Low Voltage VFD/Inverter

STEP AS series low-voltage VFD / inverter is available in various types that can fit a variety of applications and satisfy users' specific needs. These low-voltage drives are featured by excellent performance, multiple functions, ease of use and high reliability.

    1. Vector Type V/F Control VFD/Inverter, AS180AS180 series VFD is a common type of variable frequency drives designed for markets across the globe. It was developed by absorbing advanced German technology and manufactured in local facilities, further enhancing the reliability and versatility of the product. The excellent performance of V/F control can perfectly satisfy a variety of lightly loaded applications.
    1. Vector VFD/Inverter, AS450AS450 series VFD is a common model combining V/F control, sensorless vector control, closed loop vector control and torque control techniques. It was designed for improved reliability and versatility, suitable for various heavy load applications.
    1. High Performance Vector VFD/Inverter, AS500In addition to the adoption of V/F control, sensorless vector control, closed loop vector control and torque control techniques, our AS500 series high performance variable frequency drive also utilizes synchronous open loop vector control and synchronous closed loop vector control technologies to further enhance the reliability and versatility.
Specifications PDF

General Specifications

Frame size A (mm) B (mm) H (mm) W (mm) D (mm) Mounting hole diameter Φ(mm) Mounting hardware Tightening torque (Nm) Weight (Kg)
Bolts Nuts Washers
A1 100 288.5 300 160 162 5.0 4M4 4M4 4Φ4 1.1 4.5
A2 166.5 357 379 222 182 7.0 4M6 4M6 4Φ6 3.5 8
A3 165.5 392 414 232 182 7.0 4M6 4M6 4Φ6 3.5 10.3
A4 200 512 530 330 288 9.0 4M8 4M8 4Φ8 9 29.5
A5 200 585 610 330 310 9.0 4M8 4M8 4Φ8 9 38
A6 320 718 750 430 350 13.0 4M12 4M12 4Φ12 29 79.5
A7 320 768 800 430 350 13.0 4M12 4M12 4Φ12 29 81
A8 374 844 880 500 350 14.0 4M12 4M12 4Φ12 29 112.5
A9 500 997 1030 630 370 14.0 4M12 4M12 4Φ12 29 170
A10 600 1157 1189.5 852 431.2 14.0 4M12 4M12 4Φ12 29 280
A11 600 1326 1359 852 431.2 14.0 4M12 4M12 4Φ12 29 310

  • Size Example of A1 Low-voltage Drive
  • Dimension Drawings of A1 Low-voltage Drive
  • Size Example of A2/A3 Low-voltage Drives
  • Dimension Drawings of A2/A3 Low-voltage Drives
  • Size Example of A4/A5/A6/A7/A8/A9 Low-voltage Drives
  • Dimension Drawings of A4/A5/A6/A7/A8/A9 Low-voltage Drives
  • Size Example of A10/A11 Low-voltage Drives
  • Dimension Drawings of A10/A11 Low-voltage Drives


VFD In Applications