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| Categories | SF6 Circuit Breaker |
|---|---|
| Brand Name: | XG |
| Model Number: | LW8A |
| Certification: | ISO |
| Place of Origin: | XIAN,CHINA |
| MOQ: | 1 SET |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 2000 SET |
| Delivery Time: | 7-15 DAYS |
| Packaging Details: | WOODEN CASE |
| Name: | SF6 Gas Circuit Breaker |
| Rated voltage: | 33kv 36kv 40.5kv |
| Rated current: | 400A 3150A |
| Installation Location: | Circuit Breaker In Substation |
| Warranty: | 24 months |
| Medium: | SF6 |
| Operation type: | electric or manual operate |
| life span: | 15 YEAR |
| rated breaking current: | 31.5kA |
| Company Info. |
| Xi'an Xigao Electricenergy Group Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
33kv 36kv 40.5kv 400A 3150A SF6 Gas Circuit Breaker In Substation
1. LW8A-40.5 SF6 Circuit Breaker Feature
2. LW8A-40.5 SF6 Circuit Breaker Advantages
1. It conforms to GB1984 standard,GB/T28001-2011 idt OHSAS18001:2007,GB/T 24001-2004 idt ISO14001:200;
2. Frequent operation, each set can be installed with 12 current transformers;
3. The new sf6mkz pointer type densitometer, the pressure gauge reading is not affected by the temperature change.
3. Environmental Conditions
The daily average saturated vapor pressure: ≤2.2KPa;
The monthly average value: ≤1.8KPa.
Altitude: ≤3000m
Seismic intensity: ≤8
Air pollution level: Level Ⅲ
Ambient temperature: -30°C~+40°C
Relative humidity: ≤95%or≤90%
Wind pressure: ≤700pa
4. Technical Parameter
| Name | Data | |
| Rated voltage | 40.5 | |
| Rated current(A) | 1600/2000 | |
| Rated Insulate level | Power frequency withstand voltage(kV)1min | 95 |
| Thunder impulse withstand vltage (kV) | 185 | |
| Rated short-circuit breaking current(kA) | 25/31.5 | |
| Rated outof-phase breaking current (kA) | 7.9/10 | |
| breaking current of earth fault in different phase(kA) | 27.4/34.8 | |
| Rated breaking current of single capacitor bank(A) | 400 | |
| Rated Operating sequence | O-0.3S-CO-180S-CO | |
| Rated SF6 gas pressure(Mpa) | 0.5 | |
| Switch-off time(on rated voltage)(ms) | 30≤t≤40 | |
| Switch-on time(on rated voltage)(ms) | 60≤t≤80 | |
| Rated short-circuit making current(peak) (kA) | 63/80 | |
| Rated short-circuit duration (s) | 4 | |
| Rated short-circuit with stand current (kA) | 25/31.5 | |
| Rated peak value withstand current(kA) | 63/80 | |
| Mechanical life (time) | 10000 | |
Cumulative breaking times of rated short-circuit breaking current 31.5 kA/40kA(time) | 20 | |
| Cumulative breaking times of rated current(time) | 2000 | |
| Annual leakAge rate of SF6(%) | ≤0.5 | |
| Water content of SF6(VV)(PPm) | ≤150 | |
| Outer insulating leakAge ratio distance(mm/kV) | ≥25,≥31 | |
| Weight of the circuit breaker(KG) | 1000 | |
5. Photo
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