131B4250 Danfoss VLT FC-102 HVAC Drive 15 KW / 20 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss 131B4250 VLT® HVAC Drive FC 102?

The Danfoss 131B4250 is a reliable and energy-efficient AC variable speed drive (VSD) designed for precise motor control in heating, ventilation and air conditioning applications. As part of the advanced Danfoss VLT® HVAC Drive FC 102 series, it is developed for HVAC systems requiring dependable performance, efficient operation and straightforward integration into building services environments.

This drive provides intelligent HVAC motor control for fans, pumps, compressors and air handling equipment. The FC 102 series is engineered to help reduce energy consumption, improve process control and minimise mechanical wear by matching motor speed to real system demand.

With a rated output power of 15 kW / 20 HP and a three-phase 380–480 V AC supply, the Danfoss 131B4250 is ideal for commercial and industrial HVAC installations. Its IP55 / Type 12 backplate enclosure, integrated RFI Class A2 (C3) filter and graphical local control panel support reliable operation in demanding plant room and building automation applications.

Key Advantages

• Dedicated variable speed drive for HVAC applications.
• 15 kW / 20 HP motor power rating for medium to large HVAC systems.
• Three-phase 380–480 V AC input compatible with industrial power supplies.
• IP55 / Type 12 backplate enclosure for demanding installation environments.
• Integrated RFI Class A2 (C3) filter for reduced electrical interference.
• Designed to improve HVAC efficiency, reliability and motor protection.

Key Features

• Danfoss VLT® HVAC Drive FC 102 series.
• 15 kW / 20 HP rated output power.
• Three-phase 380–480 V AC input supply.
• IP55 / Type 12 protection rating.
• Integrated RFI Class A2 (C3) filter.
• Graphical Local Control Panel for easy commissioning and operation.
• No brake chopper configuration.
• B1 frame size suitable for HVAC plant and building services use.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC 102
• Model: 131B4250
• Model code: FC-102P15KT4P55H2XGXXXXSXXXXAXBXCXXXXDX
• Product type: AC variable speed drive / frequency converter
• Rated output power: 15 kW / 20 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP55 / Type 12
• RFI filter: Class A2 (C3)
• Brake chopper: No brake chopper
• Control panel: Graphical Local Control Panel
• PCB coating: Not coated PCB
• Mains option: No mains option
• Frame size: B1
• Dimensions (H × W × D): approx. 480 × 242 × 260 mm
• Weight: approx. 21.09 kg

Reliable Motor Control for HVAC Systems

Variable speed drives such as the Danfoss VLT® HVAC Drive FC 102 regulate motor speed by adjusting output frequency and voltage. This allows HVAC systems to run only as fast as required, helping lower energy use, reduce operating costs and extend the service life of connected motors and mechanical components.

The FC 102 series is designed for HVAC engineers, facilities teams and building services contractors who require stable motor control and dependable system performance. Its dedicated HVAC functionality, integrated filtering and user-friendly control interface make it suitable for both new installations and like-for-like drive replacement projects.

Typical Applications

• Air handling units and ventilation systems.
• Commercial and industrial pump control.
• Fan speed control in HVAC plant rooms.
• Compressors and refrigeration equipment.
• Cooling towers and chilled water systems.
• Building management systems and energy-saving installations.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drives are widely used by building services engineers, facilities teams and HVAC specialists to deliver efficient motor control, reliable operation and reduced energy consumption across commercial and industrial systems.