Years of production and sales experience

Specialized in varies voltage stabilizer,voltage regulator,transformer and 110V/220V step up & down transformer,battery charger,U.P.S,DC to AC inverter,Solar system and new energy series products and high & low complete set and components etc. 

+86-577 62711579 +86-18858864949
Outdoor sulfur hexafluoride circuit breaker LW8-40.5
Outdoor sulfur hexafluoride circuit breaker LW8-40.5
Outdoor sulfur hexafluoride circuit breaker LW8-40.5
Outdoor sulfur hexafluoride circuit breaker LW8-40.5

>Outdoor sulfur hexafluoride circuit breaker LW8-40.5

Categories
High Voltage Vacuum Circuit Breaker
MOQ
5
Brand
Johsun
FOB port
Shanghai,Ningbo
Terms of Payment
Western Union,T/T,Paypal
Deliverytime
15 working days

Description

LW8-40.5, LW8A-40.5 series sulfur hexafluoride circuit breakers are three-phase AC 50Hz outdoor high-voltage electrical equipment, suitable for the control and protection of 40.5kV transmission and distribution system, can also be used for connection circuit breakers and open and close capacitor Banks. The product can be used with CT14 spring mechanism. The circuit breaker conforms to the national standard GB1984 -- 1989 AC high-voltage circuit breaker and the international electrotechnical commission standard IEC56, IEC6220-100 high-voltage ac circuit breaker. 

The product has excellent breaking performance, USES the pressure air type arc extinguishing chamber, the electric life is long, does not replace the sulfur hexafluoride gas, the mechanical reliability is high, the mechanical life is long, can operate frequently; Each set can be equipped with 6-12 current transformers for user's choice. This product adopts the new MKZ model SF6 pointer density meter, the pressure gauge reading is not affected by the temperature change, easy to use. 

 

Main technical parameters

Item

Unit

Data

Rated voltage

KV

40.5

Rated insulation level

Withstand voltage of 1min power frequency

KV

95

Lightning shock resistance (peak)

KV

185

Rated current

A

1600/2000

Mechanical life

Times

3000

Rated pressure of sulfur hexafluoride (gauge pressure at 20℃)

Mpa

0.45

Locking pressure (gauge pressure at 20℃)

Mpa

0.42

Minimum operating temperature

-30

Rated short circuit breaking current

KA

20/25/31.5

Rated short circuit shut-off current (peak)

KA

63/80

Rated withstand current in short circuit (heat stable current)

KA

25/31.5/100

Rated peak withstand current (dynamic stable current)

KA

63/80/100

Rated out-of-step breaking current

KA

63/80/100

Rated short circuit duration

S

4

Closing time (at rated operating voltage)

S

≤0.1

Switching time (at rated operating voltage)

S

≤0.07

Rated operating sequence

 

0-0.3-C0-180S-CO

Rated open and close current of a single capacitor bank

A

400

Weight of sulfur hexafluoride gas

kg

8/5

Weight of circuit breaker (including operating mechanism)

kg

14000/1000

 

Outline and mounting dimensions

LW8A-40.5(side-mounted) mounting dimensions

LW8A-40.5(porcelain column) mounting base size 

LW8A-40.5(middle type) outline mounting size 

>Online Message

Inquiry Basket()