AC Drive

EI-450 Series



220V Class (1-Phase Input) 0.75kW~2.2kW
220V Class (3-Phase Input) 0.75kW~5.5kW
440V Class (3-Phase Input) 0.75kW~7.5kW

AC Drive features V/F control pattern. AC Drive has MODBUS message format and optional RS-485 communication card. The widely applied capacity ranges from 0.75kW up to 7.5kW for 220VAC and 440VAC Class. It is built in with digital keypad operator (RCUS-450).

Full-range • Automatic Torque Boost

• High starting torque (150% / 3Hz) to start the machine smoothly.

Complete Protective Functions

• AC Drive with high-speed current limit prevent over current (200% or more of the rated current), tripless operation (Momentary power loss restart, stall prevention, fault reset)
• Built-in rush current limited circuit
• Ground fault protection

Multiple Functions

• Multi-speed setting (up to 9 steps) - 2-step acceleration / deceleration, 2-step jump frequency UP/DOWN selection jog command, etc.
• Full-range automatic boost, slip compensation, stall prevention, over torque detection, DC injection braking, etc.
• Remote speed reference : 0-10VDC, 4-20MA, 0-20MA, multifunction input and output terminal, analog output monitor, NPN and PNP input signal switch
• MODBUS message format, RS485 series communication card available (Optional Accessory)
• Built-in digital keypad operator (RCUS-450) and with complex digital keypad operator (RCU-450) (Optional Accessory)

Broad Application Substitute Magnetic Contac

• No contact ensures, no transmission and maintenance request

Conveyer

• Soft start/stop function enables goods to stand still on conveyor

Single Phase Power Input

• Using single-phase power drives three-phase motor to rise the efficiency

Flow Machine (Fan-Pump)

• Changing motor speed smoothly makes the best of flow to save energy

Food Processing Machines

• The operation speed can be changed by using multi-speed functions (up to 9-step speed) and pre-set speed

Standard Mechanization

• The machine controller by the inverter/drive can be used with local power frequency (50/60Hz)

Industrial Applications

• Minimize Factory Maintenance Problems
• Refrigeration Compressor
• Harmonic Distortion
• Fan Selection for Air Handling
• Knitting Machine
• Industrial Laundry
• Commercial Laundry
• Induction Motor Speed Torque Characteristics
• Combination Motor Starter Interconnectio

For detailed technical catalogues and operation manuals, please download them from Download

If you are looking for AC Drive, please feel free to contact us.
AC Drive can be produced according to customers' specification.