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AC Panel Three Phase Multifunction Energy Meter SPM72
Panel type multifunction power meter
ac panel three phase multifunction energy meter spm72 front .png
ac panel three phase multifunction energy meter spm72 left side.png
ac panel three phase multifunction energy meter spm72 right side.png

AC Panel Three Phase Multifunction Energy Meter SPM72

  1. Full Electrical Parameter Measurement: Three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency, voltage/current phase angle, voltage/current average value.
  2. Fundamental wave measurement: three-phase fundamental wave voltage, fundamental wave current, fundamental wave active power, fundamental wave reactive power, fundamental wave apparent power,fundamental wave power factor.
  3. Energy Metering: Bi-directional energy, phase energy, four-quadrant energy; Optional time-of-use (TOU) energy.
  4. Demand Function: Real-time demand, predictive demand; Optional daily maximum demand, monthly maximum demand.
  5. Power Quality (Optional): 63rd harmonic analysis, voltage/current harmonic content, THD, TOHD, TEHD, zero-sequence/negative-sequence unbalance, current K-factor, voltage crest factor, current TDD.
  6. Data Logging (Optional): 10-year/12-month historical energy, daily max demand, monthly max demand, electrical parameter max/min values.
  7. Event Logging (Optional): 200 event records.
  8. Phase Sequence Adjustment: Software-adjustable CT phase sequence.
  9. Alarms: 15 types of alarms including phase overvoltage/undervoltage, line overvoltage/undervoltage, current overcurrent/undercurrent, frequency over/under, power over, phase loss, phase sequence error, digital input 1-4 action, etc.
  10. Up to 4 optional active or passive digital inputs.Optional 2 relay outputs.
  11. Standard 1 optical pulse output.
  12. Optional 1 electrical pulse output.
  13. Up to 2 optional RS485 communication ports.
  14. Optional 2 channels of 4~20mA DC analog output.
  15. Optional 4 channels of temperature measurement.
  16. Rated current configurable as 1A/5A.
  17. Universal for high/low voltage, compatible with 3×57.7/100V and 3×220/380V.

      Main Documents

      SPM72 Maintenance/User
      Contact us

      Compatible Software

      PiEMS System1vwd

      Smart PiEMS System

      Product Introduction

      SPM72, the updated version of SPM32, offers the following main functions

        The SPM72 Three-Phase Multifunction Power Meter is primarily suitable for high and low voltage distribution systems below 650kV, such as distribution cabinets and switchgear. The meter comes standard with an RS485 industrial bus, supporting Modbus RTU/DLT645 communication protocols for networked management, enabling data acquisition, meter reading, and automatic control by backend systems. The product performance meets the relevant technical requirements for Class D active energy in GB/T 17215.321-2021 and Class 0.5S reactive energy in GB/T 17215.324-2022.

        Product Selection

      • Current unbalance, Voltage unbalance, Voltage zero - sequence component, Voltage positive - sequence component, Voltage negative - sequence component.
      • Three - phase voltage phase angle, Three - phase current phase angle.
      • Optional 2 digital input and 2 relay output
      • Rated input 1A or 5A settable
      • Rated voltage: compatibility 3x57.7/100V and 3x220/380V.

      Specification

      Measurement Parameter Accuracy Measuring Range
      Voltage 0.2% Direct input line -line 10~500V,Line-neutral:10～400V PT primary:650KV,PT secondary:100-400V
      Current 0.2% CT primary:9,999A,CT secondary:5mA~6.5A
      Power factor 0.5% -1.0000~1.0000
      Active power 0.5% 0~±9,999MW
      Reactive power 1.0% 0~±9.999Mvar
      Apparent power 1.0% 0~9,999MVA
      Active energy 0.5% 0~99,999,999.9 kWh
      Reactive energy 2.0% 0~99,999,999.9 kvarh
      Apparent energy 2.0% 0-99,999,999.9 kVAh
      Voltage or current unbalance 1.0% 0%-100%
      Harmonic class B 0%~100%
      Measurement Parameter Accuracy Measuring Range
      Voltage 0.2% Direct input line -line 10~500V,Line-neutral:10～400V PT primary:650KV,PT secondary:100-400V
      Current 0.2% CT primary:9,999A,CT secondary:5mA~6.5A
      Power factor 0.5% -1.0000~1.0000
      Active power 0.5% 0~±9,999MW
      Reactive power 1.0% 0~±9.999Mvar
      Apparent power 1.0% 0~9,999MVA
      Active energy 0.5% 0~99,999,999.9 kWh
      Reactive energy 2.0% 0~99,999,999.9 kvarh
      Apparent energy 2.0% 0-99,999,999.9 kVAh
      Voltage or current unbalance 1.0% 0%-100%
      Harmonic class B 0%~100%
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