MSI200A Series

Premium frequency inverter

Based on DSP control system, MSI200A inverters apply V/f vector control and various protections to control asynchronous motors. The air duct, hardware and software have been greatly improved for better environment adaptability, operation and reliable quality certificated by TÜV SÜD.

High performance

  1. More Accurate Motor Autotuning;
  2. Advanced open loop vector control;
  3. Perfect voltage and current control, reducing the fault protection times;
  4. Multiple braking modes and instant stopping.

0.75kW~500kW(Three Phase 400V)


  • VF and Sensorless Vector Control
  • Up to 0.5Hz/150% starting torque
  • Built-in braking unit (≤30kW); Optional external braking unit (≥37kW);
  • External LED keypad to copy parameters(≥18.5kW);Standard membrane keypad design(≤15kW); Optional LCD keypad provided
  • Standard C3 filters; Optional C2 filters
  • Accurate parameters auto tuning and better motor drive
  • Simple water supply function
  • Support G/P dual rating
  • Customization services provided (like PTC )
  • CE requirements certified


Air compressor, Oil, Warming and Water Supply, Plastics machine, Mine, Fans and Water pumps

Function description

  • Power inputRated input voltage (V)
    • 1PH 220V(-15%)-240V(+10%)
    • 3PH 220V(-15%)-240V(+10%)
    • 3PH 380V(-15%)-440V(+10%)
  • Rated input current(A)
    • Refer to “rated value”
  • Rated frequency (Hz)
    • 50Hz or 60Hz, permissible range: 47~63Hz
  • Power output
    • Rated motor capacity (kW)
      • Refer to “rated value”
  • Rated output (kVA)
    • Refer to “rated value”
  • Rated current (A)
    • Refer to “rated value”
  • Rated output voltage (V)
    • Equal to input voltage with less than 5% error
  • Technical control performance
    • Control modeSVPWM, SVC
  • Motor type
    • Asynchronous motor
  • Speed range
    • 0.111111111
  • Speed control precision
    • ±0.2%(SVC)
  • Speed fluctuation
    • ± 0.3%(SVC)
  • Torque response
    • <20ms(SVC)
  • Torque control precision
    • 10%
  • Starting torque
    • 0.5Hz 150%(SVC)
  • Overload capacity
    • 1m for 150% of rated current, 10s for 180% of rated current, 1s for 200% of rated current150%
  • Running control characteristics
    • Frequency setup modeKeypad digits, anaglog quantity, pulse frequency, multi-step speed operation, simple PLC, PID, MODBUS communication. Realize switching between the set combination and the set channel.
  • Realize switching between the set combination and the set channel.
  • Auto voltage adjustment
    • Keep the output voltage constant when grid voltage changes.
  • Fault protection
    • Provide all-around fault protection: overcurrent, overvoltage, undervoltage, overheat, phase loss and overload
  • Speed tracking restart
    • Realize impact-free smooth startup of rotating motor
  • AI
    • One(AI2)0~10V/0~20mA, one(AI3)-10~10V
  • AO
    • Two(AO1、AO2)0~10V /0~20mA
  • DI
    • Four normal inputs, max frequency: 1kHz
  • One high speed input, max frequency 50kHz
  • DO
    • One Y1 terminal output, two programmable relay outputs
  • Relay output
    • Two programmable relay outputs
  • RO1A NO, RO1B NC, RO1C common port
  • RO2A NO, RO2B NC, RO2C common port
  • Contact capacity:3A/AC250V
  • Others
    • DC reactor
      • 18.5kW and above models carry built-in DC reactor in standard configuration
  • Installation mode
    • 1PH 220V/3PH 380V and below and 3PH 220V 0.75kW and below support rail-type and wall-type installation;
    • 3PH 380V 4kW and above and 3PH 220V 1.5kW and above support wall-type and flange-type installation;
  • Brake unit
    • Built-in in standard configuration for 37kW and below models and optional for 45~110kW models;
  • EMC filter
    • Built-in C3 filter is optional for 3PH 380V 4Kw and above, 3PH 220V 1.5kW and above
    • Optional filter: IEC61800-3 C2, IEC61800-3 C3
  • Ambient temp﹣10~50℃, derate if the ambient temp is above 40℃
  • Elevation
    • Below 1000m, derate if the elevation is above 1000m, derate by 1% per every additional 100m
  • Protection level
    • IP20
  • Note: The inverter with plastic shell should be installed in the metal ditribution box which complies with IP20 and IP3X
  • Safety
    • Meet CE requirement
  • Cooling mode
    • Air cooling