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131N0235 Danfoss

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The Danfoss 131N0235 is part of the VLT FC 101 HVAC Basic Drives series and offers a power rating of 15 kW with a 20 HP output. This drive supports three phase operation at 525 to 600 VAC and has an IP20 chassis protection level. It features standard cable entries, a non-coated PCB, and does not include a brake chopper or RFI filter.

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Product Description:

The 131N0235 variable frequency drive from Danfoss belongs to the VLT FC 101 HVAC Basic Drives series. It supports building automation by varying the speed of motors used in pumps and fans according to heating, cooling, and ventilation demands. The drive receives setpoints from upstream controllers and adjusts motor operation to match changing system requirements. This control approach can reduce unnecessary energy consumption and limit acoustic output in air-handling units, cooling towers, and booster pumps. The model is suitable for commercial buildings and light industrial facilities that use variable-speed equipment to regulate airflow or water circulation.

The drive accepts a mains input of 525–600 VAC and operates with three-phase power. It can connect directly to common 575 V distribution networks without requiring a transformer. Its continuous motor output is rated at 15 kW, providing sufficient power for medium-capacity pumps, fans, and blowers. The IP20 chassis enclosure protects against accidental contact with internal components but requires installation inside a suitable protective cabinet. Standard cable entries associated with Adaptation A simplify the routing of power and control wiring. The drive does not include an integrated mains option, so appropriate external fusing and disconnect equipment must be provided as part of the installation.

The drive has no integrated RFI filter, so an external line-side filter may be required where conducted-emissions limits apply. Its uncoated circuit boards are intended for clean, dry locations without corrosive vapors, excessive condensation, or persistent high humidity. The front cover has no local control panel, which means parameter entry and drive monitoring must be handled through compatible remote tools or a supported communication connection. The unit also has no brake chopper, so applications with overhauling loads require another method of managing regenerated energy. Mechanical braking or a compatible external regenerative-energy management module may be needed when the motor returns substantial energy during deceleration. Cabinet ventilation, external protection devices, and electromagnetic interference controls should be selected according to the operating environment and connected motor load.

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
No Loc. Cont. Panel
Mains Option
No Mains Option
Mains Voltage
525 - 600 VAC
Phase Rating
Three phase
Power Rating
15 KW
Product Group
VLT HVAC Drive
Protection Level
IP20 / Chassis
RFI Filter
No RFI Filter
Series
101

Frequently Asked Questions about 131N0235:

Q: What is the power rating of the Danfoss 131N0235 VLT FC 101 drive?

A: The VLT FC 101 drive has a power rating of 15 kW, allowing it to handle moderate to high-power HVAC applications.

Q: What mains voltage can the 131N0235 VLT FC 101 HVAC drive operate with?

A: This drive supports a mains voltage range of 525 to 600 VAC for versatile three-phase operation.

Q: Is a brake chopper included with the Danfoss 131N0235?

A: The 131N0235 model does not include a brake chopper for safe stop functionality.

Q: What is the protection level of the Danfoss 131N0235 drive?

A: It offers an IP20 protection level and is supplied in a standard chassis format, suitable for installation in electrical panels.

Q: Does the 131N0235 VLT FC 101 drive have a coated PCB?

A: This model does not feature a coated PCB, so it may not be suitable for highly corrosive environments without additional protection.


Internal Product Review

  • ‘‘The 131N0235 is a Danfoss VLT FC 101 HVAC Basic Drive built for efficient variable-frequency motor control in HVAC systems. Three-phase input and a 525 to 600 VAC mains range support stable integration in higher-voltage commercial installations. A 20 HP output with IP20/chassis protection makes this drive a strong choice for dependable panel-based HVAC service.’’

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