13.F4.087-E409 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 13.F4.087-E409 is a frequency inverter in the F4 Combivert Frequency Inverters series. It supports three input phases and delivers a maximum rated motor power of 5.5 kW with a nominal input current of 13.2 A at 400 V. The inverter provides a maximum output frequency of 409.5875 Hz and an output nominal power of 8.3 kVA, while featuring IP20 protection and handling up to 95% relative humidity.
Internal Product Review
The 13.F4.087-E409 is a KEB F4 Combivert frequency inverter well suited for 400 V three-phase drive applications. A 12 A nominal output current and 5.5 kW rated motor power support dependable motor control across demanding operating conditions. IP20 protection and a 409.5875 Hz maximum output frequency make the unit a strong choice for controlled high-speed performance.
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Product Description:
KEB manufactures the 13.F4.087-E409 as part of its F4 Combivert Frequency Inverters series for general-purpose industrial automation. The device is a variable-frequency inverter that modulates the electrical supply to induction or synchronous motors, allowing conveyor lines, pumps, or material-handling equipment to run at application-specific speeds instead of the fixed utility frequency. By adjusting voltage and frequency simultaneously, the inverter maintains constant torque across a broad speed band. That control method also helps the connected motor respond more smoothly to changing process demand during routine machine operation.
Three-phase mains power enters the inverter at a nominal line voltage of 400 V, and the input side draws a nominal current of 13.2 A under rated operating conditions. Internally, the unit rectifies and modulates this supply to deliver up to 12 A of sinusoidal current at the motor terminals, corresponding to an apparent output power of 8.3 kVA. The inverter can raise the output frequency to a maximum of 409.5875 Hz, enabling high-speed spindle or blower operation well above the standard 50/60 Hz range. Its three-phase input arrangement helps keep plant loading balanced while supporting steady motor control across a wide operating range.
Thermal and installation limits are addressed through a climatic class of 3K3, which permits installation inside switchgear where convection cooling is available. The electronics tolerate ambient moisture levels up to 95% relative humidity without condensation, and the housing carries an ingress protection level of IP20, limiting the device to clean, indoor cabinets. On the load side, the inverter is sized for motors up to 5.5 kW and can drive them over shielded motor cable runs as long as 100 m to help control electromagnetic interference. This layout suits cabinet-based drive systems where cable routing, heat dissipation, and motor compatibility must be managed within a shared three-phase supply.
