12.F4.C1E-1240 KEB
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The KEB 12.F4.C1E-1240 is part of the F4 Combivert Frequency Inverters series and provides a maximum rated motor power of 4 kW with an output nominal power of 6.6 kVA. This frequency inverter features a 1-phase mains connection, operates within a voltage range of 180 to 260 V, and supports an output nominal current of 9.5 Amps at 400V class. It is built with an E-size housing style and an IP20 protection rating, and comes with an integrated braking transistor.
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Product Description:
The 12.F4.C1E-1240 is manufactured by KEB and belongs to the F4 Combivert Frequency Inverters series. Classified as a COMBIVERT F4 frequency inverter, it converts single-phase mains power into a variable-frequency output for controlling the speed of industrial induction motors. Within an automation cell, it regulates motor torque and responds to control commands from the surrounding system. Its compact housing conserves panel space in control cabinets that contain multiple drive components.
The inverter supports a maximum motor shaft power of 4 kW and delivers a continuous output current of 9.5 A. Its power stage is rated at 6.6 kVA, providing the apparent power capacity needed to operate compatible loads. The accepted input range is 180 to 260 V, making the unit suitable for 230 V class power distribution in light-industrial facilities. The enclosure has an IP20 rating, which protects against accidental finger contact but does not provide protection from water. The control mode is set to Compact and provides basic speed regulation through a simplified control arrangement. An integrated braking transistor manages regenerative energy when a connected motor decelerates. The E-size housing maintains a narrow profile for dense multi-drive cabinet layouts.
The pulse-width modulation carrier operates at 8 kHz, balancing audible motor noise with switching losses in the inverter. Internal insulation and electrical clearances are designed for the 230 V class. The permitted ambient operating temperature ranges from -10 to 45 °C, allowing use in unheated workshops when adequate airflow is available. Relative humidity may reach 95% as long as condensation does not form inside the enclosure. This humidity limit permits operation in damp production areas while maintaining the required cabinet protection. The standard fieldbus option provides basic serial communication for parameter access and diagnostics, while conventional terminals remain available for control signals.
