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18-December-2018 Asynchronous electric motors and how to choose the right electric motor at a good price in Ukraine.

Demand for electric motors AИР in Ukraine remains stably high, what makes them so popular? The answer is obvious: simplicity of design and repair, as well as low cost. Inexpensive and efficient – this is how you can characterize asynchronous motors AИР. This type of engine is used very widely in agriculture: for pumps and […]

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18-August-2019 General industrial induction motors buy from the factory

The manufacturer LLC”DNEPRORESURS”offers you to buy ELMO electric motors of the AИР series for general industrial purposes in the basic configuration with a 2-year warranty. Technical characteristics of general industrial asynchronous motors ELMO are presented in the catalog. ELMO motors operate from a mains supply with a frequency of 50 Hz, voltages of 220, 380, […]

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18-December-2019 Where to buy the general industrial asynchronous engines

Demand for electric motors АИР in Ukraine remains stably high, what makes them so popular? The answer is obvious: simplicity of design and repair, as well as low cost. Inexpensive and efficient – this is how you can characterize asynchronous motors AИР. This type of engine is used very widely in agriculture: for pumps and […]

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Electric motors 55 kW

Description

Asynchronous general industrial motors AIR are a number of models that are connected by the regularity of dimensions and technical parameters. They are unified and meet the RS3031-71 standard with their dimensions. LLC “Dneproresurs”, engaged in the production of this line, has been producing industrial electrical equipment since 1998. Asynchronous electric motors have a number of positive qualities, such as reliability during overloads, high efficiency, low reactive currents, and ease of starting.

Technical characteristics of AIR series motors with a power of 55 kW

Specifications
Type Power kW Frequency
rotation rpm
efficiency% cos φ Current
at 380V A
Istart / In Mstart / Mn Mmax / Mn Moment of inertia kg * m2 Weight kg
AIR200M4 37 1475 92 0.87 70.2 7.2 2.2 2,3 0.15 230
AIR225M6 37 980 92 0.86 71 7 2.1 2.1 0.825 360
AIR250S8 37 740 91.5 0.79 78 6.6 1.9 2 1.35 465

Medium Power Motors Features

The 55 kW electric motor is a representative of the AIR line of medium power. It uses AC mains as its power source. Its required parameters: frequency 50 Hz, rated power 220/380 or 380 / 660V, depending on whether “delta” or “star” is used as the connection diagram. The frequency of rotation of its rotor depends on the number of pole pairs on the winding of its stator:

  • 1 pair of poles – 3000 rpm;
  • 2 pairs – 1500 rpm;
  • 3 pairs – 1000 rpm;
  • 4 pairs – 750 rpm.

Along with this, the dimensions of the 55 kW electric motor also change. The length of the shaft, depending on these parameters, is 110, 140, 140, 170 mm, and the height of its axis is 225, 225, 250, 280 mm, respectively. More detailed information about the dimensions of 55 kW electric motors, as well as their weight and other technical parameters can be found in the section “Tech. characteristics of AIR “.

Rules for the use of 55 kW electric motors

AIR series motors must be located in rooms where the temperature is maintained between -40 .. + 40 ° C. Dust content should not exceed 10 mg / cubic meter. m. The air must be free of conductive particles, corrosive or explosive gases / vapors. The degree of protection IP54 protects the product from moisture droplets.

All 55 kW electric motors have a 2 year warranty.

Asynchronous electric motors AIR – a line of electric power of electric motors in kilowatts

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