ISO 33kv 36kv 400A SF6 Gas Circuit Breaker In Substation

Basic Information
Place of Origin: XIAN,CHINA
Brand Name: XG
Certification: ISO
Model Number: LW8A
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
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
High Light:

400A SF6 Gas Circuit Breaker


36kv SF6 Gas Circuit Breaker


Substation SF6 Gas Circuit Breaker

Product Description

33kv 36kv 40.5kv 400A 3150A SF6 Gas Circuit Breaker In Substation


1. LW8A-40.5 SF6 Circuit Breaker Feature


  • Excellent breaking performance, short burning arc time, long life;
  • Mechanical life of more than 3000 times;
  • Operation frequently, each can be installed 12 current transformers;


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)

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


ISO 33kv 36kv 400A SF6 Gas Circuit Breaker In Substation 0

Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197