26.F4.C0U-4S00 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 26.F4.C0U-4S00 is a frequency inverter from the F4 Combivert Frequency Inverters series. It has a maximum rated motor power of 132 kW and an output nominal current of 250 Amps. The inverter operates in temperatures from -10 to 45°C and provides a protection rating of IP20.
Internal Product Review
The 26.F4.C0U-4S00 is a KEB COMBIVERT F4 frequency inverter with a compact control mode. From a drive application standpoint, the 250 A output nominal current and 132 kW max rated motor power make this unit a strong fit for high-demand motor control. IP20 protection supports dependable panel integration, and the -10 to 45°C operating range adds useful installation flexibility.
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Product Description:
The 26.F4.C0U-4S00 is an AC frequency inverter produced by KEB within the F4 Combivert Frequency Inverters series. Classified as a COMBIVERT F4 unit, it converts fixed-frequency mains power into variable-voltage and variable-frequency output for controlling the speed of compatible production motors. The device mounts in a control cabinet and provides electronic speed regulation for conveyors, pumps, fans, compressors, and processing equipment. Its adjustable output allows connected machinery to respond to changing operating demands without relying solely on mechanical flow or speed controls.
The inverter supports a maximum motor connection capacity of 132 kW, making it suitable for large industrial motor applications. It delivers a continuous output current of 250 A under its rated operating conditions. The power electronics provide an apparent output of 173 kVA, which can be considered when selecting upstream electrical equipment and conductors. Live components are protected by an IP20 enclosure that prevents accidental finger contact, while the surrounding cabinet must provide suitable protection and ventilation. The permitted operating temperature range is -10 to 45 °C, allowing use in many indoor industrial control environments. Adequate clearance around the inverter helps airflow reach the heat-dissipation surfaces and reduces the risk of excessive internal temperature.
The inverter uses a U-size housing with a consistent mounting arrangement and designated airflow paths. Drive operation is managed through the Compact control mode, which provides basic voltage-to-frequency control and slip compensation for compatible motors. A Standard interface supports the transfer of start, stop, and setpoint commands through the available control connections. The unit tolerates relative humidity levels of up to 95% when condensation is prevented, so moisture must not collect on internal electrical components. Integrated accessories are not included, allowing external filters, line chokes, or braking modules to be selected according to the electrical installation and motor load. These external components must be installed with appropriate spacing and wiring practices to preserve ventilation and electrical isolation inside the cabinet.
