131B0033 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
The Danfoss 131B0033 is part of the VLT FC 302 Automation Drives series and has a power rating of 0.37 kW. It features an IP20 chassis enclosure, a frame size of A2, and an efficiency of 0.94. The drive has a net weight of 4.39 kg, measures 268 mm in height, 90 mm in width, and 205 mm in depth.
Internal Product Review
The 131B0033 is a Danfoss VLT FC 302 automation drive designed for 3-phase systems and rated at 0.37 kW. IP20/chassis construction and 0.94 efficiency make this unit a strong fit for controlled cabinet installations where energy-conscious operation matters.
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Product Description:
The 131B0033 belongs to the VLT FC 302 Automation Drives series manufactured by Danfoss. It is an AC variable-frequency drive used to regulate induction motor speed in conveyors, pumps, and other automated equipment. By converting fixed mains power into a modulated output, the unit allows precise process control while integrating with plant PLC networks. Its compact format is intended for installation in control cabinets that serve small automated machines. The adjustable output frequency also allows connected equipment to operate at the speed required by the process rather than continuously running at full speed.
The drive is rated for 0.37 kW of mechanical power at the motor shaft, a capacity suited to fractional-horsepower machinery found in compact HVAC and material-handling stations. Operating efficiency reaches 0.94, so only 6% of the supplied energy is lost as heat during nominal load conditions. An IP20 chassis enclosure exposes the power terminals for cabinet mounting while shielding internal boards from accidental contact. The input section is designed for three-phase mains, and its semiconductor bridge draws a maximum of 1.2 A when supplied with 380–440 V. This low current allows the use of small-gauge wiring and reduces the transformer burden in distributed panels. The enclosure must remain inside a suitable cabinet because its open chassis design does not provide protection against water or fine airborne contaminants.
On the output side, the inverter supplies up to 1.3 A of motor current, matching small IEC frame motors without derating. The internal DC link supports a continuous apparent power of 0.9 kVA, giving the control board enough margin for transient torque demands before current limiting occurs. With a net mass of 4.39 kg, the A2-frame chassis can be mounted directly on a DIN rail or backplate without additional bracing. The housing measures 268 mm in height and 205 mm in depth, while its 90 mm width keeps the footprint narrow enough for several drives to fit across a standard 600 mm cabinet. The heat sink rejects 35 W, which must be dissipated by the cabinet ventilation system. Input protection uses a 10 A pre-fuse. The drive does not include an integrated brake chopper, and its RFI filter meets Class A1/B (C1) emission limits for industrial environments.
