131B4991-1.1 KW / 1.5 HP, 380 - 480 VAC, IP20 / Chassis,RFI Class A2 (C3), No brake chopper, No Mains OptionNo A Option, No B Option, Not Coated PCB

Why Choose the Danfoss 131B4991 VLT® HVAC Drive FC-102?

The Danfoss 131B4991 is a compact and efficient HVAC variable frequency drive (VFD) designed for precise motor speed control in heating, ventilation, air conditioning and refrigeration systems. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, this drive is engineered for smaller HVAC motors, building services equipment and energy-saving automation applications.

The FC-102 series is purpose-built for HVAC environments, helping optimise airflow, pump performance and system control while reducing energy consumption and mechanical wear. With integrated RFI filtering, standard software and a compact chassis format, the Danfoss 131B4991 supports reliable operation in protected electrical panels and control cabinets.

With a rated output power of 1.1 kW / 1.5 HP and a three-phase 380–480 V AC supply, the Danfoss 131B4991 is ideal for small HVAC fans, pumps and ventilation equipment. Its IP20 / chassis enclosure is designed for cabinet-mounted installations in protected indoor environments.

Key Advantages

• Compact HVAC variable frequency drive for small motor control applications.
• 1.1 kW / 1.5 HP motor power rating suitable for fans and pumps.
• Three-phase 380–480 V AC input compatible with industrial power systems.
• IP20 / chassis enclosure for protected cabinet installations.
• Integrated RFI Class A2 (C3) filter for improved EMC performance.
• Efficient speed control helps reduce energy consumption and mechanical stress.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 1.1 kW / 1.5 HP rated output power.
• Three-phase 380–480 V AC input supply.
• IP20 / chassis enclosure.
• Integrated H2 RFI Class A2 (C3) filter.
• No brake chopper.
• No local control panel included.
• Compact A2 frame size for panel mounting.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Part number: 131B4991
• Model code: FC-102P1K1T4E20H2XXXXXXSXXXXAXBXCXXXXDX
• Product type: HVAC variable frequency drive
• Rated output power: 1.1 kW / 1.5 HP
• Input voltage: 380–480 V AC
• Input phases: Three phase
• Frequency: 50 / 60 Hz
• Protection rating: IP20 / Chassis
• Mounting type: Cabinet / panel mounting
• Frame size: A2
• RFI filter: H2 RFI Class A2 (C3)
• Brake chopper: No brake chopper
• Control panel: No local control panel
• PCB coating: Not coated PCB
• Mains option: No mains option
• Software: Latest release standard software

Efficient Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss VLT® HVAC Drive FC-102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC systems to match motor output to real operating demand, helping reduce energy use, improve system control and extend equipment service life.

The FC-102 range is designed for HVAC engineers, facilities managers and building automation specialists who need dependable control of fans, pumps and refrigeration equipment. Its compact format, integrated filtering and dedicated HVAC functionality make it suitable for efficient motor control in protected indoor installations.

Typical Applications

• Small HVAC fan and ventilation systems.
• Heating and cooling pump control.
• Building services equipment.
• Air handling and extraction systems.
• Commercial refrigeration equipment.
• Energy-efficient control cabinet installations.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drive FC-102 variable frequency drives are trusted by HVAC engineers and facilities managers for reliable motor control, energy-efficient operation and dependable performance in commercial and industrial environments.