15.F5.E1E-350A KEB
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The 15.F5.E1E-350A is an axis drive from the F5 Combivert Axis Drives series manufactured by KEB. It provides a peak current of 43 Amps and supports up to 15 horsepower synchronous motors. This drive includes 8 digital inputs, 2 analog inputs, and 2 analog outputs, with an enclosure rating of IP20 and a switching frequency of 4 kHz.
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Product Description:
The 15.F5.E1E-350A is an axis inverter built by KEB for the F5 Combivert Axis Drives series. Classified under the E housing form factor and size code 15, the unit is installed inside a control cabinet to regulate synchronous motors in automated machinery. By rectifying and modulating three-phase mains power, the drive supplies variable voltage and frequency to the connected motor so its position or speed can be managed without mechanical throttling.
The power section accepts a three-phase input of 3-Ph 400 V AC/DC and delivers a continuous output of 24 A. During acceleration or rapid load changes, it can reach a peak of 43 A before the electronic protection limits are engaged. Pulse patterns are generated at a switching frequency of 4 kHz, balancing acoustic noise against semiconductor losses. The control board completes an I/O scan every 1 ms, allowing a fast response to its eight digital inputs, two analog inputs, and two analog outputs. Because no encoder interface is fitted, the drive relies on sensorless control algorithms to estimate rotor position during synchronous motor operation. An overcurrent trip point is set at 180 percent of the nominal current, so persistent faults are isolated before the device is damaged.
The inverter supports up to 15 HP of motor power on a 400 V supply. For intermittent overloads, it tolerates a short-time current of 150 percent of the rated value, while a built-in braking transistor dissipates regenerated energy during deceleration. The enclosure is rated IP20, so it must be mounted inside a ventilated panel that prevents accidental contact with live parts. Slip compensation and flux optimization help maintain stable torque without feedback devices, while the sensorless control mode supports precise speed regulation in general industrial automation. The cabinet must provide sufficient airflow around the inverter to remove heat from the power electronics during continuous operation. Proper panel installation also protects the open enclosure from conductive debris and unintended contact while preserving access to the control and power connections.
