131X2787 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: FC-102P4K0T4Y55H3XGXXOXSXXXXAXBXCXXXXDX
The Danfoss 131X2787 is part of the VLT FC 102 HVAC Drives series and supports three phase power with a mains voltage range of 380 to 480 VAC. This drive features a graphical local control panel and is equipped with an RFI filter classified as A1/B (C1).
Internal Product Review
The 131X2787 is a Danfoss VLT HVAC drive well suited for controlled motor operation in building systems, with three-phase power and 380 - 480 VAC mains voltage. A graphical local control panel paired with an RFI Class A1/B (C1) filter gives the drive strong usability and clean electrical integration, making the package a solid choice for HVAC applications.
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Product Description:
The 131X2787 AC frequency converter is built by Danfoss for the VLT FC 102 HVAC Drives series. This product functions as a variable-frequency drive that regulates induction motor speed in ventilation, pumping, and compressor systems used throughout commercial building automation. Integrating the converter into air-handling units or chilled-water loops allows controllers to match motor torque to real-time demand. This control can reduce operating noise, maintain stable process pressures, and eliminate the need for mechanical throttling under many operating conditions.
It accepts a 380–480 V AC supply and delivers a proportionally modulated output, allowing direct connection to standard distribution networks without step-up transformers. The input section uses three-phase power, which provides balanced loading across the supply lines. Conducted emissions are suppressed by the integrated RFI Class A1/B (C1) filter, supporting installation in residential and light-industrial areas when applicable installation requirements are followed. Local setup is handled through the detachable Graphical Local Control Panel, which provides access to operating parameters, status information, and trend readouts. The drive has no brake chopper, so regenerated energy requires another method of management when the application involves rapid deceleration or an overhauling load.
The electronics use an uncoated printed circuit board, so the converter should operate in clean, noncorrosive air or inside a suitable sealed cabinet. Its menus include the Standard Language Pack, providing access to multiple display languages without requiring additional language files. All auxiliary option slots are blank, including the A, B, C0, C1, and D positions. The mains adapter card position is also empty, leaving the corresponding interfaces available if compatible option modules are needed later. Proper cabinet ventilation and suitable clearance around the converter help remove heat generated during continuous motor control. Installation should also protect the internal electronics from conductive dust, moisture, chemical vapors, and other airborne contaminants that could affect an uncoated circuit board.
