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ZN23-40.5C Indoor high voltage vacuum circuit breaker

ZN23-40.5 series indoor high voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 40.5kV indoor power distribution device, equipped with CT9BN type spring operating mechanism or CD10Ⅱ type electromagnetic operating mechanism. It is suitable for the protection and control of AC power distribution system, as well as frequent operation places such as arc furnace transformers, but not suitable for dangerous places such as flammable and explosive places.

    Technical Parameters

    Serial number

    Name

    Unit

    Data

    1

    Energy storage motor rated power

    W

    250

    2

    Rated voltage of energy storage motor

    V

    200、-220

    3

    Energy storage time

    s

    15

    4

    Closing electromagnet rated voltage
    Disconnect magnet powered by independent power supply
    Rated voltage

    V

    200、-220

    5

    Rated current of overcurrent release

    A

    5

    6

    Auxiliary switch rated current

    A

    10

    7

    Rated current of travel switch

    A

    2

    CD10Ⅱ electromagnetic operating mechanism parameters

    Serial number

    Name

    Unit

    Data

    1

    220V closing coil current

    A

    147

    2

    220V closing coil resistance

    Ω

    1.5±0.12

    3

    110V closing coil current

    A

    294

    4

    110V closing coil resistance

    Ω

    0.38±0.03

    5

    220V trip coil current

    A

    2.5

    6

    220V trip coil resistance

    Ω

    88±4.4

    7

    110V disconnect line current

    A

    5

    8

    110V trip coil resistance

    Ω

    22±1.1