Low Voltage

Optim VH

Back to Low Voltage

NEMA Standard 3-Phase Motors
Vertical Hollow Shaft – High Thrust
60Hz, 230/460V, 460V or 575V
NEMA Design B, Continuous Duty
Class F Insulation, 40°C Ambient, 1.15 S.F.
HPE™ Inverter Duty Wire

The Optim® VH Vertical Hollow Shaft motors are designed and engineered to meet all your pumping needs including wastewater, irrigation, water treatment and lift stations. These feature packed NEMA Premium efficiency inverter duty motors are built with the quality and durability that has made TECO-Westinghouse a global leader in electric motors.

Couple your Optim® VH with our TECO VFD’s for energy savings & speed control. TWMI offers a variety of pump solutions for all industries mentioned above.

Price Catalogue
  • 3-400HP
  • 3600*, 1800 & 1200 RPM (*Up to 150 HP)
  • WPI Enclosure / IP22 Design
  • 60Hz, 230V/460V, 460V or 575V
  • High Thrust Vertical Hollow Shaft with P-Base
  • NEMA Premium Efficiency
  • 1.15 S.F. Sine Wave Power; 1.0 S.F. VFD Power
  • Class F Insulation
  • Class B Temperature Rise
  • Max Elevation 3300ft
  • Continuous Duty
  • NEMA Design B
  • 40°C Ambient
  • Guide Bearings: Shielded Bearings Frames 210TP-280TP and Open Bearings with Regreaseable Provisions Frames 320TP and Larger
  • Thrust Bearings: Re-Greasable Angular Contact 210TP-280TP and Oil Lubricated Angular Contact with Site Glass 320TP and Larger
  • Polyrex EM Grease in all Regreaseable Bearings, Multemp SRL Grease in Shielded Bearings
  • Thrust Bearing Oil Requirements: Turbine Oil With a Viscosity of 150 S.S.U. at 100°F for 2P, 300 S.S.U. at 100°F for 4P & 6P Frames
  • 320TP-400TP; 300 S.S.U. at 100°F for 440TP and Larger
  • Aluminum Rotor
  • Cast Iron Frame, End Brackets, and Main Conduit Box
  • Fabricated Steel Drip Cover
  • 1045 Carbon Steel Hollow Shaft
  • Number of Leads 230/460V: 9 Leads 3-5HP; 12 Leads 7.5-125HP; 6 Leads 150HP and Larger
  • Number of Leads 575V: 6 Leads
  • Solderless Lug Terminals on All Leads
  • Grounding Terminal Inside Main Terminal Box
  • Paint System: Phenolic Rust Proof Base with Lacquer Top Coat
  • Stainless Steel Nameplate and Rodent Screens
  • Metal Flinger at Flange Bracket End 320TP and Larger
  • Phenolic Alkyd Resin Varnish and Spray Enamel Coat
  • *HPE™ High Pulse Endurance Spike Resistant Wire
  • Coupling and Gib Key Included (BX Dimension Required at Time of Order)
  • Standard Non-Reverse Ratchet with Heavy Duty Stainless Steel Balls
  • Space Heater Terminated in Main Terminal Box
  • CCW Rotation when Viewed from Top
  • Optional Steady Bushing
  • CSA Certified & UL listed
  • *Meets NEMA MG1 Part
  • *Inverter Duty Speed Range: 450 RPM to Rated RPM, S.F.=1.0
  • UL Listed (UL 1004-5) for Fire Pump Applications


* Precautions should be taken to eliminate or reduce voltage spikes and shaft currents that may be imposed on the motor by the VFD as stated per NEMA MG1, Part 31.4.4.

Price Catalogue

To find information on a specific product, use our product search or download our price catalogue (9 MB).

Price Catalogue