KLD-CS Series

    Composite Switch

    It is suitable for switches in low-voltage reactive power compensation device. It adopts optimized internal algorithm and reliable zero-crossing switching technology to ensure the switches can accurately and quickly respond to changes every time.

    PRODUCT OVERVIEW

    Given that there are many inductive loads in modern industry, reactive power compensation is indispensable for them. Some scenarios with frequent changes in reactive power have higher requirements for the switching speed and stability of reactive power compensation. KLD-CS series composite switches are characterized by zero-crossing switching capacity and fast response speed, which is even highly applicable for the scenarios with frequent changes of reactive power.

    KLD-CS series composite switches can precisely control the making and closing of reactive power compensation loop, featuring fast response time and strong overload capacity. It realizes voltage zero-crossing input and current zero-crossing removal, input without inrush current and no arcing for removal. It also automatically tracks the changes due to temperature, voltage and mechanical friction coefficient, and timely adjusts the drive parameters to limit the input inrush current to less than 2 times. Composite switch has low power consumption, and the starting power consumption is less than 10% of AC contactor of the same capacity, which is an ideal equipment to replace AC contactor.

    MULTIPLE PROTECTION FUNCTIONS

    KLD-CS series composite switches have diversified protection functions and LEDs indicate various alarm information.

    Equipped with diversified protection functions such as phase loss, phase dislocation, power supply, overtemperature, etc., the switch can indicate the cause of alarm through the power supply alarm LEDs. When a fault occurs, the switch will trigger LED strobes, and the number of times of LED strobes indicates the fault code. The cause of the fault can be found by checking the alarm code table of the CS series composite switches to ensure the reliable operation of the equipment.

    ZERO-CROSSING SWITCHING CAPACITY

    Rapid and stable switching enables precise control of the switching process and reduces sudden changes in current and voltage.

    It avoids the phenomenon of arcing, reduces the interference and loss generated by the switch, and improves the stability and reliability of the system, so as to provide a better application environment for capacitors and effectively prolong its service life.

    Technical Parameters

    Rated voltage AC400V
    Voltage range -15%~+20%
    Frequency range 50Hz
    Drive voltage DC 12V
    Mechanical life 1,000,000 times
    Contact life 200,000 times
    Alarm temperature 65oC
    Protection temperature 75oC
    Power consumption Less than 3VA
    Relative humidity Max.95%
    Altitude Conventional 2000 meters, higher altitude can be customized
    Selection table

    Model Capacity(kvar) Over-temperature protection System voltage(V)
    Single-phase
    KLD-CS15-1-2010 15 Provided 400
    KLD-CS30-1-2010 30 Provided 400
    KLD-CS45-1-2010 45 Provided 400
    Three-phase
    KLD-CS12.5-3-2010 12.5 Provided 400
    KLD-CS15-3-2010 15 Provided 400
    KLD-CS20-3-2010 20 Provided 400
    KLD-CS25-3-2010 25 Provided 400
    KLD-CS30-3-2010 30 Provided 400
    KLD-CS40-3-2010 40 Provided 400
    KLD-CS50-3-2010 50 Provided 400

    Technical Parameters


    • Rated voltage:AC400V

      Voltage range:-15%~+20%

      Frequency range:50Hz

      Drive voltage:DC 12V

      Mechanical life:1,000,000 times

      Contact life:200,000 times

      Alarm temperature:65oC

      Protection temperature:75oC

      Power consumption:Less than 3VA

      Relative humidity:Max.95%

      Altitude:Conventional 2000 meters, higher altitude can be customized

    Selection table


    Single-phase

    • Capacity(kvar):15

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):30

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):45

      Over-temperature protection:Provided

      System voltage(V):400

    Three-phase

    • Capacity(kvar):12.5

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):15

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):20

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):25

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):30

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):40

      Over-temperature protection:Provided

      System voltage(V):400

    • Capacity(kvar):50

      Over-temperature protection:Provided

      System voltage(V):400

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