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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