07.F4.S2C-1220 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 07.F4.S2C-1220 is a frequency inverter belonging to the F4 Combivert Frequency Inverters series. It operates on a single input phase with a maximum motor power of 0.75 kW and a supply voltage of 230 V AC. The inverter has a nominal input current of 8 A and supports a maximum braking current of 7 A.
Internal Product Review
The 07.F4.S2C-1220 is a KEB F4 Combivert frequency inverter built for dependable single-phase 230 V AC drive control. An output nominal current of 4 A and max motor power of 0.75 kW make the unit well suited for compact motion applications with stable power delivery. The 4 kHz rated switching frequency is a standout feature for smooth low-power motor operation.
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Product Description:
The 07.F4.S2C-1220 is a speed-controlled drive from the F4 Combivert Frequency Inverters series manufactured by KEB. Designed for small machine zones that run on single-phase mains, the unit converts fixed line voltage into variable frequency and amplitude for standard AC motors used in conveyors, pumps, and light processing equipment. By modulating output frequency, it allows process speed adjustment, reduced energy use, and soft starting without mechanical throttling. This makes it suitable for compact automation panels where simple motor speed control is required.
The inverter is intended for use with common upstream protection devices and standard AC motors. It is built for a supply class of 230 V AC with one input phase and draws a nominal input current of 8 A, while the mains fuse must not exceed 20 A. Internally, insulated-gate bipolar transistors switch the DC link at a rated frequency of 4 kHz, which balances acoustic noise with transistor heat loss. At the output terminals, the drive can deliver a continuous current of 4 A, which corresponds to a nominal apparent power of 1.6 kVA. Overcurrent shutdown occurs when motor current reaches 8.8 A, helping protect both the motor windings and the power stage during overload conditions.
Short-term loading is supported by a maximum short-time current of 7.2 A, and the connected machine may demand up to 0.75 kW of mechanical power without exceeding the drive's thermal capacity. The aluminum heat sink is allowed to reach 85 °C before temperature monitoring causes a trip. For dynamic deceleration, an external braking resistor as low as 56 Ω can be used, and many installations use 100 Ω so that braking channel current remains below 7 A. Motor leads should use 2.5 mm² conductors to limit voltage drop, and the single-phase line cross section matches that sizing to keep wiring losses under control.
