FC-103P37KT4P55H1XGXXXXSXXXXAX Danfoss
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The Danfoss FC-103P37KT4P55H1XGXXXXSXXXXAX is part of the VLT FC 103 Refrigeration Drives series. This drive features a power rating of 37 kW or 50 HP and operates on a three phase 380 to 480 VAC mains voltage. It comes equipped with a graphical local control panel, RFI filter Class A1/B, and has an IP55/Type 12 backplate protection level.
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Product Description:
The FC-103P37KT4P55H1XGXXXXSXXXXAX is an AC variable-frequency drive manufactured by Danfoss for the VLT FC 103 Refrigeration Drives series. It controls compressor, condenser-fan, and pump motors in automated cooling systems that require stable pressure and temperature regulation. By converting fixed mains power into variable frequency and voltage, the drive allows a process controller to adjust motor speed according to real-time refrigeration demand. This speed control can reduce unnecessary motor operation during periods of lower cooling demand while maintaining the required operating conditions.
The drive accepts 380–480 VAC from a three-phase supply. Its output provides 37 kW of continuous power, equivalent to 50 HP. A rear-mounted heat sink transfers heat away from the power electronics during operation. The IP55 / Type 12 backplate helps protect internal components against dust, water jets, and common machine-room contaminants. A factory-installed Class A1/B RFI filter reduces conducted electrical emissions and can limit the need for a separate line filter. Standard cable entries provide an established route for power and control wiring, while the unit does not include Adaptation B or a mains option.
Operator access is provided through a graphical local control panel, which supports clear parameter viewing and navigation from the front of the drive. The panel includes the standard language pack for use in multilingual facilities. The power section has no brake chopper, so systems requiring rapid motor deceleration must use suitable external braking equipment. The printed circuit boards are uncoated, while the enclosure provides the primary barrier against moisture and airborne contaminants. The drive does not include an A option, leaving the related expansion position available for compatible accessories. Its refrigeration-focused control functions support motor-speed adjustment for compressors, pumps, and condenser fans without requiring separate speed-control equipment for each connected application.
