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LW36-126- outdoor high voltage circuit breaker

Model Name: LW36-126- outdoor high voltage circuit breaker

Product Category: Circuit breaker

Product Introduction

General description:

The product is used in three-phase A.C. 50Hz, 110KV power system, it is a control and protection equipment of the power system, also can be used as a coupling circuit breaker. no higher than 2000m, ambient temperature: -25℃ to +40℃, max wind speed: no more than 34m/s, pollution level : no more than IV, earthquake intensity: doesn’t exceed 8°,  indoor and outdoor installation.

Features:

(1) National key technology development project.

(2) Adopt the latest international self-energy arc-extinguishing technology.

(3) Use a lot of new materials.

(4) Small operating power.

(5) High reliability.

(6) Low radio interference level.

(7) Competitive price.

Main technical data:

No

Item

Unit

Technical Data

1

Rated voltage

kV

126

2

Rated power frequency withstand voltage

kV/(1minute)

230

3

Rated lightning impulse withstand voltage

kV

550

4

Rated frequency

Hz

50

5

Rated current

A

3150

6

Rated short circuit breaking current

kA

40

7

Rated peak withstand current

kA

100

8

Rated short time withstand current

kA

40

9

Rated short circuit closing current

kA

100

10

Rated duration of short circuit

kA

4s

11

Rated SF6 gas pressure (gauge pressure, at 20℃)

MPa

0.6

12

Mechanical life

times

10000

13

Operating mechanism equipped