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  • Product description and use method:

    LW3-12 (G) ⅠⅡⅢOutdoor high voltage sulfur hexafluoride circuit breaker


    I. Overview

    LW3-10ⅠⅡ outdoor high voltage sulfur hexafluoride circuit breaker is a new type of outdoor high voltage circuit breaker with SF6 gas as insulation and arc extinguishing medium. The arc extinguishing chamber adopts the principle of arc rotation, and the circuit breaker and operating maneuver are integral structures. Compared with other 10KV grade outdoor circuit breakers, this product has the obvious advantages of simple structure, reliable arc extinguishing and insulation performance, low operating power, high rated electrical life and no maintenance period.
    There are two types of products: type I and type II. The difference is that the type I is equipped with a manual energy storage spring operating mechanism mainly for column use, and the type Ⅱ is equipped with a motor energy storage spring operating mechanism. In addition to the local manual control operation, it can also realize remote control and automatic reclose Operation, suitable for control and protection in small and medium-sized power stations.


    Model description

    Third, the main technical parameters

    Serial number

    name

    unit

    data

    1

    Total trip

    mm

    ± 2 58 ± 2

    2

    Overstroke

    mm

    ± 1 22 ± 1

    3

    Interphase

    Type I

    ms

    1.5

    Type II

    ms

    3

    4

    Closing speed

    ms

    ± 0.2 2.6 ± 0.2

    5

    Rigid speed

    m / s

    ± 0.2 2.6 ± 0.2

    6

    Loop resistance per phase

    μΩ

    130

    7

    Tripping current

    A

    5.5 5 5.5

    8

    合闸线圈额定电压 Min ., Closing coil rated voltage

    V

    220

    Fourth, the external installation dimensions

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