Customized LW8-40.5 33 Kv SF6 Circuit Breaker Control Protection

Basic Information
Place of Origin: XIAN
Brand Name: XG
Certification: ISO,CCC
Model Number: LW8A
Minimum Order Quantity: 1 SET
Price: USD300-000
Packaging Details: WOODEN CASE
Delivery Time: 3-7 DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000SETS
Detail Information
Poles Number: 3 Rated Current: 1250A
Material: Galvanized Sheet And Accessories Rated Frequency: 50Hz
Warranty: 12 Months Certificate: ISO14001 BS OHSAS18001
Medium: SF6 Function: Control And Protection
Installation Location: Power Plants, Substations And Power Systems Etc
High Light:

LW8-40.5 SF6 Circuit Breaker


Customized SF6 Circuit Breaker


SF6 High Voltage Circuit Breaker

Product Description

1.LW8-40.5 SF6 Heavy Duty High Voltage Circuit Breaker


Lw8-40.5 product has excellent crushing performance. Using compressed air arc chamber, long electrical life. It can continuously break 40ka short circuit current 20 times at rated voltage without maintenance or replacement of hydrogen sulfide gas. High mechanical reliability, mechanical life more than 6000 times, can be frequently operated; Each device can be equipped with 12 current transformers for customer's choice. The product uses the new mkzm SF6 pointer densitometer, the pressure gauge reading is not affected by temperature changes, easy to use.


2. Technical Data


No. Item Unit Data
1 Rated voltage KV 40.5
2 Rated current A 2000
3 Rated frequency HZ 50
5 Rated short circuit breaking current KA 31.5
6 Rated short-circuit current (peak) KA 50
7 Rated short-circuit withstand current KA 20
10 Rated short circuit closing current(peak) KA 50
13 Electrical life of rated short circuit breaking current times 30
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-CO
17 Split time ms ≤60
18 Closing time ms ≤100
19 Velocity of rigid composite m/s 3.2
20 Velocity of rigidity m/s 3.4
21 Mechanical life times 6000
24 Quality of each circuit breaker kg 1400



3.Environmental Condition

  • Ambient temperature:-30℃~+40℃
  • Altitude:≤3000m
  • Wind pressure:≤700Pa
  • Relative humidity:daily average relative humidity: ≤95%;monthly average relative humidity≤90;daily average saturated vapor pressure ≤2.2KPa;monthly average value ≤1.8KPa
  • Air pollution level:Ⅲ
  • Earthquake intensity:≤8 degree
  • The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution


4.Essential details


Model Number:LW8-40.5                               Breaking Capacity:20KA

Rated Voltage:40.5KV                                   Rated Current:1250A

Material:Stainless Steel                                 Mechanical Life:2000 Times

characteristic:SF6 circuit breaker                  Application::High Voltage

Pole:3pole                                                     Type:High Voltage

Poles Number:3                                            Rated Frequency:50Hz


5. FAQ

1. All our activities are accredited to ISO 14001:2015 and IEC standard.

2. Technology ensure the quality satisfy international request.

3Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.

4. For tender cooperation, it is welcome to discuss the detail in between.

Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197