Industrial AC Electric Motors
- IronHorse™ General Purpose AC Motors - Rolled Steel
- New! ...
IronHorse™ General Purpose AC Motors - Stainless Steel (Washdown Motors)
- Premium Efficiency Cast Iron 3-Phase AC Motors (T-Frame & TC-Frame)
- Marathon Inverter-Duty / Vector-Duty AC Motors (including premium efficiency models)
- How to Choose: General Purpose AC Electric Motor or Inverter-Duty Motor?
Electric Motor Premium Efficiency Requirements (EISA 2007)
In 2010, the Energy Independence and Security Act of 2007 mandated that all applicable AC industrial motors manufactured or imported into the U.S. after
December 2010 must meet the Premium Efficiency standards.
Because this initiative was driven by the NEMA organization, the Premium Efficiency standard is commonly referred to as "NEMA Premium".
IronHorse MTCP Series Premium Efficiency motors meet or exceed the NEMA Premium Efficiency guidelines in the EISA 2007 standard.
Our Marathon Electric motors line also includes several model series that meet or exceed the Premium Efficiency guidelines in the EISA 2007 standard.
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IronHorse AC Motors - Rolled Steel
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IronHorse™ General Purpose Rolled Steel AC Motors (1/3 - 2 hp)
IronHorse™ electric motors are manufactured by a leading motor supplier with over 20 years experience delivering high-quality industrial electric motors to the demanding U.S. market.
The IronHorse™ AC rolled steel electric motors lineup includes:
- TEFC 56C-frame single phase AC motors with rolled steel frames, 1/3 to 1.5 hp
- TEFC 56C-frame 3-phase AC motors with rolled steel frames, 1/3 to 2 hp
- In stock and ready to ship
- FREE shipping on AC electric motor orders over $49*
- Replacement motor capacitors for IronHorse single phase motors are available
- STABLETM adjustable motor slide bases for NEMA motors from 56 - 449T
- 2-year warranty on industrial strength IronHorse induction motors!
IronHorse rolled steel AC motor prices start at $79.00
IronHorse General Purpose Rolled Steel AC Motors Overview 
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IronHorse AC Motors - Stainless Steel
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IronHorse™ General Purpose Stainless Steel AC Motors (1/3 - 2 hp)
IronHorse™ stainless steel AC motors are designed for IP56 washdown applications!
Case, JBox and fan shroud are made of 304 stainless and the motor shaft is 303 stainless. Also installed for moisture protection are double lip seals, O-rings on end-bells, stainless steel drain plugs and a seal-tight cable gland.
The IronHorse™ stainless steel motors lineup includes:
- TEFC 56C-frame 3-phase motors with stainless steel frame and rigid base, 1/3 to 2 hp
- TEFC 56C-frame 3-phase motors with stainless steel frame and round body, 1/3 to 2 hp
- FREE shipping on AC electric motor orders over $49*
- 1-year warranty on stainless steel IronHorse AC motors
IronHorse stainless steel AC motor prices start at $275.00
IronHorse General Purpose Stainless Steel AC Motors Overview
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IronHorse AC Motors - Cast Iron |
IronHorse™ General Purpose Cast Iron AC Motors (1 - 300 hp)
Our supplier produces IronHorse™ cast iron industrial electric motors in an ISO9001 facility which tests these AC motors during production and after
final assembly.
The IronHorse™ cast iron AC electric motors lineup includes:
- Premium Efficiency Cast-Iron 3-Phase AC Motors (T-Frame & TC-Frame)
- IronHorse cast iron AC motors are available from 1 hp motors to 300 hp motors
- C-flange kits for flange mounting of IronHorse™ 3-phase cast iron T-frame motors
- STABLETM adjustable motor slide bases for any NEMA motor frame size from 56 - 449T
- In stock and ready to ship
- FREE shipping on AC electric motor orders over $49*
- 2-year warranty on industrial strength IronHorse induction motors!
