134F0427 Danfoss VLT FC-102 HVAC Drive 37 KW / 50 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss 134F0427 VLT HVAC Drive FC-102?

The Danfoss 134F0427 is a powerful and dependable VLT® HVAC Drive FC-102 variable frequency drive designed for precise motor control in heating, ventilation, air conditioning and refrigeration applications. As part of the professional Danfoss VLT HVAC Drive FC-102 series, it is engineered to deliver efficient speed regulation, reliable operation and strong performance in demanding commercial and industrial HVAC systems.

This drive is dedicated to HVAC applications, providing smooth and efficient control of fans, pumps and compressors while helping reduce energy consumption, mechanical stress and operating costs. With integrated Safe Stop functionality, a graphical local control panel and MCB-112 PTC thermistor card, the Danfoss 134F0427 is suitable for professional installations requiring reliable performance, motor protection and straightforward commissioning.

With a rated output power of 37 kW / 50 HP and a three-phase 380-480 V AC supply, the Danfoss 134F0427 is well suited to larger HVAC motor control applications. Its IP55 / Type 12 enclosure and frame size C1 construction make it a robust solution for plant rooms, technical areas and industrial drive installations.

Key Advantages

• Dedicated VLT HVAC Drive FC-102 for heating, ventilation and refrigeration applications.
• 37 kW / 50 HP motor power rating suitable for larger HVAC systems.
• Three-phase 380-480 V AC input for commercial and industrial power supplies.
• IP55 / Type 12 enclosure for robust protected installation environments.
• Integrated Safe Stop function for enhanced operational safety.
• MCB-112 PTC thermistor card for motor thermal protection.
• Graphical local control panel for straightforward setup, monitoring and commissioning.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 37 kW / 50 HP rated output power.
• Three-phase 380-480 V AC mains supply.
• IP55 / Type 12 enclosure.
• RFI Class A1/B (C1) filter.
• Integrated Safe Stop functionality.
• Graphical local control panel included.
• No mains option configuration.
• No A option configuration.
• MCB-112 PTC thermistor card included.
• Not coated PCB construction.
• Frame size C1 for professional HVAC installations.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model / type code: FC-102P37KT4E55H3TGXXXXSXXXXAXB2CXXXXDX
• Product code / SKU: 134F0427
• Product type: HVAC variable frequency drive / frequency converter
• Rated output power: 37 kW / 50 HP
• Supply voltage: 380-480 V AC
• Input phases: Three phase
• Apparent power: 50.6 kVA
• Continuous current: 73 A
• Intermittent current: 80.3 A
• Power loss: 739 W
• Enclosure rating: IP55 / Type 12
• RFI filter: Class A1/B (C1)
• Brake / safety function: Safe Stop
• Control panel: Graphical local control panel
• PCB coating: Not coated PCB
• Mains option: No mains option
• A option: No A option
• B option: MCB-112 PTC thermistor card
• C1 option: No C1 option
• D option: No D option
• ATEX marking: II (2) G [Ex eb Gb] [Ex db Gb] / II (2) D [Ex tb Db]
• Frame size: C1
• Dimensions (H × W × D): approx. 685 × 308 × 311 mm
• Depth with option A/B: approx. 311 mm
• Net weight: approx. 39.94 kg
• Gross weight: approx. 42.94 kg
• Volume: 176.054 litres
• EAN: 5710107401345

Efficient Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss VLT HVAC Drive FC-102 regulate motor speed by adjusting the output frequency and voltage supplied to the motor. This allows HVAC equipment to respond to actual system demand rather than running continuously at full speed, helping to reduce energy use, noise, mechanical wear and unnecessary operating costs.

The FC-102 range is purpose-built for ventilation, heating and refrigeration applications. With its 37 kW output rating, IP55 enclosure, RFI Class A1/B filtering, Safe Stop function, graphical control panel and MCB-112 PTC thermistor card, the Danfoss 134F0427 provides a dependable motor control solution for plant rooms, building services systems and industrial HVAC installations.

Typical Applications

• HVAC fan speed control systems.
• Air handling units and ventilation equipment.
• Commercial heating and cooling systems.
• Pump control in building services installations.
• Refrigeration and compressor-related applications.
• Plant room motor control and energy optimisation projects.
• Industrial HVAC and facilities management systems.

Trusted by HVAC Engineers and Building Services Professionals

Danfoss VLT HVAC Drive FC-102 drives are widely used by building services engineers, HVAC contractors and industrial maintenance teams to deliver efficient motor control, reliable operation and improved HVAC system performance.