TECO MAX-HT™ Low Voltage Crusher Duty Motors


The TECO MAX-HT™ Low Voltage Crusher Duty motors are engineered for demanding high torque applications such as crushers, ball mills, and shredders. With rugged cast-iron construction, high efficiency designs, and inverter-duty ratings, these motors deliver durability, reliability, and performance across a wide horsepower range.

Key Points

  • Horsepower Range: 20 – 600 HP with speeds at 1800, 1200, and 900 RPM
  • Hazardous Location Ready: CSA certified for Class I, Div. 2 and Class II, Div. 2 (select frames)
  • Thermal Protection: Standard thermistors (PTC 140°C) included for overload safeguarding
  • Maintenance Friendly: Oversized, rotatable main conduit box and regreasable bearings with automatic grease discharge fittings
  • Durable Build: Cast iron frame, high-strength 4140 AISI steel shaft, and corrosion-resistant paint system
  • Inverter Duty: Suitable for VFD use per NEMA MG-1 standards, with variable and constant torque ranges
  • Service Factor: 1.15 (continuous) at 60 Hz; 1.0 at 50 Hz or when operated on a VFD