Product Description:

The 05.F4.CID-4A01 frequency inverter is produced by KEB within the F4 Combivert Frequency Inverters series. Designed for industrial automation, the unit converts fixed mains power into a variable PWM output that lets control systems regulate induction motor speed and torque. It accepts three-phase supplies up to 500 V and can deliver carrier frequencies suited for both standard and high-speed machines, providing flexibility across diverse motion tasks.

Input power for the drive is supplied by a three-phase circuit that maintains balanced loading on plant distribution systems. The control section synchronizes with line cycles at 50/60 Hz, so it can be installed on grids in many regions without additional frequency converters. Its rectifier and DC link tolerate a maximum supply of 500 V, which is the highest permissible line voltage before derating or external transformers become necessary. After conversion, the inverter section produces carrier frequencies up to 1600 Hz; this wide range lets the user tune motor acoustics and dynamic response. At full modulation, the output line-to-line potential is limited to 480 V, safeguarding standard insulation classes while still providing near-mains voltage to the motor.

The inverter can supply a continuous phase current of 1.5 A, which corresponds to an apparent output power of 0.9 kVA when operating at rated voltage. These electrical limits match squirrel-cage motors with up to 0.37 kW of mechanical shaft power, covering applications such as small conveyors or metering pumps. Two selectable motor-parameter sets accommodate machines wound for 2 or 4 poles, allowing either a higher base speed or increased torque at the same frame size. A built-in braking transistor dissipates regenerated energy through an external resistor, preventing DC-bus overvoltage during rapid stops. The compact control design simplifies panel layouts, and the drive is housed in a size D enclosure that shares its mechanical dimensions with other F4 modules.