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Ningbo Tianan Electric Group Co., Ltd.
China Manufacturer with main products: Transformer, Substation, LV and Hv Switchgear, RMU, Circuit Breaker, Current Transformer, PT, Fuse |
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>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 |
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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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