27.F5.A1U-90-A KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 27.F5.A1U-90-A is part of the F5 Combivert Axis Drives series and features a standard control board with a heat sink and fan cooling method. This drive operates with a rated input voltage of 400 V AC at 50/60 Hz and has an IP20 protection class. It supports a maximum motor power of 160 kW, rated output power of 208 kVA, and has a weight of 75 kg.
Internal Product Review
The 27.F5.A1U-90-A is a KEB F5 Combivert axis drive designed for demanding motion control, with 400 V AC three-phase input. Heat sink with fan cooling and an integrated braking transistor support consistent thermal management and dependable deceleration performance. Rated for 300 A output current and 160 kW motor power, the drive stands out as a strong solution for heavy industrial applications.
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Product Description:
The 27.F5.A1U-90-A is an AC axis drive produced by KEB for the F5 Combivert Axis Drives series. It regulates high-power induction or synchronous motors in automated machinery. The drive converts fixed-frequency mains power into a variable-frequency, variable-voltage output, allowing speed and torque control along a single machine axis. A standard control board manages the inverter gating patterns required to produce the commanded motor output.
This model is designed for three-phase networks operating at 400 V AC and is compatible with 50 Hz and 60 Hz grids. It draws a rated input current of 330 A while supplying a continuous output current of 300 A to the motor terminals. The inverter can deliver up to 208 kVA of apparent power, and its internal IGBTs operate at a rated switching frequency of 2 kHz. Heat is removed through a fan-assisted heat sink to keep the semiconductor junctions within their thermal limits. The housing uses the U form factor and includes a built-in braking transistor, allowing regenerated energy to be dissipated through an external resistor rather than returned to the mains. The drive measures 340 × 800 × 355 mm, so the cabinet must provide sufficient space for the housing and rear airflow channels.
The drive can supply up to 160 kW of motor power when required. Its gate-drive electronics support a maximum switching frequency of 8 kHz when finer pulse-width modulation is needed for acoustic or dynamic performance. Circuit protection requires a 450 A gG fuse, while the internal overcurrent protection stops inverter pulses when current exceeds the permissible limit. During brief load spikes, the unit can provide 375 A for increased motor torque. Ventilation openings and touch guards give the enclosure a protection class of IP20, protecting against contact with hazardous internal parts while permitting cooling airflow. The unit weighs 75 kg, which must be considered when selecting cabinet supports and mounting hardware.
