131Z6251 Danfoss VLT HVAC Drive 11KW/15HP 380-480VAC IP66

Why Choose the Danfoss 131Z6251 VLT HVAC Drive?

The Danfoss 131Z6251 is a robust and energy-efficient AC variable frequency drive (VFD) from the proven Danfoss VLT HVAC Drive FC 102 series. Designed specifically for heating, ventilation, air conditioning and refrigeration applications, it provides precise speed control for three-phase motors while helping reduce energy consumption and improve system reliability.

This HVAC drive is engineered for pumps, fans and compressors used in commercial buildings, plant rooms and industrial ventilation systems. With advanced HVAC control functionality, the FC 102 series helps optimise airflow, water flow and pressure regulation while reducing mechanical stress on connected equipment.

With a rated output power of 11 kW / 15 HP and a three-phase 380-480 V AC supply, the Danfoss 131Z6251 is ideal for HVAC motor control applications requiring dependable variable speed operation. Its IP66 / NEMA 4X enclosure, coated PCB and mains disconnect make it suitable for demanding environments.

Key Advantages

• Dedicated HVAC variable frequency drive for pumps, fans and compressors.
• 11 kW / 15 HP motor power rating for building services applications.
• Three-phase 380-480 V AC input compatible with industrial power systems.
• IP66 / NEMA 4X enclosure for enhanced environmental protection.
• Integrated RFI Class A1/B (C1) filter for EMC compliance.
• Coated PCB for improved resilience in harsh environments.
• Mains disconnect included for convenient isolation and maintenance.

Key Features

• Danfoss VLT HVAC Drive FC 102 series.
• 11 kW / 15 HP rated output power.
• Three-phase 380-480 V AC supply voltage.
• IP66 / NEMA 4X enclosure protection.
• RFI Class A1/B (C1) integrated filter.
• No brake chopper configuration.
• Graphical Local Control Panel included.
• Coated PCB.
• Mains disconnect fitted.
• Frame size B1.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT HVAC Drive FC 102
• Part number: 131Z6251
• Model code: FC-102P11KT4E66H3XGC1XXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 11 kW
• Horsepower rating: 15 HP
• Rated current: 21 A
• Input voltage: 380-480 V AC
• Input phases: Three-phase
• Protection rating: IP66 / NEMA 4X
• RFI filter: Class A1/B (C1)
• Brake chopper: No brake chopper
• Control panel: Graphical Local Control Panel
• PCB coating: Coated PCB
• Mains option: Mains disconnect
• Frame size: B1
• Dimensions (H × W × D): approx. 494 × 243 × 261 mm
• Weight: approx. 21.31 kg
• EAN: 5710107359448

Efficient Motor Control for HVAC Systems

The Danfoss VLT HVAC Drive FC 102 is designed to regulate motor speed according to actual system demand. By adjusting output frequency and voltage, the drive allows HVAC equipment to operate only as fast as required, improving energy efficiency while reducing unnecessary wear on motors, belts, bearings and driven equipment.

This makes the 131Z6251 suitable for building automation and energy management systems where dependable control of airflow, water circulation and pressure is essential. Its robust IP66 enclosure, EMC filtering, coated PCB, mains disconnect and graphical control panel support reliable integration into modern HVAC control systems.

Typical Applications

• Air handling units and ventilation systems.
• Commercial HVAC installations.
• Heating and cooling circulation pumps.
• Condenser and chilled water pumps.
• Fan speed control systems.
• Building management systems.
• Industrial ventilation and plant room equipment.

Trusted by HVAC Engineers Worldwide

Danfoss VLT HVAC Drives are widely used by building services engineers, contractors and facilities teams to deliver reliable, energy-efficient motor control across modern HVAC installations.