Three phase power transducer

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  • This device is an electrical isolation transducer of 3-phase active, reactive power, power factor, and true RMS measurement. Its input is isolated from output signal, and output linear standard analog signal. Through the internal switch can be switched to active, reactive power and power factor measurement of 3-phase 3-wire and 3-phase 4-wire. The product can be widely used in electric power, communications, railway, industrial control and other fields.


    Data Sheet

    Power supply: DC +11V~+28V (power consumption<60mA);
    Input range: voltage AC: 0~500V; current AC: 0~30A;
    Power factor transmitter need to subjoin:
    Power factor 0~1(unipolarity), 0.01L~1~0.01C (bipolarity);
    Output: output a one-way voltage and current at the mean time,
    eight kinds of output of 0-5V/0-20mA or 1-5V /4-20mA or 2.5±2.5V/10±10mA or 3±2V /12±8mA can be set freely;
    Output ripple: <10mV;     
    Working temperature: -20℃~+70℃;
    Accuracy class: 0.5 (with reference error);
    Temperature drift: <300ppm/℃     Isolation voltage: DC 2500V;
    Load capacity: voltage output≥500Ω, current output≤300Ω
    (24V DC power supply can be up to 900Ω);
    Response time: ≤300 mS;
    Isolation voltage: DC 2500V;
    Rated power consumption: <1.5W;  
    Frequency range: 40Hz~75Hz;
    Surge immunity:
    Power port four 4KV (L-N / 2Ω / integrated wave),
    Output port two 2KV (L-N / 40Ω / integrated wave);
    Impulse immunity: input/power port ± 2KV, analog I/O port ± 1KV;
    Input overload capacity:
    Continuous overload: 120%; short-term overload,
    2 times the rated voltage input value, the application of 1 second;
    20 times the rated current input, the application of 1S;
    Storage conditions: -40 ~ +70 ℃.

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    Appearance of the product

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                                                                                                Installation dimensions


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                                                                                                                      Wiring diagram of P41/Q41/C41 (window input)

    Note: When the three-phase four-wire products are for the three-phase three-wire measurement through the internal DIP switch settings, the product wiring is required to B-phase voltage connected to the terminals NO.4, terminals NO.2 are not connected, B phase current is not connected.


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    Wiring diagram of P31/Q31/C31 (window input)

    Note: the terminal NO. 6 and NO.7 are in common ground, the internal connectivity.



    True RMS measurement, the accuracy is better than 0.5;
    The product has a 3-phase active or reactive power and power factor measurement function;
    Can be free to set positive and negative power measurement or the inductive and capacitive polarity measurement of power factor;
    Wide power supply: 12V/24V;
    A variety of output range and mode to choose from, built-in function switch freely selected;
    Can be freely set three-phase four-wire or three-phase three-wire measurement
    mode.

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