131B0037 Danfoss
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The 131B0037 automation drive from Danfoss is part of the VLT FC 302 Automation Drives series and offers a rated power of 1.5 kW. It operates with a supply voltage range of 380 to 500 VAC using three-phase input and has an efficiency of 97 percent at rated current. With a net weight of 4.44 kg, this drive has an IP20 enclosure and measures 268 mm in height, 205 mm in depth, and 90 mm in width.
Internal Product Review
The 131B0037 is a Danfoss VLT FC 302 automation drive engineered for efficient motor control, with 1.5 kW rated power and three-phase input. Performance is notably efficient at 97% rated-current efficiency, and the IP20 enclosure rating suits protected panel installations. Stable 4.1 A output across 380-500 VAC makes the drive a strong choice for dependable automation service.
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Product Description:
The 131B0037 is an AC variable frequency drive produced by Danfoss for the VLT FC 302 Automation Drives series. It converts fixed-frequency three-phase mains power into a regulated output that allows controllers to match motor speed to process demand in conveyors, pumps, and other automated machinery. The unit occupies a compact footprint and is intended for cabinet installation where DIN rail or backplate space is limited.
This drive carries an enclosure rating of IP20, so it is suited for clean, ventilated control cabinets. Under rated load, it reaches an efficiency of 97%, reducing the amount of heat that must be removed from the panel. The input section accepts a supply voltage between 380–500 VAC and draws 3.7 A under nominal line conditions, while the inverter can deliver a rated output current of 4.1 A to the motor terminals. Continuous mechanical power is rated at 1.5 kW, making the model suitable for small induction motors used on auxiliary axes or recirculation pumps in HVAC skids. Conducted emissions are attenuated by the built-in RFI filter, which meets Class A1/B (C1) limits. The control logic operates with either 50 Hz or 60 Hz mains power without requiring additional settings.
The apparent power requirement is 2.84 kVA, a value used when sizing upstream protection devices and isolation transformers. Internal power losses are limited to 62 W, which simplifies panel thermal management and allows forced-air cooling to serve adjacent devices. The electronics are housed in frame size A2, resulting in external dimensions of 268 mm × 90 mm × 205 mm (H × W × D). The unit has a mass of 4.44 kg, which should be considered when selecting mounting hardware and a suitable support surface. Three-phase input wiring connects to screw terminals. Motor leads exit through a separate gland plate to maintain electromagnetic compatibility separation between the input and output wiring paths.
