Home KEB F4 Combivert Frequency Inverter Series 07.F4.81D-3420

07.F4.81D-3420

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The F4.81D-3420 frequency inverter ensures precise motor control with a 4 A nominal output current and 8.8 A OC tripping current. It features a 16 kHz rated frequency and 65 W power loss.

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Product Description

The model 07.F4.81D-3420 is a frequency inverter designed for industrial motor control applications. It’s ideal for use in environments where precise control and reliable operation are essential.

The KEB F4.81D-3420 frequency inverter features a nominal output current of 4 A and a maximum short time current of 7.2 A to provide robust performance under varying conditions. It operates with a rated frequency of 16 kHz that ensures efficient power conversion and minimal harmonic distortion. The inverter has an OC tripping current of 8.8 A to offer protection against overloads and short circuits. The nominal input current is 8 A and the inverter requires a line cross section of 2.5 mm². Under normal operating conditions, the power loss is 65 W to ensure that the system remains energy efficient during operation.

The F4 Combivert frequency inverter series model offers versatility with 14 fixed and one user definable parameter group. The run parameter group is particularly useful for monitoring and troubleshooting as it displays key metrics such as speed, current and voltage. This real time data helps assess the drive’s operational status and can be invaluable during start up or when diagnosing faults. Additionally, the ru.8 parameter allows for the detection of short time peak loads during an operating cycle. This function stores the highest detected value from ru.7 that allows operators to track and address performance spikes. The peak memory can be cleared manually or automatically by pressing the UP or DOWN keys or through bus communication. Disconnection of the inverter also clears the memory. The ru.12 parameter of the inverter is designed to detect short-duration voltage spikes that may occur within an operational cycle. This functionality works by continuously monitoring the voltage levels during the cycle

07.F4.81D-3420 Technical Specifications

Power Output:	200W
Rated Operating Frequency:	16 kHz
Input Voltage:	110-240VAC
Frequency:	50/60Hz
Efficiency:	85%
Protection Class:	IP67
Output Nominal Current:	4 Amp
Max. Short-time Current:	7.2 A
OC-Tripping Current:	8.8 A
Nominal Input Current:	8 Amp

Frequently Asked Questions about 07.F4.81D-3420

Q: What is the output current of the KEB F4.81D-3420 frequency inverter?

A: The F4.81D-3420 frequency inverter has a nominal output current of 4 A. It can handle a maximum short time current of 7.2 A under specific conditions, ensuring stable operation.

Q: How does the KEB F4.81D-3420 handle overloads and short circuits?

A: The F4.81D-3420 features an overload current (OC) tripping current of 8.8 A. This provides protection against overloads and short circuits, ensuring reliable operation in harsh industrial environments.

Q: What is the rated frequency of the KEB F4.81D-3420 inverter?

A: The F4.81D-3420 operates with a rated frequency of 16 kHz. This high-frequency operation ensures efficient power conversion with minimal harmonic distortion, providing smooth performance for motor control.

Q: What are the power loss specifications for the KEB F4.81D-3420?

A: Under normal operating conditions, the KEB F4.81D-3420 frequency inverter experiences a power loss of 65 W. This ensures energy efficiency and reduces unnecessary heat generation during continuous operation.

Q: What are the key parameters available on the KEB F4.81D-3420 inverter for monitoring?

A: The F4.81D-3420 offers 14 fixed and one user-definable parameter group. The “run” parameter group displays real-time metrics like speed, current, and voltage, helping operators diagnose issues during startup or troubleshooting.

Internal Product Review

‘‘The F4.81D-3420 is an ideal choice for industrial motor control applications. It offers robust performance with a 4 A nominal current and overload protection up to 8.8 A. Its 16 kHz frequency and 65 W power loss ensure efficient operation, making it a reliable and energy-efficient option for demanding environments.’’