IronHorse premium efficiency cast iron AC motor prices start at $155.00
IronHorse General Purpose Cast Iron AC Motors Overview
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Marathon Electric AC Motors
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Inverter-Duty / Vector-Duty Marathon AC Motors (1/4 - 100 hp)
AutomationDirect offers a wide variety of AC inverter-duty / vector-duty motors from Marathon Electric
Manufacturing Corporation® at great prices. These industrial AC motors are available in a variety of horsepower ranges from 1/4 Hp to 100 Hp.
These high-quality industrial motors, unless otherwise stated, are rated for continuous
operation in a 40°C ambient and for altitudes up to 3,300 feet (1,000 meters) above sea level.
All Marathon Electric motors come with a 3-year warranty supported by authorized Marathon Electric service centers.
NOTE: Our typical 30 day money-back return policy does NOT apply to these motors.
- Marathon AC Motors are available from 1/4 hp to 100 hp
- FREE shipping on electric motor orders over $49*
- 3-year Warranty
Marathon AC motor prices start at: $143.00
Our Marathon Electric motor products include:
- MicroMAX® Series AC Inverter-Duty Motors (1/4 hp to 10 hp)
- Black Max® Vector Duty Motors (1/4 hp to 30 hp)
- Black Max® Vector Duty Motors with Encoder (1/4 hp to 30 hp)
- Blue Max® 2000, Vector Duty Motors (40 hp to 100 hp)
- Blue Max® 2000, Vector Duty Motors with Encoder (40 hp to 100 hp)
- NEMA Premium Efficiency Blue Chip XRI® - Ultra High Efficiency Inverter-Duty Motors (15 hp to 100 hp)
- NEMA Premium Efficiency XRI Inverter-Duty Motors (1 hp to 10 hp)
Marathon Electric AC Motors Overview
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* shipped standard ground or LTL (see Shipping Options for complete details and restrictions)
Do you need a general purpose AC motor or inverter-duty electric motor?
How to choose a general purpose AC motor vs. an inverter-duty motor
General purpose electric motors have been around for many years. They are the workhorse of almost every industry. An
inverter-duty motor is a much newer concept that was necessary as general purpose motors began to be driven by variable frequency drives (VFDs
or inverters). An inverter-duty motor can withstand the higher voltage spikes produced by all VFDs (amplified at longer
cable lengths) and can run at very slow speeds without overheating. However, this performance comes at a cost: inverter-duty
motors can be more expensive than general purpose AC motors.
Guidelines for choosing an Ironhorse general purpose motor vs. an inverter-duty motor are available below. If
your application falls within the guidelines, there is no need to apply an inverter-duty motor.
Marathon inverter-duty motors have limitations as well. Please see the Marathon Motors section for more details.
Guidelines for choosing AC Motors
In summary, general purpose AC induction motors can be run with drives in many
applications; however inverter-duty AC motors are designed to handle much lower speeds without overheating and they are capable of
withstanding higher voltage spikes without their insulation failing. However, with the increased performance comes an increase in cost. The
additional cost of an inverter-duty motor can be worth it if you need improved motor performance.
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Shipping restrictions on all large motors:
- Due to weight restrictions, large motors cannot be shipped to the Virgin Islands.
- "NEXT DAY" truck delivery options on motors are only available for a very limited number of in-stock items and
are subject to regional limitations. Orders must be placed no later than 12:00pm (noon) Eastern time and...
AN EXPEDITE FEE WILL BE CHARGED.
- Saturday delivery is NOT available for motors that must ship via truck (ground service).
- In-stock motors will typically ship the same day via the AutomationDirect preferred shipping provider.
Also:
- IronHorse motors are normally in-stock and ready to ship.
- Most of the MicroMAX series motors are currently available as in-stock items and will ship the same day from AutomationDirect,
but the larger non-stock motors that must ship via truck (Black Max, Blue Max and Blue Chip-XRI Series motors) will be drop-shipped
from Marathon Electric (usually the same business day or within 24 hours).
- Motors with Encoders (Yxxx-A77x part numbers) are custom assembled and will drop-ship from Marathon Electric within 48-72 hours.
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For more product details - select the "Products" tab and click on the desired "Item Code", or select the "Technical Info" tab.
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