16.F4.C2H-LLCB KEB
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The KEB 16.F4.C2H-LLCB is part of the F4 Combivert Frequency Inverters series and features a maximum rated motor power of 15 kW. This H-size housing inverter operates within temperatures from -10 to 45°C and supports up to 2000 meters site altitude. It provides 2 programmable analog inputs, 4 digital inputs, 2 relay outputs, and comes with IP20 protection and an integrated filter.
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Product Description:
The 16.F4.C2H-LLCB frequency inverter is produced by KEB for the F4 Combivert Frequency Inverters series. As a COMBIVERT F4 unit, it converts fixed three-phase mains power into variable voltage and frequency that match the requirements of asynchronous motors in automated production lines. The device integrates speed regulation, acceleration ramps, and fault supervision in a single enclosure, allowing machine builders to drive conveyors, pumps, or ventilators without separate soft starters or mechanical throttling.
The inverter supports a maximum motor rating of 15 kW, which indicates the continuous shaft power available when the unit is paired with a suitable motor. Its housing provides an IP20 degree of protection, so the unit requires a closed electrical cabinet to prevent accidental contact and limit exposure to dust. Ambient operation is permitted from -10 to 45 °C; within this range, the control electronics remain within their thermal limits without derating. Installation is acceptable at elevations up to 2000 m above sea level. Above that elevation, the output current must be reduced by 1% per 100 m because thinner air reduces cooling efficiency. The mechanical frame uses the H-size code, providing adequate heat sink area and terminal spacing for the 15 kW power class.
An integrated filter suppresses conducted emissions and helps the drive meet electromagnetic compatibility requirements. The drive accepts two programmable analog inputs, one analog output, four digital inputs, one digital output, and two programmable relay outputs that can report operating or fault status to higher-level controllers. It tolerates relative humidity up to 95% without condensation, allowing operation in damp production spaces when moisture does not collect on its components. The inverter can be stored at temperatures ranging from -25 °C to 70 °C. This storage range accommodates seasonal temperature changes in unconditioned warehouses while the unit is not operating. Proper cabinet ventilation remains necessary to maintain acceptable airflow around the heat sink during service.
