134F9045 Danfoss VLT Refrigeration Drive FC 103 37 KW / 50 HP, Three phase 380 - 480 VAC, IP55

Why Choose the Danfoss 134F9045 VLT® Refrigeration Drive?

The Danfoss 134F9045 is a powerful and efficient AC variable frequency drive (VFD) designed for refrigeration, compressor, pump and fan applications. As part of the advanced Danfoss VLT® Refrigeration Drive FC 103 series, it is engineered to optimise energy use, improve motor control and extend the operating life of refrigeration system components.

This drive provides precise speed regulation for demanding refrigeration and HVAC environments. The FC 103 platform is specifically developed for refrigeration systems, offering application-focused functionality that supports stable operation, reduced mechanical stress and improved system efficiency across variable load conditions.

With a rated output power of 37 kW (50 HP) and a three-phase 380–480 V AC input supply, the Danfoss 134F9045 is ideal for compressors, condenser fans, evaporator fans, pumps and industrial refrigeration equipment. Its IP55 / Type 12 enclosure provides enhanced protection for industrial and plant room installations.

Key Advantages

• Specialist variable frequency drive for refrigeration applications.
• 37 kW motor power rating suitable for larger refrigeration and HVAC systems.
• Three-phase 380–480 V AC input for industrial power networks.
• IP55 / Type 12 enclosure for enhanced environmental protection.
• Integrated RFI Class A2 filter for improved electromagnetic compatibility.
• Graphical Local Control Panel included for convenient setup and monitoring.
• Designed for reliable motor control in demanding refrigeration environments.

Key Features

• Danfoss VLT® Refrigeration Drive FC 103 series.
• 37 kW (50 HP) rated output power.
• 65 A continuous output current.
• Three-phase 380–480 V AC input supply.
• Three-phase motor output.
• IP55 / Type 12 enclosure protection.
• RFI Class A2 EMC filter.
• Graphical Local Control Panel (LCP) included.
• Frame size C1 construction.
• No brake chopper configuration.
• Not coated PCB.
• No mains option fitted.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® Refrigeration Drive FC 103
• Model: 134F9045
• Alternative SKU: FC-103P37KT4E55H2XGXXXXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 37 kW (50 HP)
• Continuous output current: 65 A
• Intermittent output current: 71.5 A
• Input voltage: 380–480 V AC
• Input phases: Three-phase
• Output: Three-phase motor output
• Frequency: 50 / 60 Hz
• Protection rating: IP55 / Type 12
• EMC filter: RFI Class A2
• Mounting type: Wall or panel mounting
• Frame size: C1
• Dimensions (H × W × D): approx. 685 × 308 × 311 mm
• Net weight: approx. 37.29 kg
• Gross weight: approx. 40.29 kg
• Control panel: Graphical Local Control Panel (LCP)
• Brake chopper: Not included
• PCB coating: Not coated PCB
• Mains option: No mains option
• EAN: 5710107493357

Efficient Motor Control for Refrigeration Systems

The Danfoss VLT® Refrigeration Drive FC 103 is designed to support efficient operation of refrigeration systems by matching motor speed to real cooling demand. This helps reduce energy consumption, improve temperature stability and lower mechanical stress on compressors, fans and pumps.

By using variable speed control instead of fixed-speed operation, the Danfoss 134F9045 helps refrigeration equipment operate more smoothly and efficiently. Its IP55 enclosure, integrated RFI Class A2 filtering and graphical control interface make it a practical choice for professional refrigeration engineers and industrial maintenance teams.

Typical Applications

• Industrial refrigeration systems.
• Commercial refrigeration plant.
• Compressor control applications.
• Condenser and evaporator fans.
• Refrigeration pumps.
• Cold storage and food processing facilities.
• HVAC and cooling systems.
• Process cooling installations.

Trusted by Refrigeration Professionals Worldwide

Danfoss VLT® Refrigeration Drive FC 103 solutions are widely used in commercial and industrial refrigeration systems to deliver dependable motor control, improved energy efficiency and long-term operational reliability.