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131B3612 Danfoss

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The Danfoss 131B3612 is part of the VLT FC 102 HVAC Drives series and is equipped with a graphical local control panel. It operates on three phase power at 380 to 480 VAC and is designed for normal cabinet mounting. This drive features IP20 chassis protection and includes an RFI filter for improved electromagnetic compatibility.

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Product Description:

The 131B3612 is an HVAC-focused variable frequency drive manufactured by Danfoss as part of the VLT FC 102 HVAC Drives series. In building and light industrial automation, it regulates the speed of centrifugal fans, pumps, and compressors so airflow or liquid pressure can match real-time demand while reducing energy use. Its form factor and thermal profile are intended for enclosed cabinet installation, making it suitable for mechanical-room panels that combine motor control and protective devices.

The drive accepts 380–480 VAC from a three-phase power supply, allowing direct connection to standard facility distribution without an external autotransformer. For enclosure integration, the chassis has an IP20 chassis rating that provides basic finger protection when mounted inside a switchboard. An internal RFI filter helps reduce conducted emissions so the installation can meet typical EMC limits in commercial environments. Local setup and diagnostics are handled through the front-mounted graphical local control panel (LCP), which displays menus in the FC 102 language set and supports parameter copying between drives. The mechanical layout follows the normal cabinet-mounting arrangement for A, B, and C frames, and the product is categorized as a VLT HVAC drive with application macros, proportional-integral control loops, and typical fan safety functions.

Cable management uses standard cable entries, which simplifies gland selection because no A-option accessories are installed and Adaptation B is not used. Field wiring flexibility is expanded by the plug-in MCB-101 general-purpose I/O board, which provides additional digital terminals without occupying a system option slot. The boards use an uncoated PCB platform that is suited to dry, filtered cabinet air where conformal coating is unnecessary. Dynamic braking hardware is omitted, so no brake chopper is present, and the C, C0, C1, and D option positions are left empty. The drive is supplied with standard software in the latest release, while the Standard Language Pack is already loaded and the mains option bay remains vacant.

A Option
No A Option
Adaptation A
Standard Cable Entries
Adaptation B
No adaptation
B Option
MCB-101 General purp. I/O
Brake - Safe Stop
No brake chopper
C Option Software
No software option
C0 Option MCO
No C0 option
C1 Option
No C1 option
Coating PCB
Not coated PCB
D Option
No D option
LCP
Graphical Loc. Cont. Panel
Mains Option
No Mains Option
Mains Voltage
380 - 480 VAC
Mounting
Normal cabinet mounting A, B, C Frames
Power Phase
Three Phase Power
Product Group
VLT HVAC Drive
Protection Level
IP20 / Chassis
RFI Filter
RFI Filter
Series Identifier
102
Software Language Pack
Standard Language Pack
Software Release
Latest release std. SW.

Frequently Asked Questions about 131B3612:

Q: What is the mains voltage range supported by the 131B3612 drive?

A: The 131B3612 operates on a mains voltage range of 380 to 480 VAC.

Q: What protection level does the Danfoss 131B3612 HVAC drive provide?

A: This model features IP20 protection and is in a chassis configuration.

Q: What type of local control panel does the 131B3612 have?

A: The included LCP is a graphical local control panel for ease of operation and configuration.

Q: Does the Danfoss 131B3612 come with an integrated RFI filter?

A: Yes, the 131B3612 includes an RFI filter for electromagnetic interference suppression.

Q: What mounting options are available for the 131B3612 VLT FC 102?

A: This drive is designed for normal cabinet mounting and is compatible with A, B, and C frame sizes.


Internal Product Review

  • ‘‘The 131B3612 VLT FC 102 HVAC Drive from Danfoss delivers efficient control for HVAC applications, operating on three-phase 380–480 VAC power. It features an integrated RFI filter and IP20 protection, supporting clean and reliable cabinet installations. The graphical local control panel enhances user interaction, making this drive a dependable solution for building automation.’’

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