KEB Combivert F5 09F5C1B-3A0A Frequency Inverter

The KEB 09F5C1B-3A0A is a versatile frequency inverter from the Combivert F5 series. This 1.5 kW drive provides precise speed and torque control for AC motors. It is designed for reliable performance in a wide range of industrial automation applications.

Core Electrical Specifications

• Manufacturer & Model: KEB 09F5C1B-3A0A Combivert F5 Drive.
• Rated Power: 1.5 kW output capacity.
• Supply Voltage: 3-phase 400 VAC, 50/60 Hz input.
• Input Current: 4.1 A nominal; Maximum current of 8.9 A for overloads.
• Output: 0-480 VAC, 0-800 Hz, 4.1 A for flexible motor control.
• Switching Frequency: Adjustable 8 / 16 kHz for noise and performance optimization.

Control & Safety Features

• Feedback Support: Compatible with resolver, incremental, Sin/Cos, and absolute encoders.
• Safety Monitoring: Includes short-circuit and earth fault monitoring for system protection.
• Communication: Features serial interfaces and a potential-free operator connection.
• Standards Compliance: Meets EN 61800-2, -5-1 (safety) and EN 61800-3 (EMC) standards.
• Enclosure: IP20 rated for installation in protected, indoor control cabinets.
• Physical Dimensions: Compact size: 220mm (H) x 90mm (W) x 160mm (D).

Packaging & Shipping Information

• One KEB 09F5C1B-3A0A Frequency Inverter unit.
• Installation manual and technical documentation.
• All necessary mounting hardware.
• Fast international shipping via FedEx, UPS, and DHL services.

Professional FAQ

• What motor types can this 1.5 kW inverter control?

It is designed to control standard three-phase asynchronous (induction) motors. The wide output frequency range (0-800 Hz) also makes it suitable for controlling spindle motors and other specialized AC motors.

• Why is support for multiple feedback types important?

This flexibility allows the 09F5C1B-3A0A to be integrated into both simple (sensorless or with incremental encoder) and high-performance closed-loop systems (using resolver or absolute encoder) for applications requiring precise speed or position control.

• What is the purpose of the potential-free operator connection?

This isolates the control terminals (e.g., for start/stop commands, speed potentiometer) from the drive's main power circuit. It enhances safety for the operator and prevents ground loops or electrical noise from interfering with control signals.

• How does the short-circuit monitoring protect the system?

The drive continuously monitors its output for a short-circuit condition (e.g., a motor winding fault). If detected, it shuts off the output power within microseconds to prevent damage to the inverter's power components.

• Can this drive operate a motor at very low speeds?

Yes, with the appropriate feedback device (like an encoder), it can provide stable torque and speed control at very low RPMs, even down to zero speed, which is essential for applications like crane movement or tension control.

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