Ningbo Tianan Electric Group Co., Ltd.| Manufacturer
Ningbo Tianan Electric Group Co., Ltd.

China Manufacturer with main products: Transformer, Substation, LV and Hv Switchgear, RMU, Circuit Breaker, Current Transformer, PT, Fuse

Home  >Products Catalog > Circuit Breaker > 34.5kV High Voltage Live Tank Circuit Breaker (LW36-40.5)

34.5kV High Voltage Live Tank Circuit Breaker (LW36-40.5)

FOB Price: 9,200.00 - 12,000.00 USD/Set
Supply Ability: 500 Set/Sets per Month
Shipping: 60 days to Ningbo / Shanghai port
Payment Terms: L/C, T/T
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: wooden case

Quick Details

  • Type: High Voltage
  • Model Number: LW36-40.5
  • Brand Name: Tianan Electric
  • Arc-extinguishing medium: SF6
  • Voltage rating: High voltage
  • Application: Substation, outdoor
  • Installation: Fixed
  • Certificate: KEMA, ISO, CCC
  • Standards: IEC, ANSI, GB etc.

Specifications

Product intruduction
LW36-40.5 outdoor self energy HV AC SF6 circuit breaker is an outdoor three phase HV AC equipment used in electricity grids with altitudes of no greater then 3000m, environment termperature of no less then -30oC, local pollution classes of no higher than Class IV, and AC 50Hz with maximum voltage of 40.5kV. It is suitable for the control and protection of HV supply and tranformation lines in power plants, transformer, stations, and industrial and mining enterprise. It can also be used as a connection circuit breaker.
LW36-40.5 self energy HV SF6 circuit breaker is equipped with advanced hot-expansion plus auxiliary pressure gas self-energy arc extinguishing technology and matched with new type spring actuating mechanism. It has features such as long electrical endurance, small operating power, high electrical and mechanical reliability, high technical parameters, and moderate price. It is the first choice product for current 40.5kV electircity grids.
Feature
Its main performance features are as follows:
1. High rated parameters
2.High electrical reliability
3.High reliability of operating mechanism
.
Main technical parameter 

1 Rated voltage
kV
40.5
2 Rated power frequency withstand voltage (1min)
 

 
2.1 To earth kV 95
2.2 Across open contact kV 118
3 Rated lightning impulse withstand voltage
 

 
3.1 To earth kV 185
3.2 Across open contact kV 215
4 Rated frequency Hz 50/60
5 Rated curent A 2500
6 Rated short-circuit breakering current (Isc) kA 31.5
7 Rated short-circuit making current (peak) kA 80
8 Rated hsort-time withstand current kA 31.5
9 Rated peak withstand current kA 80
10 Rated duration of short-circuit s 4
11 Rated operating sequence
 
o-0.3s-CO-180s-CO
12 Rated single capacitor bank breaking current A 630
13 Rated line charging brekaing current
 
50
14 Rated out of phase breaking current kA 8
15 Double earth fault breaking current kA 27.4
16 Mechanical endurance Times 10000
17 Number of rated short-circuit breaking current times 20
18 Rated SF6 gas pressure (20oC gauge pressure) Mpa 0.45
19 Gas refilling alarm pressure Mpa 0.4
20 Minimum functional pressure Mpa 0.35
21 Annual leakage of SF6 gas % ≤0.5
22 Gas humidity content (L/L) (20oC at handover) L/L ≤150x10-6

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