Automation NotebookIssue 10 – 2008Learning ResourcesNotebook Issue

General Purpose Motors From 1/3 to 300 HP

AutomationDirect’s new IronHorse™ general purpose AC motor line includes rolled steel and cast iron styles in the most popular sizes. IronHorse motors are available in single and three-phase models and in one-third to 300 hp sizes; all motors have a base speed of 1800 RPM and are electrically reversible.

General Puprose MotorsThe MTR series 56C frame motors, in one-third to 2HP sizes, are housed in rolled steel, totally enclosed fan cooled (TEFC) enclosures and are equipped with removable bolt-on/bolt-off bases. MTR series motors feature large, easy-to-wire junction boxes, high tensile strength steel shafts, and cast aluminum end bells. The single-phase, 115/208-230 volt motors include large all-metal capacitor covers with rubber gaskets and oversized capacitors. IronHorse MTR series motors work well in applications using conveyors, fans, gear reducers, and pumps, and are CE and CSA certified.

The three-phase industrial duty MTC series motors are T-frame TEFC motors available in one to 300 HP sizes and feature ribbed cast iron frames to ensure maximum cooling. They are also equipped with solid full frame-length cast iron mounting feet, cast iron junction box with rubber gasket and rubber dust cover. Motor sizes 10 hp and lower are equipped with maintenance-free bearings. These high-efficiency motors are CSA, CE, ISO9001, and EPACT certified. IronHorse T- frame motors are ideal for applications such as pumps, material handling, metal and textile processing, and test stands.

IronHorse AC motor accessories include Stable™ motor slide bases for accurate and easy motor positioning. Available in sizes from NEMA 56- NEMA 449T. Replacement capacitors and centrifugal switches are available for MTR single-phase motors. C-flange kits can be used for C-face mounting of the cast iron MTC series motors.

See the full line of IronHorse motors at: www.automationdirect.com/ironhorse-motors

Originally Published: June 1, 2007