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.

Next Steps

Download cleaning controller datasheet Request a demo or PoC unit

Enquiry Note

Please describe your cleaning machine (type, brush or pump load, required speed/torque, battery voltage, and duty cycle). We can confirm suitability of this 24 V, 700 W PMSM controller and propose firmware or hardware customisation if needed.