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131F3351 Danfoss

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Internal Product Review

The 131F3351 is a Danfoss VLT FC 102 HVAC drive with a 15 kW rating and 200 to 240 VAC operation. Three-phase power input and IP55 / Type 12 protection suit demanding HVAC installations with strong electrical stability and enclosure security. A graphical local control panel adds clear commissioning access, making the unit an efficient and well-executed HVAC solution.

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Product Description:

The 131F3351 is an AC variable frequency drive from Danfoss in the VLT FC 102 HVAC Drives series. It modulates motor speed to match airflow or water-flow demand in commercial heating, ventilation, and air-conditioning systems, reducing energy use while maintaining process stability. The unit can be installed in a control panel or directly on machinery where electronic speed regulation replaces mechanical throttling. Its variable-speed operation is suitable for fans, pumps, and compressors that must respond to changing building loads throughout the day.

This model accepts a supply of 200–240 VAC with three-phase power, so it connects directly to low-voltage distribution networks common in light-industrial facilities. The inverter can deliver up to 20 HP of shaft power, supporting motors used for large fans, pumps, and compressors within its operating range. The IP55 / Type 12 enclosure blocks dust and water jets, allowing wall mounting in mechanical rooms without a separate protective cabinet. Conducted emissions are attenuated by the built-in RFI filter, which helps the installation meet electromagnetic compatibility requirements. Appropriate upstream protection and conductor sizes must be selected for the connected motor, supply network, and operating conditions.

User interaction is provided by the front-mounted graphical local control panel, which displays parameters, operating trends, and fault codes without requiring external tools. The housing has standard cable entries, so field wiring passes directly into the enclosure without additional entry plates or adapters. The configuration has no brake chopper, so applications requiring rapid motor deceleration must use an external braking unit or a regenerative system to manage excess energy. The drive uses uncoated printed circuit boards, which should be protected from corrosive gases, condensation, and conductive airborne contaminants. No A, B, C0, or D option modules are installed, so specialized input, output, communication, or control functions may require external equipment. This basic arrangement retains the primary HVAC control functions while leaving optional expansion hardware outside the installed configuration.

A Option
No A Option
Adaptation A
Standard Cable Entries
Adaptation B
No adaptation
B Option
No B Option
Brake - Safe Stop
No brake chopper
C0 Option MCO
No C0 option
C1 Option
No C1 option
Coating PCB
Not coated PCB
D Option
No D option
Horse Power
20 HP
LCP
Graphical Loc. Cont. Panel
Mains Voltage
200 - 240 VAC
Power Phase
Three Phase Power
Power Rating
15 KW
Product Group
VLT HVAC Drive
Protection Level
IP55 / Type 12
RFI Filter
RFI Filter
Series Identifier
102

Frequently Asked Questions about 131F3351:

Q: What is the horsepower rating of the 131F3351 drive?

A: This model is rated for 20 horsepower, providing substantial power for HVAC applications.

Q: What mains voltage range can the Danfoss 131F3351 operate on?

A: The 131F3351 supports input voltages from 200 to 240 VAC for flexible power connection.

Q: What type of power phase does the 131F3351 require for operation?

A: This drive operates on a three-phase power supply, suitable for industrial environments.

Q: What is the protection level of the 131F3351 VLT HVAC Drive?

A: The 131F3351 features IP55 / Type 12 protection, offering resistance to dust and low-pressure water jets.

Q: What type of local control panel does the 131F3351 include?

A: A graphical local control panel (LCP) is included for easy drive configuration and monitoring.

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