TECO Max-HT™ Low Voltage Crusher Duty Motors – Design A


The TECO Max-HT™ Design A motor is engineered for heavy-duty, high torque industrial applications such as crushers, mills, shredders, and impactors. With NEMA Premium efficiency, rugged cast-iron construction, inverter-ready performance, and CSA certification for hazardous locations, it delivers reliable operation in demanding environments.

Key Points

  • Applications: Designed for crushers, ball mills, rolling mills, chippers, shredders, and impactors.
  • Durability: Features a cast iron frame, 4140 AISI steel shaft, labyrinth flinger seals, and stainless-steel nameplate.
  • Performance: NEMA Design A torques with =200% starting torque and =250% breakdown torque.
  • Cooling & Protection: TEFC enclosure (IP55), thermistor protection, automatic grease fittings, and robust bearing system.
  • Power & Speed: Available in 200–500 HP with 1800, 1200, and 900 RPM options.
  • Certifications: CSA Certified for Class I Div. 2 and Class II Div. 2 hazardous locations.
  • Inverter Duty: Suitable for VFD use per NEMA MG-1 Part 31 with variable and constant torque ranges.