15.F4.F1G-4I14 KEB
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The KEB 15.F4.F1G-4I14 is a frequency inverter from the F4 Combivert Frequency Inverters series, designed for three-phase AC motors and offering an output nominal power of 17 kVA. It features an IP20 enclosure rating, operates with a maximum heat sink temperature of 90°C, and weighs 10 kilograms. The inverter includes an integrated braking transistor and cooling fan, and is suitable for vertical mounting up to 2000 meters elevation.
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Product Description:
The 15.F4.F1G-4I14 is an AC drive manufactured by KEB for the F4 Combivert Frequency Inverters series. It converts fixed-frequency mains power into a variable-frequency output so that three-phase induction motors can match process speed and torque requirements in automated equipment. By adjusting voltage and frequency through its internal control logic, the inverter supports precise motor regulation, reports faults to the plant PLC, and uses a G-style housing intended for vertical cabinet mounting. This type of control helps stabilize process behavior during speed changes and load variation on conveyors, mixers, and similar machinery. It also supports repeatable acceleration and deceleration profiles during normal operation.
The enclosure carries an IP20 rating, meaning live parts are finger-safe, but the drive must be protected from dust and liquids by the cabinet. Nominal apparent output power is 17 kVA, and the unit is suited for applications with a continuous motor output of 11.0 kW. Thermal operation is limited by a heat-sink temperature of 90 °C, and an integrated fan helps keep the unit below that level under rated load. Environmental class 3K3 indicates use in clean, ventilated industrial spaces without corrosive contaminants. Because the enclosure is not sealed against contamination, the surrounding cabinet must provide the necessary physical barrier and ventilation.
For installation, the inverter tolerates ambient relative humidity up to 95% without condensation. It can operate at elevations up to 2000 m above sea level before derating is required. The power section weighs 10 kg, which keeps handling requirements moderate during panel installation. An integrated cooling fan removes internal heat, and a built-in braking transistor handles regenerative energy during rapid deceleration. Vertical mounting maintains a clear airflow path and keeps the power and control terminals aligned toward the top of the cabinet. These installation limits should be observed so cooling performance and electrical clearance remain within the intended operating range.
