Marathon® Electric Motors – Black Max® Motors

(SB526 Variable Speed Motors)

Carotron, Inc. offers AC and DC motors to fit a variety of industrial needs.  Marathon® Black Max® Motors offer a number of advantages when you need a reliable AC motor.  One feature that sets these motors apart from others is the MAX GUARD® Insulation System, which is the only insulation system that provides unlimited lead length between the motor and drive.  MAX GUARD® insulation surpasses the requirements of NEMA MG1 Part 30 and 31.  It is also an exclusive patented feature.  

Each Black Max® motor offers maximum performance and smooth integration with any AC drive, which is why they are preferred by leading drive manufacturers.  Flexibility in design is another coveted feature of Black Max® motors.  Easily add brakes and encoders without hassle.  Marathon® Electric motors have a  patented feature called the “fracket” which provides an option for mounting blowers, brakes, encoders or a combination of any three of these options.

Check out the Marathon® Black Max® models, features and applications below.  Call Carotron at 1-888-286-8614 with AC motor orders or questions.

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MicroMax™ Inverter Duty
1000:1 CT & 20:1 CT

Black Max® Vector Duty
1000:1 CT
Black Max® Explosion Proof
1000:1 CT

Marathon MicroMAX Inverter Duty AC Motor


♦ Designed to replace PMDC, variable, or fixed speed systems.
♦ 1/8 HP to 10 HP, 1800 RPM, TENV & TEFC, 230 Volt, 230/460 Volt, or 575 Volt.
♦ TENV rated for 1000:1 Constant torque (0 to base speed).
♦ TEFC rated for 20:1 Constant torque.
♦ Cost effective designs available as C-Face, C-Face with rigid base and C-Face with removable rigid base.
♦ Class H insulation with CR200 corona resistant magnet wire.
♦ UL, CSA, CE
♦ No encoder provisions

Marathon Black Max Vector Duty


♦ Designed for high performance applications utilizing Closed- or Open-Loop Vector controls or Volts/Hertz drives.
♦ Stock through 30 HP, 1800 RPM, and 10 HP, 1200 RPM, 230/460 Volt or 575 Volt, TENV.
♦ Constant torque operation from 0 to base speed on vector drive.
♦ Lightweight versatile design with encoder and brake provisions included on opposite drive end.
♦ MAX GUARD® Class F insulation system.
♦ UL, CSA, CE

Marathon Black Max Explosion


♦ Designed for hazardous locations Class I Groups C & D, Class II Groups F & G.
♦ Stock ratings available from 1/4 HP through 1 HP, 1800 RPM, 230/460 Volt, C-Face with rigid base.
♦ Constant torque operation from 0 to base speed on vector drive.
♦ Top mounted (F3) conduit box included (shipped loose).
♦ MAX GUARD® Class F insulation system.
♦ Class F normally closed thermostats.
♦ No encoder provisions

Call Carotron today to discuss your Marathon® Black Max® AC Motor Needs:

Local: 1 (803) 286-8614 or Toll-Free at 1 (888) 286-8614

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