Danfoss Inverter Drive 4 kW 3 Phase Variable Speed Panel Mount VLT FC51 400V AC 9A FC51

Danfoss FC51 Inverter Drive 4 kW is a high-performance variable speed drive engineered for three-phase AC motors and intended for industrial and automation applications requiring precise motor control. It operates on a 400V AC supply and delivers a maximum output current of 9 amperes. The drive is panel-mounted with compact dimensions (90 mm length, 239 mm width, and 194 mm depth) and an IP20 rating ensuring protection in controlled environments.

This inverter integrates advanced features including an automatic energy optimizer and motor tuning capabilities, which enhance operational efficiency and reduce energy consumption. The process PI-controller enables precise speed and torque control, while built-in safety features such as an electronic thermal relay and brake functions ensure safe operation in demanding industrial workflows.

Compatible with AC motors, the Danfoss FC51 series supports output frequencies of 200 and 400 Hz, making it adaptable to various industrial processes like centrifugal pumps, radial and axial fans, compressors, and conveyors. It is designed for operation up to 50°C ambient temperature, ensuring reliability in typical industrial environments.

The product complies with international standards including ISO 14001 for environmental management, RoHS for hazardous substances restriction, and WEEE for waste electrical and electronic equipment directives, reflecting Danfoss's commitment to sustainable manufacturing.

Please note that this drive is delivered without a control panel. Optional control panels with LCD are available separately in two versions: IP54 rated without potentiometer and IP21 rated with potentiometer.

Delivers 4 kW power with a maximum output current of 9 A. Operates on 3-phase 400V AC supply ensuring efficient motor control. Equipped with process PI-controller for precision operation. Includes features such as Automatic Energy Optimizer and Motor Tuning for energy savings.

Supports output frequencies of 200 and 400 Hz for versatile application. Built-in electronic thermal relay and brake functions enhance safety and functionality. Mount type is panel, rated IP20 for environment protection.

Compact dimensions (90 mm length x 239 mm width x 194 mm depth). Designed to operate up to 50°C ambient temperature. Complies with ISO 14001, RoHS, and WEEE standards. Suitable for centrifugal pumps, fans, compressors, and conveyors in industrial automation.

Danfoss products are trusted worldwide for industrial automation and motor control. Explore more in the Automation & Control Gear category on EnvMart for compatible drives and accessories.