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VFDs 37 kW

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37 kW VFD: what motor we ship it for

37 kW units we ship for 37 kW 380 V motors with nominal current around 72-75 A. Typical customer this year: big screw compressors 6-7 m³/min at cement and woodworking plants. Multi-story building water supply pumps. Supply/exhaust units for big shops and hangars. Flour mill aggregates. Crushing-sorting complexes. On 30 kW these jobs no longer hold: a compressor with 200+ A inrush exceeds the limit, the 30 kW drive trips on OC.

From the grid: 3-phase 380 V, the 660 V option exists (INVT GD350-037G-6) for industrial sites with special supply. Rated draw 75 A, breaker 100 A C-curve, cable 25 mm² copper up to 30 m (recalc beyond for voltage drop). Veichi AC70-T3-037G/045P per datasheet holds 150% for 60 s (G mode, for crushers) and 110% continuously (P mode, for pumps). One drive, two jobs, switched from the keypad.

Which model we ship in 8 out of 10 cases

From daily stock: Veichi AC70-T3-037G/045P (mid-tier, our main product in this band, in Kyiv monthly). INVT GD200A-037G/045P (European feature equivalent, good sensorless vector). Schneider ATV630 and ATV930 when the customer asks for Europe, accepts 7-14 days. Delta VFD370C43S, Mitsubishi FR-F840-00770-E2-60: ship to order from Taiwan and Japan warehouses. ABB ACS580-01-072A-4 we ship when the site is already on ABB and a single brand is required. Veichi SI23-T3-037G-A (solarized, MPPT 200-820 V) we ship for 37 kW solar pump stations.

Before paying we ask. First: load type G or P? Crusher, compressor, shock-load conveyor (G); pump or fan (P). This decides 37 kW in G or 30 kW in P. Second: braking resistor. For a 37 kW centrifuge the BR draws 9-12 kW; without it OU within 0.8 s. Third: cable length to motor. Over 30 m a du/dt filter is needed; over 100 m a sine filter. Fourth: ambient IP. Base drive is IP20; for dusty production we ship in a separate IP54 cabinet. 2-year warranty, 1-3 day delivery from our Kyiv warehouse via Nova Poshta.

Manufacturers in our stock

  • Veichi (AC70, AC310, SI23): mid-tier and solarized
  • INVT (GD20, GD27, GD200A, GD350): universal mid-tier
  • Schneider Electric (ATV630, ATV930): Europe
  • ABB (ACS580, ACS880, ACQ80): premium, ship to order
  • Delta Electronics (VFD-C2000, VFD-CP2000): Taiwan
  • Mitsubishi Electric (FR-F, FR-A): Japan

Frequently Asked Questions

Which motor is a 37 kW VFD selected for?

A 37 kW VFD is selected for a three-phase electric motor with a rated power of 37 kW when the motor current does not exceed the drive rated current. Before ordering, check the motor nameplate: power, voltage, current, and wiring diagram.

What input voltage is required for a 37 kW VFD?

The input voltage depends on the site supply and the motor. For a single-phase 220 V supply, choose a 220 V input model if it is available for this power. Industrial motors usually require a 3-phase 380 V VFD.

Do I need extra power reserve for a 37 kW VFD?

For pumps and fans, selecting by the motor rated power and current is often enough. For heavy starts, conveyors, compressors, mixers, or frequent acceleration cycles, allow extra current reserve or move to the next power size.

Where are 37 kW VFDs used?

37 kW VFDs are used to control the speed of pumps, fans, conveyors, machines, and other equipment with asynchronous motors. The exact application depends on load torque, duty cycle, and installation conditions.

How can I quickly choose the right model?

Send a motor nameplate photo or provide the power, voltage, rated current, number of phases, and load type. A Chastotnik.ua manager will select a compatible VFD, check availability, and advise on basic startup parameters.