WPI Low Voltage High Thrust with “P” Base


Categories: ,
HP 7.5 HP through 800 HP
Speed 1800 RPM
Voltage 230/460V, (Usable on 208V)
Frequency 60 Hz.


  • Three Phase, 60 Hz, 1.15 Service Factor (Continuous on Sine Wave Power)
  • Inverter Duty (PWM) per NEMA® MG-1 Part 31 at 1.0 Service Factor
  • New Dual Column (60/50 Hz) Design Nameplate as Standard; 50 Hz Data 190/380V at 1.0 S.F.
  • Standard Features: Coupling w/ Gib Key, Ball Type NRR, Drip/Splash Cover, Space Heaters (120V)
  • 5000 Frames and Above also include Mounting Provisions for bearing RTD's and Insulated Bearing Housing
  • Optional Capability for 175% High Thrust Requirement for 444 - 449TP Frames
  • Motor Design Suitable to handle 2 stacked bearings; Motors will ship with 1 bearing and 1 spacer as Standard
  • Class F Insulation with Phenolic Alkyd Resin Varnish
  • Class B Temperature Rise
  • NEMA Design B Torques
  • Oversized Main Conduit Box Rotatable in 90 Degree Increments - Fully Gasketed with NPT Threaded Entrance
  • Cast Iron Conduit Box for F#449TP and Below; Steel Plate Conduit Box for F#5000
  • Designed for 40˚C Ambient Temperature
  • Designed for 3300 ft. Elevation
  • Counterclockwise (CCW) Rotation; Viewed from Top
  • Cast Iron Frame & End Brackets
  • 1045 Hollow Carbon Steel Shaft
  • Aluminum Die Cast Squirrel Cage Rotor Construction for F#449TP and Below
  • Squirrel Cage Copper or Copper Alloy Bar Rotor Construction for F#5000
  • Paint System: Phenolic Rust Proof Base Plus Polyurethane Top Coat
  • Paint Color for AMRC (MAX-VH™): Dark Gray - Munsell 7.5B 3.5/0.5
  • Paint Color for AMRCNH (MAX-VHP™): Blue - Munsell 5PB 3/8
  • Guide Bearings: 213 - 286TP frames are Grease Pre-packed Double Shielded Bearings (MULTEMP SRL) 324TP - 5009P frames are Re-Greasable (Mobil Polyrex EM)
  • Thrust Bearings: 213 - 286TP frames are Re-Greasable Angular Contact (Mobil Polyrex EM); 324 - 449TP frames are Oil Lubricated Angular Contact; F#5000 and Above with Spherical Roller
  • Oil Sight Glass for 324TP Frames and Above
  • Oil Requirements: 300 S.S.U. @100°F
  • Grounding Terminal Inside Main Box
  • Stainless Steel Nameplate and Rodent Screens
  • 12 Leads (PWS on 230V) on 213 - 405TP3; Wye/Delta on 230V or 460V
  • 6 Leads on 444TP to 449TP; 5000 Frames and Above with Connection Studs
  • Suitable for Inverter Use per NEMA MG-, Part 31. 10:1 Variable Torque with NRR. 10:1 C.T., 20:1 VT without NRR Using Braking in VFD
  • Precautions should be taken to eliminate or reduce shaft currents that may be imposed on the motor by VFD at stated per NEMA MG-1, part 31 for AMRCNH and Part 30 for AMRC.
Go to Top