Ru-Lena Ind. (Holding) Co., Ltd.
Main products:fuse cut out parts,polymer arrester,arrestor disc,ACSR,galvanized steel cable
Products
Contact Us
  • Contact Person : Mr. Han Daniel
  • Company Name : Ru-Lena Ind. (Holding) Co., Ltd.
  • Tel : 86-0411-39852517
  • Fax : 86-0411-39852510
  • Address : Liaoning,Dalian,1302-1305 Tower B, The Manhattan Tower, No. 101 Youhao Road, Zhongshan Dist.
  • Country/Region : China
  • Zip : 116001

LW35S-252 SF6 Circuit Breaker

LW35S-252 SF6 Circuit Breaker
Product Detailed
LW35S-252 SF6 circuit breaker is of three pole gang operation switch, equipment with one operation mechanism. 1) Self-gas-blast

Main technical Data

No.

Item

Unit

Value

1

Rated voltage

kV

252

2

Rated frequency

Hz

50

3

Rated current

A

4000A

4

Rated short-circuit breaking current

kA

50

5

Short-line fault breaking current (L90)

kA

45

6

Rated short-time withstand current (3s)

kA

50

7

Rated peak withstand current

kA

125

8

Rated short-circuit making current (peak)

kA

125

9

Rated out-of-phase breaking current

kA

125

10

Rated line charging breaking current

A

160

11

Rated SF6 gas pressure (20)

MPa

0.6

12

Resistance of main circuit

μΩ

≤60

13

Rated operating sequence

 

0-0.3s-CO-180s-CO

14

Annual leak rate of SF6 gas

%

≤0.5

15

1 min power-frequency with stand voltage(rms,dry and wet test)

Across the breaker

KV

460

Between poles or pole to earth

395

16

Lightning impulse with stand voltage(peak)(full wave 1.2/50us)

Across the breaker

KV

1050

Between poles or pole to earth

950

17

Total weitht

KG

4500

18

Ambient temperature

C

-30~+50

19

Air pollution class

class

III

LW35S-252 SF6 Circuit Breaker



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