03.S4.D10-3270 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 03.S4.D10-3270 is part of the F4 Combivert Frequency Inverters series and has a 3-phase mains connection with a voltage range of 180 to 260 volts and a 230 volt class. This inverter features a rated output current of 2.7 amps, a peak output current of 10.6 amps for 200 ms, and integrates a braking transistor. It has an IP20 protection rating, weighs 2.0 kilograms, and measures 90 mm wide by 250 mm high by 165 mm deep.
Internal Product Review
The 03.S4.D10-3270 is a KEB F4 Combivert frequency inverter built for 3-phase mains connection and 230 V-class operation. Integrated braking transistor support and IP20 protection make the unit a strong choice for controlled drive applications in enclosed industrial panels. Rated output current of 2.7 A with peak output current of 10.6 A gives the inverter impressive short-term load handling.
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Product Description:
The 03.S4.D10-3270 is a frequency inverter produced by KEB for the F4 Combivert Frequency Inverters series. The unit converts fixed-frequency power into variable-frequency output for regulating three-phase induction motors in industrial automation, ventilation equipment, and light conveying systems. By adjusting output frequency and current, the inverter allows a controller to match motor torque to process demand while maintaining the commanded shaft speed. This control method also supports gradual acceleration and deceleration, reducing mechanical stress on connected equipment during routine operating cycles.
The inverter accepts a three-phase supply ranging from 180–260 V, making it suitable for a 230 V power system. During acceleration or sudden load changes, the output stage can deliver 10.6 A for up to 200 ms before returning to its continuous current rating of 2.7 A. The stall current equals the continuous current rating, which helps prevent thermal overload when the motor operates at zero speed. An IP20 enclosure protects against accidental contact with internal components when the inverter is installed in a suitable cabinet. An integrated braking transistor routes regenerative energy to a connected resistor without requiring a separate brake chopper. The inverter uses housing design D, includes the Standard fieldbus option for basic network communication, and supports motors with a nominal speed of 3000 rpm.
The enclosure has a depth of 165 mm, a width of 90 mm, and a height of 250 mm. Its mass of 2.0 kg allows it to be secured to a back panel without heavy support brackets. The compact enclosure leaves room for adjacent control equipment while providing access to the power and motor terminals. The three-phase mains connection enters through the lower terminal block, while nearby screw terminals carry the inverter output to the motor and help keep wiring loops short. The short peak-current interval provides additional torque for brief acceleration demands, and the braking transistor manages returned energy during controlled deceleration. These operating features are handled within the inverter while the connected braking resistor dissipates the recovered energy as heat.
