Electric Motors
VFD Compatible VHS Motor

VFD Compatible VHS Motor

Vertical hollow shaft pump motor using VFD for speed control

Our VFD compatible VHS motors offer advantages over traditional motors, including adjustable speed, energy savings, and increased capacity. They are suitable for pumps, ventilation equipment, supercharging equipment, small hydro generators, and thrusters. Additionally, VFD motors have superior insulation performance compared to standard motors.

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  • Frequency: 30-80Hz
  • Service factor: 1.15
  • Altitude: 1000-2000m
  • Protection degree: WP1
  • Power: 7.5HP-600HP, 700HP-2000HP
  • Speed: 1800/3600RPM
  • Frequency: 10-100Hz
  • Housing material: cast steel
  • 220-230V space heater
  • NEMA/IEC design, PWS, special balancing
  • Equipped with steel ball type anti-reverse mechanism
  • VFD starter, VFD operation, and soft starter
  • Material: Cast steel
  • Mounting type: Vertical P-Base
  • Shaft position: Vertical
  • PWS, special balancing
  • Startup mode: Star delta starter/VFD/soft starter
  • Wide voltage range: 300-460V
  • Insulated thrust bearings (Optional): TMB (standard), NSK, SKF, and FAG
  • Warranty: 1-2 years
  • Ambient temperature: 50-60℃
  • Altitude: 1000-2000m
Specifications
Model Rated Power (HP) Frame Speed (RPM) Rated Voltage (V) Efficiency (%) Axial Thrust Load (Ibs) Frame Diameter (in) Weight (Ibs)
VHS213-2-0075 7.5 213 3600 380-420V/660V 88.5 2000 10 302
VHS215-4-0075 7.5 215 1800 380-420V/660V 91.0 2500 10 302
VHS213-2-010 10 213 3600 380-420V/660V 89.5 2000 10 340
VHS215-4-010 10 215 1800 380-420V/660V 91.7 2500 10 340
VHS215-2-015 15 215 3600 380-420V/660V 90.2 2000 10 448
VHS254-4-015 15 254 1800 380-420V/660V 93.0 3200 10 583
VHS254-2-020 20 254 3600 380-420V/660V 91.0 2500 10 596
VHS256-4-020 20 256 1800 380-420V/660V 93.0 3200 10 621
VHS256-2-025 25 256 3600 380-420V/660V 91.7 2500 10 646
VHS284-4-025 25 284 1800 380-420V/660V 93.6 3200 10 658
VHS284-2-030 30 284 3600 380-420V/660V 91.7 2500 10 674
VHS286-4-030 30 286 1800 380-420V/660V 94.1 3200 10 698
VHS286-2-040 40 286 3600 380-420V/660V 92.4 2500 10 728
VHS324-4-040 40 324 1800 380-420V/660V 94.1 5500 16.5 937
VHS324-4-040 40 324 1800 460 94.1 5500 16.5 937
VHS324-2-050 50 324 3600 380-420V/660V 93.0 4290 16.5 956
VHS324-2-050 50 324 3600 460 93.0 4290 16.5 956
VHS326-4-050 50 326 1800 380-420V/660V 94.5 5500 16.5 989
VHS326-4-050 50 326 1800 460 94.5 5500 16.5 989
VHS326-2-060 60 326 3600 380-420V/660V 93.6 4290 16.5 1030
VHS326-2-060 60 326 3600 460 93.6 4290 16.5 1030
VHS364-4-060 60 364 1800 380-420V/660V 95.0 5600 16.5 1140
VHS364-4-060 60 364 1800 460 95.0 5600 16.5 1140
VHS364-2-075 75 364 3600 380-420V/660V 93.6 4400 16.5 1162
VHS364-2-075 75 364 3600 460 93.6 4400 16.5 1162
VHS365-4-075 75 365 1800 380-420V/660V 95.0 5600 16.5 1192
VHS365-4-075 75 365 1800 460 95.0 5600 16.5 1192
VHS365-2-100 100 365 3600 380-420V/660V 93.6 4400 16.5 1226
VHS365-2-100 100 365 3600 460 93.6 4400 16.5 1226
VHS404-4-100 100 404 1800 380-420V/660V 95.4 6700 16.5 1638
VHS404-4-100 100 404 1800 460 95.4 6700 16.5 1638
VHS404-2-125 125 404 3600 380-420V/660V 94.1 5265 16.5 1646
VHS404-2-125 125 404 3600 460 94.1 5265 16.5 1646
VHS405-4-125 125 405 1800 380-420V/660V 95.4 6700 16.5 1700
VHS405-4-125 125 405 1800 460 95.4 6700 16.5 1700
VHS405-2-150 150 405 3600 380-420V/660V 94.1 6285 16.5 1755
VHS405-2-150 150 405 3600 460 94.1 6285 16.5 1755
VHS444-4-150 150 444 1800 380-420V/660V 95.8 8000 16.5 2256
VHS444-4-150 150 444 1800 460 95.8 8000 16.5 2256
VHS445-4-200 200 445 1800 380-420V/660V 95.8 8000 16.5 2438
VHS445-4-200 200 445 1800 460 95.8 8000 16.5 2438
VHS445-4-250 250 445 1800 380-420V/660V 95.8 8000 16.5 2588
VHS445-4-250 250 445 1800 460 95.8 8000 16.5 2588
VHS447-4-300 300 447 1800 460 95.8 8000 20 2990
VHS5006P-4-300 300 5006P 1800 460 95.8 8750 20 3946
VHS5006P-4-350 350 5006P 1800 460 95.8 8750 20 4057
VHS5008P-4-400 400 5008P 1800 460 95.8 8750 24.5 5302
VHS5008P-4-450 450 5008P 1800 460 96.2 8750 24.5 5483
VHS5008P-4-500 500 5008P 1800 460 96.2 8750 24.5 5655
VHS5807P-4-600 600 5807P 1800 460 96.2 9680 30.5 6872
Features
High efficiency and energy savings
  • Hydraulic optimization: Combines efficient motor and hydraulic modeling to minimize water flow friction, boosting pumping efficiency and reducing energy use by 20–30%.
  • Low operating costs: Pairs with energy-saving control systems, significantly cutting electricity expenses over long-term use.
Compact and lightweight structure
  • Integrated design: Pump shaft inserts directly into the motor’s shaft hole, creating a compact, lightweight unit suited for 20–300-meter deep wells.
  • Simplified installation: Operates submerged without complex pump houses, reducing footprint and construction costs.
Adaptability and reliability
  • Multi-scenario versatility: Handles clean water, sewage, seawater, and corrosive liquids, with a head range of 10–900 meters.
  • Extreme environment durability: High-temperature heat dissipation design ensures stable operation under high heat and pressure.
Operational stability
  • Low-vibration design: Optimized drive shaft and bearing structure reduces mechanical wear, extending service life.
  • Interference resistance: Cast steel housing and oil-lubricated motor design resist corrosion and sand, ensuring long-term stability.
Maintenance convenience
  • Modular structure: Key components like bearings and impellers allow quick replacement, minimizing downtime.
  • Self-lubricating system: Oil cup or clean-water pre-lubrication reduces maintenance frequency.
Eco-friendly and low noise
  • Green operation: Emits no pollutants, meeting environmental standards.
  • Quiet technology: Optimized electromagnetic design keeps operating noise below industry averages.
Customization capability
  • Flexible material options: Offers cast iron, stainless steel, or copper outlets to suit specific water quality needs.
  • High-head customization: Adjusts pump body length for well depth, with single-stage heads ranging from meters to hundreds of meters.
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