A variable frequency drive is an electronic device that allows you to start, stop, and control the speed of a three phase motor. It is also a motor starter as it is equipped with overload protection. Read more »
What is the difference between a 'new surplus' motor and a 'factory new' motor?
Our New Surplus electric motors and drives are new and unused overstock or discontinued items offered at lower prices and come with our 90-day warranty.
Factory New products are competitively priced and come with a manufacturers warranty.
Variable frequency drives (VFDs or inverters) now play an important part in major industry.
Within the last 10 years they have been perfected to control and vary the speed of 3 phase electric motors. They serve many purposes, besides speed control. Homeowners and hobbyist alike, who have lathes or milling machines with a 3 phase motor, usually don't have 3 phase power to operate. These VFDs (instead of using a rotary phase converter) can now be used to convert single phase power to 3 phase power. Read more »
WPI - MAX-VH VERTICAL HOLLOW SHAFT WPI AND UL FIRE PUMP
APPLICATIONS:
Deep Well Turbine Pumps
Irrigation
Fire Pumps
Fluid Handling Systems
Water/ Waste Water
FEATURES:
125 HP
1800 RPM
230/460 Volts @ 60 Hz
405TP Frame
94.5 % Full Load Efficiency
87.5 % Full Load Power Factor
141.5 A Full Load Amperage
Downthrust: 7900 lbs.
BD Dimension: 16.5 in.
CD Dimension: 36.94 in.
BX Dimension: 1.501 in.
High Thrust Vertical Hollow Shaft with P-base
Weather Protected Type 1 (WPI) Enclosure
Standard with Coupling and Gib Key
Standard with Ball Type Non-Reverse Ratchet
Standard with 120V Space Heaters in Main Lead Box
AMRC meets or exceeds EPAct Efficiency Levels. AMRCNH is NEMA Premium Efficient.
Factory New with Manufacturer's Warranty
60 Hz, 230/460 V; 460, 575V; 150 HP and Larger are 460V Only; 50 Hz, 190/380V data will also be on nameplate
1.15 Service Factor - Continuous on Sine Wave Power, 1.0 S.F. on Pulse Width Modulation (PWM)
Class F Insulation with Phenolic Alkyd Resin Varnish - 2 Dips and Bakes
Class B Temperature Rise
NEMA Design B Torques for All Ratings
Oversized Main Conduit Box Rotatable in 90 Degree Increments - Fully Gasketed with NPT Threaded Entrance
CCW Rotation when Viewed from Top
Cast Iron Frame, End Brackets, and Main Conduit Box
Fabricated Steel Drip Cover
1045 Hollow Carbon Steel Shaft
Aluminum Die Cast Squirrel Cage Rotor Construction
Paint System: Phenolic Rust Proof Base Plus Polyurethane Top Coat
Paint Color: Blue Gray - Munsell 7.5BG 3.5/0.5
Guide Bearings: 213TP - 286TP frames are Double Shielded
Guide Bearings: 324TP - 449TP frames are Re-Greasable with Polyrex EM Grease
Thrust Bearings: 213TP - 286TP frames are Re-Greasable Angular Contact with Polyrex EM Grease
Thrust Bearings: 324TP - 449TP frames are Oil Lubricated Angular Contact with Site Glass
Oil Requirements for 324TP-405TP - 145 to 175 S.S.U. @ 100?F
Oil Requirements for 444TP-449TP - 300 S.S.U. @ 100?F
Grounding Terminal Inside Main Box
Stainless Steel Nameplate and Rodent Screens
9 Leads (PWS on 230V) on 210TP to 365TP; 12 Leads (PWS on 230V) on 404TP to 405TP; 6 Leads (PWS on 460V) on 444TP to 5810P
Inverter Duty - 4:1 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 the VFD as stated per NEMA MG1, Part 31.4.4.3 for AMRCNH (Part 30 on AMRC)
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