Leakage Circuit Breaker - LW36-132 Outdoor High Voltage SF6 Gas Circuit Breaker – Aiso detail pictures


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