Marathon® Electric Motors – Blue Chip® Motors
(SB526 Variable Speed Motors)
Marathon® Blue Chip® AC motors are designed to provide a dependable solution for severe-duty motor needs in any conditions.
Learn more about the high-demand Blue Chip® motor models available from Carotron.
Features of Blue Chip® Motors
For several decades, Blue Chip® motors have been industry leaders. These high-performance motors excel when reliability, variable speed, and maximum efficiency are non-negotiable. Blue Chip® motors have a wide frequency and voltage range, so they meet global requirements. They are inverter duty-rated at 10:1, allowing for variable and constant torque loads.
Other features include:
- Voltage: 208-230/460 VAC, 230/460 VAC, 460 VAC and 575 VAC, 50/60 Hz.
- Power rating: 1 to 450 horsepower
- Insulation: Class F insulation
- 100% cast iron construction
Blue Chip® Motor Models
Carotron offers two Blue Chip® motor variants:
- Blue Chip® Severe Duty Explosion Proof 2:1 CT to 10:1 CT: With a power rating between 1 and 350 horsepower, the Severe Duty explosion-proof model is rated for Class I Groups C and D, Class II Groups F and G, and temperature code T3B. It meets IEEE45 USCG Marine Duty specifications.
- Blue Chip XRI® Severe Duty & IEEE841 Up to 20:1 CT: The XRI® Severe Duty models also meet IEEE45 USCG Marine Duty specifications. They have internal and external epoxy coatings. Within this line, the XRI Severe Duty has IP54 Construction and the IEEE841 has IP56 Construction.
Both models are capable of variable and constant torque.
Check out these two Marathon® Blue Chip® motor models and features below. Call Carotron at 1-888-286-8614 with AC motor orders or questions.
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Blue Chip® Severe Duty Explosion Proof 2:1 CT to 10:1 CT
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Blue Chip XRI® Severe Duty
& IEEE841
Up to 20:1 CT
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♦ Cast iron construction, 1 HP through 350 HP, UL Listed.
♦ Class I Groups C & D, Class II Groups F & G, Temperature code T3B.
♦ Motor nameplate has Variable & Constant torque capability for use with any PWM Drive.
♦ 1.15 Service factor on sinewave, 1.0 Service factor on VFD power.
♦ CR200 corona-resistant magnet wire.
♦ Meets IEEE45 USCG Marine Duty specifications.
♦ IP54 Construction.
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♦ 100% cast iron construction, 3/4 HP through 450 HP.
♦ Capable of Variable torque and Constant torque.
♦ 1.15 Service factor on sinewave, 1.0 Service factor on VFD power.
♦ NEMA Design B provides limited in-rush current when bypassing the VFD.
♦ Internal and external epoxy coatings.
♦ MAX GUARD® Class F insulation system.
♦ Meets IEEE45 USCG Marine Duty Specifications.
♦ IP54 Construction on XRI Severe Duty and IP56 Construction on IEEE841.
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Warranty Information for Blue Chip® Motors
Marathon® Blue Chip® motors come with a three-year warranty.
Contact Carotron
Blue Chip® motors are designed to withstand hard use, making them ideal for food processing, automotive, foundry and paper plant applications. Contact Carotron today with any questions or to place an order.