07.F4.S1D-4003 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 07.F4.S1D-4003 is part of the F4 Combivert Frequency Inverters series and weighs 3.5 kilograms. It has a maximum output frequency of 409.58 Hz, a default carrier frequency of 4 kHz, and includes a brake transistor. The inverter features a standard control type and measures 240 mm in height, 90 mm in width, and 160 mm in depth.
Internal Product Review
The 07.F4.S1D-4003 is a KEB F4 Combivert frequency inverter with standard control and an integrated brake transistor. A 4 kHz default carrier frequency supports stable motor operation, while the 409.58 Hz absolute maximum frequency gives this drive excellent range for demanding speed control.
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Product Description:
The 07.F4.S1D-4003 is an AC frequency inverter manufactured by KEB as part of the F4 Combivert Frequency Inverters series. In automated plants, this unit modulates the voltage and frequency delivered to an induction motor, allowing a PLC or standalone control loop to vary shaft speed without mechanical gear changes. Its integrated brake transistor supports dynamic braking so driven loads can stop quickly on conveyors, winders, and pump systems where deceleration control is important. This operating method also supports pumps, fans, conveyors, and similar machinery that benefits from adjustable motor speed in daily industrial use.
A maximum output frequency of 409.58 Hz is available, giving the drive a wide speed range for high-rpm applications. The inverter’s PWM stage uses a carrier frequency of 4 kHz, which balances audible noise and switching losses during operation. Logic terminals are powered from a dedicated 15 V digital I/O rail, which helps isolate the control electronics from supply disturbances. A ground-fault detector connected to the supply should trip at no less than 300 mA, helping prevent nuisance trips when long motor cables add capacitive leakage. An internal discharge network in the DC link draws more than 3.5 mA after shutdown to help reduce stored energy in the capacitors.
The drive weighs 3.5 kg and measures 240 mm high, 90 mm wide, and 160 mm deep, which suits standard control panels and leaves airflow space around the D-type housing. Protective earth conductors require a minimum cross-section of 10 mm² copper to carry fault current safely. The housing uses 5 mm mounting holes for M5 hardware, and a front-mounted potentiometer receives an internal 10 V reference for local speed adjustment. A standard control algorithm provides volts-per-hertz regulation for general motor control tasks.
