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MAX-HT™ Medium Voltage Crusher Duty

Totally Enclosed Fan Cooled, [KD]

Categories: ,
HP 100 HP through 900 HP
Speed 1800, 1200, 900 RPM
Voltage 2300/4000V
Frequency 60 Hz.


  • Three Phase, 60 Hz, 1.15 Service Factor (Continuous); 50 Hz, 1.0 Service Factor (Continuous)
  • CSA Certified for Class I, Div. 2, Groups B, C, D - Temp Code T3 Minimum
  • CSA Certified for Class II, Div. 2, Groups F & G - Temp Code T3 Minimum (Frame 444T and above)
  • Class F Insulation
  • Class B Temperature Rise
  • NEMA Design A Torques; Equal or Greater Than 200% Starting Torque / 250% Breakdown Torque
  • Cast Iron Frame, End Brackets, Main Conduit Box; Rolled Steel Fan Cover
  • Grounding Terminal Inside Main Conduit Box
  • Oversized Main Conduit Box Rotatable in 90 Degree Increments - F1 Mounted
  • Designed for 40˚C Ambient Temperature
  • Designed for 3300 ft. Elevation
  • Bi-Directional Rotation
  • High Strength 4140 AISI Steel Shaft
  • Aluminum Die Cast Squirrel Cage Rotor Construction
  • Paint System: Phenolic Rust Proof Base Plus Polyurethane Top Coat
  • Paint Color: Dark Gray - Munsell 7.5 BG 3.5/0.5
  • High Quality Ball (or Roller) Bearings Regreasable with Mobil PolyrexTM EM
  • Automatic Grease Discharge Fittings
  • Gamma (Axial Face) Seal on Both Ends for F# 140T - 400T
  • Labyrinth Type Metal Flinger on Both Ends for F# 440T and Larger
  • Cast Iron Inner and Outer Bearing Caps for F# 320T and Larger
  • Stainless Steel Nameplate
  • New Dual Column Design Nameplate as Standard (60/50 Hz)
  • Suitable for Inverter Use per NEMA MG-, Part 31
  • Inverter Duty Speed Range: 20:1 Variable Torque, 10:1 Constant Torque (350 HP and Larger are 3:1 Constant Torque)
  • 12 Leads for 125 HP and Smaller
  • 6 Leads for 150 HP and Larger
  • Standard With Thermistors (PTC 140˚C) 1 per Phase
  • Locknut and Washer on NDE for Vertical Shaft Down Applications on F# 440 and Larger
  • Drain Holes / Plugs on Both End Brackets for Vertical Applications
  • Threaded One Way Breather Drains for Horizontal Mount Applications