14.F4.F1G-4I00 KEB
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The KEB 14.F4.F1G-4I00 is part of the F4 Combivert Frequency Inverters series and features field oriented control with a standard fieldbus option. This G-size inverter comes with a braking transistor and is rated for a maximum motor power of 7.5 kW. It has an IP20 protection rating and operates in temperatures between -10 and 45°C with up to 95% relative humidity.
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Product Description:
The 14.F4.F1G-4I00 is a frequency inverter produced by KEB for the F4 Combivert Frequency Inverters series. The device converts fixed mains power into the variable-frequency AC power needed to start, stop, and regulate squirrel-cage motors in automated production lines. It provides closed-loop speed and torque control without requiring mechanical gear changes. By modulating both voltage and frequency, the inverter supports conveyors, extruders, and similar equipment that benefit from accurate electronic drive control. This regulation can improve operating efficiency and reduce mechanical wear during frequent speed changes, acceleration, and deceleration.
This model operates with a vector algorithm based on field-oriented control, so torque and magnetic flux are calculated independently for a quick dynamic response. Its enclosure follows the G-size housing format, which provides a consistent mechanical footprint for mounting and airflow inside a cabinet. The inverter can deliver up to 7.5 kW of rated motor power for continuous operation of a compatible connected motor. The IP20 protection class guards against accidental contact with internal electrical parts and permits installation in clean electrical rooms or ventilated control panels. Reliable electronic operation is supported across an ambient temperature range of -10 to 45 °C, allowing the unit to tolerate typical industrial conditions without derating. Adequate cabinet ventilation remains necessary to carry heat away from the enclosure during sustained operation.
An integrated braking transistor provides controlled energy dissipation during rapid deceleration, eliminating the need for an external braking chopper. Communication with higher-level controllers is handled through a standard fieldbus interface, allowing basic run, stop, and setpoint commands to be exchanged without proprietary communication modules. The coated power stage and control board resist ambient moisture and airborne contaminants that could otherwise affect electronic components. The drive tolerates up to 95% relative humidity when condensation is prevented. This moisture tolerance supports operation in industrial cabinets where humidity may vary because of production processes or changes in surrounding air temperature.
