14.F4.C1E-4A01 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 14.F4.C1E-4A01 is part of the F4 Combivert Frequency Inverters series and features three input and output phases. It supports a maximum motor power of 7.5 kW, an output power of 11 kVA, and operates with a rated input voltage of 400 V. The inverter has a rated switching frequency of 8 kHz with a maximum of 16 kHz, and its protection class is IP20.
Internal Product Review
The 14.F4.C1E-4A01 is a KEB F4 Combivert frequency inverter built for three-phase 400 V drive applications. Rated for 7.5 kW motor duty with 16.5 A output current, the inverter delivers stable performance and solid load control in industrial setups. IP20 protection and a 16 kHz maximum switching frequency make this model a strong choice for clean cabinet installations and flexible drive tuning.
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Product Description:
The 14.F4.C1E-4A01 frequency inverter manufactured by KEB belongs to the F4 Combivert Frequency Inverters series. It is a three-phase AC drive that regulates induction motor speed in automated machinery and conveying equipment. By converting fixed mains voltage into a variable output frequency, the unit allows process control while protecting connected motors during changes in speed and load. This makes it suitable for conveyors, fans, and similar systems that benefit from adjustable acceleration, controlled stopping, and stable speed regulation during routine operation.
Electrically, the drive is designed for a rated supply of 400 V across three input phases and draws an input current of 18.1 A under nominal load. A maximum fuse size of 25 A is recommended on the mains side to isolate fault conditions without oversizing upstream protection. Internally, a braking chopper accepts external resistors of at least 50 Ω so regenerated energy from decelerating loads can be dissipated safely. The inverter can deliver up to 7.5 kW of mechanical power, corresponding to an output apparent power of 11 kVA on its three output phases. Continuous motor current is 16.5 A, and short-time overloads up to 29.7 A are permitted before an overcurrent trip occurs at 36.3 A. The standard carrier frequency is 8 kHz, which balances switching behavior and acoustic performance for general industrial use.
Thermally, the device limits heat sink temperature to 73 °C; when this threshold is approached, the controller reduces output to protect semiconductor junctions. A typical power loss of 240 W must be removed by panel ventilation, which suits the unit's IP20 enclosure for cabinet installation. For applications that need lower audible noise or smoother torque delivery, the switching frequency can be raised to 16 kHz as long as additional cooling is provided. Cabinet airflow should carry heat away from the power section to maintain stable operation during sustained load.
