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131B1277 Danfoss VLT FC-102 HVAC Drive 11 KW / 15 HP, 380 - 480 VAC, IP55
MPN: 131B1277
Alt. SKU: FC-102P11KT4E55H1XGXXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131B1277 VLT HVAC Drive?
The Danfoss 131B1277 is a compact and highly reliable AC variable frequency drive (VFD) designed for precise speed control of three-phase motors in HVAC and industrial applications. As part of the advanced Danfoss VLT FC102 HVAC Drive series, it is engineered for building services, ventilation systems, pumps and energy-efficient motor control installations.
This drive provides intelligent motor control functionality while helping reduce energy consumption and improve overall system performance. The VLT HVAC Drive range includes application-specific features for fans, pumps and compressors, making it easy to integrate into building management systems and industrial automation platforms.
With a rated output power of 15 kW and a three-phase 380–480 V AC supply, the 131B1277 is ideal for HVAC motors used in air handling, pumping, ventilation and refrigeration systems. Its IP21 / Type 1 enclosure, RFI Class A2 (C3) filtering and compact panel-mounted format make it suitable for reliable commercial and industrial HVAC drive installations.
Key Advantages
- Compact variable frequency drive designed for HVAC applications.
- 15 kW motor power rating suitable for commercial building services.
- Three-phase 380–480 V AC input compatible with industrial power systems.
- IP21 / Type 1 enclosure for protected indoor installation.
- RFI Class A2 (C3) filtering for improved EMC performance.
- Efficient motor control improves energy performance and system reliability.
Key Features
- Danfoss VLT FC102 HVAC Drive series.
- 15 kW rated output power.
- 20 HP motor rating.
- 32 A nominal output current.
- Three-phase 380–480 V AC input supply.
- IP21 / Type 1 enclosure for HVAC and industrial installations.
- RFI Class A2 (C3) filter.
- No brake chopper, no mains option and not coated PCB.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT FC102 HVAC Drive
- Model: 131B1277
- Alternative SKU: FC-102P15KT4E21H2XGXXXXSXXXXAXBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 15 kW
- Horsepower rating: 20 HP
- Rated current: 32 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Output phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP21 / Type 1
- Frame size: B2
- RFI filter: Class A2 (C3)
- Brake chopper: No brake chopper
- Mains option: No mains option
- PCB protection: Not coated PCB
- Mounting type: Panel / cabinet mounting
Reliable Motor Control for HVAC and Industrial Systems
Variable frequency drives such as the Danfoss 131B1277 regulate motor speed by adjusting output voltage and frequency. This allows HVAC motors to operate more efficiently while improving system control, reducing mechanical stress and lowering energy usage in demanding commercial and industrial applications.
The VLT FC102 HVAC Drive series is designed for building services engineers, facilities managers and industrial automation specialists. Its HVAC-optimised control features, EMC filtering and compact protected enclosure make it suitable for integration into modern building management systems and industrial control panels.
Typical Applications
- Air handling units and ventilation systems.
- Commercial HVAC pumps and fans.
- Heating, ventilation and refrigeration systems.
- Building services plant rooms.
- Cooling towers and compressor systems.
- Energy management and building automation systems.
Frequently Asked Questions
What is the Danfoss 131B1277 used for?
This drive controls the speed of three-phase AC motors used in HVAC, ventilation, pumping and refrigeration applications.
What motor power is supported by this drive?
The drive supports motors with a rated output power of approximately 15 kW or 20 HP.
What supply voltage does the drive require?
The Danfoss 131B1277 operates from a three-phase 380–480 V AC supply.
What protection rating does this drive have?
The drive has an IP21 / Type 1 enclosure, making it suitable for protected indoor commercial and industrial installations.
What filtering and protection features are included?
The drive includes RFI Class A2 (C3) filtering, no brake chopper, no mains option and not coated PCB construction.
Trusted by HVAC Engineers Worldwide
Danfoss VLT HVAC drives are trusted by building services engineers, facilities managers and industrial automation specialists to deliver reliable motor control, improved energy efficiency and dependable operation in demanding environments.
| Manufacturer Part Number | 131B1277 |
|---|---|
| Barcode | 5702427209374 |
| Height | 494mm |
| Width | 243mm |
| Depth | 261mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 11kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P11KT4E55H1XGXXXXSXXXXAXBXCXXXXDX |
The VLT HVAC drive has built-in intelligence to give optimal process control to heating, ventilation and air conditioning (HVAC). It is simple to use and extremely cost-efficient, featuring a number of functions that are ideal for use with pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.
The VLT HVAC drive has a compact, robust design and is ideally suited to locations where space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.
Enclosures can be purchased separately, up to IP66, and an additional option available upon purchase is a unique coating to provide added protection for the circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic.
Supply voltages and power range
3 x 200-240 V...1.1-45 kW
3 x 380-480 V...1.1 kW – 1 MW
3 x 525-600 V...1.1-90 kW
3 x 525-690 V...45 kW – 1.4 MW
Low harmonic drive
3 x 380-480 V...132-710 kW
12-pulse drive
3 x 380-480 V...250-200kW
Features and benefits
- There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
- PLC capacity is often unnecessary thanks to the Smart Logic Controller
- A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
- The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
- 5–15% energy is saved as a result of the Automatic Energy Optimization function
- Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity
Applications
Pumps, fans, compressors.
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For further information on this product please get in touch with our team or visit the Danfoss website.