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Metric Three Phase Motors

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Metric three phase motors provide reliable and efficient mechanical power to drive pumps, compressors, conveyor systems, fans and manufacturing machines. They are used in the manufacturing, agriculture, mining and construction industries.

MARATHON MOTORS -

Cast Iron Motor, 4/3 HP, 3 Phase, 60/50 Hz, 230/460 and 200/400V, 1200 and 1000 RPM

Cast Iron Motor, 4/3 HP, 3 Phase, 60/50 Hz, 230/460 and 200/400V, 1200 and 1000 RPM
ModelItemPrice (inc. GST)
TCA0033AE211GAA009CH6RREA$ 2704.37
MARATHON MOTORS -

Cast Iron Motor, 4/3 HP, 3 Phase, 60/50 Hz, 230/460 and 200/400V, 3600 and 3000 RPM

Cast Iron Motor, 4/3 HP, 3 Phase, 60/50 Hz, 230/460 and 200/400V, 3600 and 3000 RPM
ModelItemPrice (inc. GST)
TCA0031AE211GAA009CH6RRBA$ 1410.59
LEESON -

IEC Aluminium Motor, 1 HP, 3 Phase, 60/50 Hz, 230/460 and 200/400V, 1800 and 1500 RPM

IEC Aluminium Motor, 1 HP, 3 Phase, 60/50 Hz, 230/460 and 200/400V, 1800 and 1500 RPM
ModelItemPrice (inc. GST)
080T17FH15514CH6HLBA$ 1066.21
LEESON -

Metric Motor, 180V, 3000 RPM

Metric Motor, 180V, 3000 RPM
ModelItemPrice (inc. GST)
M1130153.00AJ2WWWA$ 330.96
MARATHON MOTORS -

Cast Iron Motor, 10 HP, 3 Phase, 60 Hz, 575V, 1800 RPM

Cast Iron Motor, 10 HP, 3 Phase, 60 Hz, 575V, 1800 RPM
ModelItemPrice (inc. GST)
TCA7P52AP211GAA009CH6RUCA$ 2708.59
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Working Mechanism

  • AC metric three phase motors have three sets of windings or coils within them.
  • These windings are spaced evenly around the motor's core, each 120 degrees apart.
  • When three-phase AC voltage is applied to these windings, it creates rotating magnetic fields.
  • These magnetic fields interact with a rotor placed within the motor.
  • The rotor is not connected to an external power supply but instead relies on the magnetic fields for induction.
  • The interaction between the rotating magnetic fields and the rotor induces a current in the rotor, creating a rotating motion.
  • This motion is what drives the motor's output shaft.

Features

Leeson IEC Metric Motors:

  • They have IP55-rated enclosures for weatherproofing.
  • These motors have oil seals on both the drive and non-drive end to avoid leakage.
  • Their non-sparking, small-size fan reduces noise and enhances efficiency.

Marathon Motors Globetrotter IEC Frame Motors :

  • They feature aluminium frame construction for corrosion resistance and thermal conductivity.
  • These AC metric three phase motors offer continuous duty cycle operation with clockwise / counterclockwise shaft rotation.
  • They permit flange / base horizontal mounting and have MAX GUARD Class F insulation with NEMA premium efficiencies.

Weg Metric Motors :

  • Their aluminium frame and removable feet provide flexibility to change the configuration.
  • These motors have 90-degree rotating terminal boxes that allow cable connection from any side.
  • They have TEFC enclosures for protection against dust, dirt and moisture.

Frequently Asked Questions

What is the difference between a synchronous and an induction three-phase motor?

Synchronous motors rotate at a constant speed determined by the frequency of the power supply. Induction motors, on the other hand, have a slight slip and do not rotate at the exact synchronous speed.

What are the main components of an AC metric three-phase motor?

The main components include the stator (with three sets of windings), rotor, bearings, frame and often a cooling system (fan or fins).

What is the difference between single-phase and three-phase motors?

Single-phase motors operate on a single-phase AC power supply and are generally less powerful and efficient than three-phase motors. Three-phase motors are preferred for industrial applications due to their superior performance.

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