FC-102P37KT4E55H1X Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss FC-102P37KT4E55H1X is part of the VLT FC 102 HVAC Drives series. It supports three phase power with a mains voltage range of 380 to 480 VAC and a power rating of 37 kW, or 50 hp. The drive features IP55 and Type 12 protection levels and includes an RFI filter rated at Class A1/B (C1).
Internal Product Review
The FC-102P37KT4E55H1X is a Danfoss VLT HVAC drive engineered for 37 kW output and 380 - 480 VAC operation. Three-phase input and IP55 / Type 12 protection make this unit well suited for demanding HVAC installations with dependable control performance. RFI Class A1/B (C1) filtering adds clean electrical integration, making this drive a strong choice for commercial HVAC systems.
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Product Description:
The FC-102P37KT4E55H1X is an AC variable-frequency drive manufactured by Danfoss for the VLT FC 102 HVAC Drives series. It converts fixed-frequency mains power into a controlled output, allowing building automation systems to regulate fan or pump speed instead of operating motors continuously at a constant frequency. By adjusting motor speed to match real-time airflow or water flow demand, the unit helps reduce energy consumption in ventilation systems and chiller loops. Its application-oriented controls also support stable pressure, temperature, and flow regulation in commercial and industrial HVAC equipment.
This model delivers a continuous mechanical output of 50 hp, equivalent to an electrical rating of 37 kW. Incoming supply connections accept 380 – 480 VAC, a common industrial voltage range suitable for compatible electrical grids. Because the power section is designed for three-phase power, no phase conversion equipment is required when it is connected to a matching supply. Environmental protection is classified as IP55 / Type 12, providing protection against dust, limited water jets, and dripping noncorrosive liquids. This enclosure allows installation in suitable indoor mechanical rooms where airborne particles or occasional condensation may be present, while full washdown environments require additional protection.
An integrated EMC network meets RFI Class A1/B (C1) limits, reducing high-frequency emissions in installations near sensitive instrumentation. The power stage includes no brake chopper, so applications requiring regenerative deceleration need a compatible external braking solution. The product carries series code 102, with a parameter structure and menu arrangement intended for the VLT HVAC platform. Its default control macros, PID loops, and sensor inputs support air-handling units, cooling towers, and hydronic pumps. These functions allow the drive to respond to process feedback from pressure, temperature, or flow sensors while regulating connected motor speed. Proper supply selection, grounding, and external braking arrangements remain dependent on the requirements of the connected HVAC system.
