NEMA PREMIUM EFFICIENCY WPI – VHS PUMP MOTOR
VCN0256
25 HP
230/460V
1200 RPM
324TP Frame3 – Phase
Enclosure – WPI
Amps at 230V – 60.65
Amps at 460V – 30.32
Drive End Bearing – 6312C3
Non-Drive End Bearing – 7220B
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
Continuous Duty
Max Elevation 3300ft
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
Standard Non-Reverse Ratchet with Heavy Duty Stainless Steel Balls
Shaft Grounding Ring Included 100HP and Larger
Space Heater Terminated in Main Terminal Box
CCW Rotation when Viewed from Top
Optional Steady Bushing
CSA Certified & UL listed
*Meets NEMA MG1 Part 31.4.4.2
*Inverter Duty Speed Range: 450 RPM to Rated RPM, S.F.=1.0
UL Listed (UL 1004-5) for Fire Pump Applications
Coupling pre-installed (BX Dimension as listed below):
210TP 280TP BX = 1.001″
320TP 360TP BX = 1.188″
400TP 445TP BX = 1.501″
447TP BX = 1.688″
449TP BX = 1.938″
* 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.
