S1 Series (Standard)

The New Standard in Sensorless Vector Control Inverters The new S1 series is perceived as the new standard for general purpose inverter, highly flexible and user friendly for easy commissioning. It is suitable for
a wide range of applications, using advanced sensorless vector control. S1 achieves exceptional stability and efficient drive characteristics to save energy and maximize performance.

Compact Design: 0.4 to 2.2 KW, Dual Rating

  • Easy maintenance
  • Various installation ways
  • Excellent performance
  • Multi-function and easy to use
  • Potentiometer on the front for easy frequency adjustment
  • Optional external keypad


4.0 KW to 500 KW, Dual Rating

  • Supports SVC control
  • Enables high precision of speed torque control
    and fast speed response
  • Integrates safety function-STO (Safe Torque OFF, SIL2)
  • The unique I/F control is very suitable at low
    speed with high torque requirements
  • The transition from rotating state to dc braking is very smooth. The current impact is small, and the current response of dc braking is faster
  • Excellent function at “Catch-on-the-Fly”
  • Solid plastic housing 4~75kW
  • Solid metal housing 90~500kW
  • ≤37KW Standard built-in DBU
  • Internal C3 EMC filter, Optional external
    C2 EMC filter
  • PID control function (with sleep function)
  • Automatic voltage regulation (AVR), Torque
    compensate function
  • Optional parameter copy LED external keypad,
    meeting the requirements of diverse applications


S1 series IP55 version: 4kW to 110kW, Dual Rating

  • Ingress protection rating of IP55 applicable to working environments dust and water vapor conditions (NEMA rating 3S)
  • S1 IP55 the inverter is also designed as a dual-rate inverter, to be used cost-effectively in ND or LD mode, depending on the application and load.
  • Built-in DC reactors as standard from 18,5kW to 110 kW
  • Built-in brake chopper (standard from 4kW to 37 kW(ND), optional from 45kW to 110 kW (ND)
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