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KYN61-40.5 Armored Removable AC Metal Enclosed Switchgear

KYN61-40.5 armored movable AC metal enclosed switchgear (hereinafter referred to as "switchgear") is mainly characterized by the use of ZN85-40.5 fully insulated vacuum circuit breaker and spring operating mechanism inside the cabinet. The cabinet body is assembled with steel plate spray molding, improving the matching accuracy between the handcart and the cabinet body. The handcartis very easy to push and pull out, and has strong interchangeability.Beautiful appearance, complete solutions, and safe and reliable use.

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KYN61-40.5 Armored Removable AC Metal Enclosed Switchgear

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Product Description

  • 产品描述
  • Overview

    KYN61-40.5 armored movable AC metal enclosed switchgear (hereinafter referred to as "switchgear") is mainly characterized by the use of ZN85-40.5 fully insulated vacuum circuit breaker and spring operating mechanism inside the cabinet. The cabinet body is assembled with steel plate spray molding, improving the matching accuracy between the handcart and the cabinet body. The handcartis very easy to push and pull out, and has strong interchangeability.Beautiful appearance, complete solutions, and safe and reliable use.

    This product is used in the 35kVthree-phaseAC50Hz power system as the power distribution room of power plants, Electrical substation and industrial and mining enterprises to receive and distribute electric energy. It has the functions ofcontrol, protection and monitoring. This product meets the standards ofGB3906"3-35kVAC Metal Enclosed Switchgear" GB/TII022 "Common Technical Requirements for High Voltage Switchgearand Control Equipment Standards", DL/T404"Technical Conditions for Ordering AC High Voltage Switchgear", and IEC60298 "AC Metal Enclosed Switchgearand Control Equipment with Rated Voltages of 1kVand Below 52kV".

    Normal condition

    ◆Surrounding airtemperature: maximum temperature+40C, minimumtemperature-15C.Humidity conditions: Daily average relative humidity:≤95%.The daily average water vapor pressure shall not exceed 2.2kPa.The average monthly relative humidity is 90%.The monthly average watervapor pressure is 1.8kPa.

    ◆ Altitude: below4000m.

    Earthquake intensity: not exceeding 8 degrees.The surrounding airshould not be significantly polluted by corrosive or combustible gases,water vapor, etc.

    ◆ Places without frequent severe vibration.

    When used under normal conditions exceeding the provisions of GB3906,the userand our company shall negotiate.

    Main technical parameters

    Name Unit Data
    Rated voltage kV 40.5
    Rated current Rated current of the main busbar A 630 1250 1600
    Rated current of the circuit breaker used A 630 1250 1600
    Rated Edge level   1min power withstand voltage, between poles, between poles/between ports kV 95/110
    Lightning impulse withstand voltage, pole to pole, machine to ground/break to break kV 185/215
    Power frequency withstand voltage of auxiliary circuit and control circuit V/1min 2000
    Rated frequency Hz 50
    Rated short circuit breaking current kA 20 25 31.5
    Rated short time withstand current/rated short circuit duration kA/4s 20 25 31.5
    Rated peak withstand current kA 50 63 80
    Rated short-circuit making current kA 50 63 80
    Rated voltage of control circuit V DC:110 220 AC:110 220
    Protection grade -  Switchgear enclosure - IP4X
    Cubicle compartment (when cabinet door is open) - IP2X

     

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