VLB30550A480XX - 3PH VLB3 POWER UNIT 55KW 400V

Why Choose the Lovato VLB30550A480XX VLB3 Power Unit?

The Lovato VLB30550A480XX is a heavy-duty AC variable speed drive power unit from the advanced Lovato VLB3 series, designed to provide efficient and reliable control of three-phase motors in demanding industrial automation environments. This modular power-only unit is supplied without the logic and operator unit, allowing machine builders and automation engineers to create customised motor control solutions tailored to specific application requirements.

Engineered for high-power industrial applications, the VLB30550A480XX incorporates a built-in Category C2 EMC suppressor, modular architecture and compact book-style housing. The drive platform supports a wide range of optional communication and control modules, enabling seamless integration into modern automation systems.

With a rated output power of 55 kW and a three-phase 400–480 V AC supply, this power unit is ideal for large conveyors, pumps, fans, compressors, process machinery and manufacturing systems requiring dependable motor control and energy-efficient operation.

Key Advantages

• Modular power unit architecture for flexible automation system design.
• 55 kW motor power rating suitable for demanding industrial applications.
• Three-phase 400–480 V AC input compatible with industrial power networks.
• Integrated Category C2 EMC suppressor for improved electromagnetic compatibility.
• Supports optional communication and logic modules.
• Energy-efficient motor control improves process performance and reliability.

Key Features

• Lovato VLB3 series power unit.
• 55 kW rated output power.
• 110 A rated output current.
• Three-phase 400–480 V AC input supply.
• Output voltage up to 480 V AC.
• Output frequency range from 0–599 Hz.
• Integrated EMC suppressor Category C2.
• Built-in braking chopper for braking applications.
• Book-style housing for panel mounting.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: VLB3 Variable Speed Drives
• Model: VLB30550A480XX
• Product type: Variable speed drive power unit
• Rated output power: 55 kW
• Rated output current: 110 A
• Input voltage: 400–480 V AC
• Input phases: 3-phase
• Operating voltage range: 340–528 V AC
• Frequency: 50 / 60 Hz
• Output voltage: Three-phase 0–480 V AC
• Output frequency: 0–599 Hz
• Protection rating: IP20
• EMC filter: Built-in EMC suppressor Category C2
• Brake chopper: Integrated
• Housing: Book housing
• Mounting type: Panel / cabinet mounting
• Weight: approx. 24 kg
• EAN: 8013975227763

Flexible Motor Control for High-Power Applications

The VLB30550A480XX regulates motor speed and torque by varying output voltage and frequency, delivering smooth acceleration, controlled deceleration and accurate process control. This helps reduce mechanical stress on driven equipment while improving energy efficiency and operational consistency.

The modular VLB3 platform supports optional communication technologies including Modbus-RTU, Modbus-TCP, CANopen, ProfiBUS, ProfiNET, EtherCAT and IO-Link, making it suitable for integration into advanced industrial automation systems.

Typical Applications

• Heavy-duty conveyors and material handling systems.
• Industrial pumps, fans and HVAC equipment.
• Compressors and process machinery.
• Packaging and production equipment.
• Manufacturing and assembly systems.
• OEM machinery and modular automation panels.

Trusted by Industrial Automation Professionals

Lovato VLB3 modular drive systems are trusted by machine builders and automation engineers for delivering scalable, efficient and reliable motor control solutions across demanding industrial applications.