12.F5.A1D-3A-A KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 12.F5.A1D-3A-A is part of the F5 Combivert Axis Drives series and is designed with a standard control board. It supports a 3-phase 400 V input supply, with a maximum current of 17 A and a rated current of 9.5 A. The drive has eight digital inputs, two analog inputs with 12-bit resolution, and includes a braking transistor accessory.
Internal Product Review
The 12.F5.A1D-3A-A is a KEB F5 Combivert axis drive designed for precise motor control with a 3-phase 400 V input supply and 5 HP motor capability. Rated current of 9.5 A and maximum current of 17 A give the drive a confident operating range for demanding motion applications. A built-in braking transistor adds useful drive performance, and the 16 kHz maximum switching frequency is a strong highlight.
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Product Description:
The 12.F5.A1D-3A-A is an inverter from KEB’s F5 Combivert Axis Drives series that regulates three-phase motors in motion-control installations. Classified under inverter size code 12, it uses the manufacturer’s standard board to provide vector control, positioning, and integrated braking through the preinstalled braking transistor. In automated cells, the unit ties drive power to PLC logic by converting incoming AC power into a modulated output that matches load demand. This arrangement allows the inverter to coordinate motor torque and speed with commands from the machine control system.
The drive connects to a plant mains supply at 3-phase 400 V and delivers a rated output current of 9.5 A with a switching frequency of 8 kHz. Two analog inputs provide 12-bit resolution, enabling precise speed or torque commands from sensors, and eight digital inputs present a resistance of 2.1 kΩ to field devices such as limit switches. Internally, the standard board supplies a 24 V rail that can source 100 mA for encoder or brake-release circuits. The control section also generates filtered analog feedback; its outputs are low-pass limited to 178 Hz and pulse-width modulated at 3.4 kHz with 10-bit precision, allowing the controller to retransmit process variables without excessive ripple. Transistor output channels can sink 50 mA DC for auxiliary relays or indicator lamps.
During acceleration, the inverter can reach a peak current of 17 A while remaining within its thermal limits. The pulse frequency can be increased to a maximum of 16 kHz when quieter motor operation is required. A built-in reference source provides 10 V DC for potentiometer controls, and a dedicated low-level transistor output supports drive-ready signaling. The standard control board combines the analog and digital connections needed to exchange commands, operating states, and feedback with external equipment. The inverter supports motors with an output of up to 5 HP for axis-control applications in automated machinery.
