Cleaning Machine PMSM Controller – 24 V, 700 W

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24 V DC Battery Bus 700 W PMSM Sensorless Control IP44 IEC 61800

Overview

This 24 V, 700 W PMSM controller is designed for compact cleaning equipment such as floor scrubbers and pressure washers. It uses sensorless PMSM control to drive a three-phase motor directly from a 24 V DC battery bus, eliminating the need for encoder or Hall sensors.

The controller is built for harsh environments with high humidity and frequent start-stop cycles. It includes comprehensive protections and IEC 61800 compliance, making it a robust platform for OEM cleaning machines and similar 24 V motion systems.

Key Features

  • 24 V DC controller for three-phase PMSM motors up to 700 W.
  • Sensorless PMSM control – no encoder or Hall sensors required.
  • High drive efficiency (>90%) for battery-powered applications.
  • Simple digital enable input for on/off control via a panel switch.
  • Protection against under-voltage, over-voltage, over-current, short-circuit, and over-temperature.
  • IEC 61800-3 and IEC 61800-5 compliant.
  • IP44-rated design for industrial cleaning environments.
  • Wide operating temperature and humidity range.

Applications

  • Battery-powered floor scrubbers and cleaning machines.
  • Compact pressure washers and spray systems.
  • 24 V motion systems in industrial and commercial cleaning equipment.
  • Other 24 V PMSM applications where 700 W shaft power and robust protection are required.

Technical Specifications

Parameter Value
Controller rated voltage24 V DC
Controller operating range20 to 30 V DC
Input current (max)38 A
Motor type3-phase PMSM
Shaft power700 W
Line current45 Arms
Position feedbackSensorless PMSM
Overload capacity110%
Digital input1 digital enable input (on/off control)
Drive efficiency>90%
ProtectionsUnder-voltage, over-voltage, short-circuit, over-temperature, over-current
StandardsIEC 61800-3, IEC 61800-5
IP ratingIP44
Operating temperature-10 to 50 °C
HumidityUp to 95% (non-condensing max.)
Integration note: For cleaning machines, the load profile (brush / pump), start-stop frequency, and low-speed torque requirement strongly affect tuning. Share your duty cycle and torque/speed targets so we can recommend settings and safety margins.

Enquiry Note

If you are interested, please share a few lines about your product, motor rating and supply voltage. We will review your requirement, map it to the closest Versa motor–drive platform and get back to you with next steps.

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