Hunan Sanchang Pump Co., Ltd. is one of the most reliable manufacturers and suppliers of high voltage three-phase induction motor in China. If you're going to buy high efficiency high voltage three-phase induction motor made in China, welcome to get pricelist from our factory. All customized products and OEM&ODM products are with high quality and competitive price.
High Voltage Three-Phase Induction Motor
Designed for heavy-duty industrial applications, our high voltage three-phase asynchronous motors deliver reliable performance in the most demanding environments. With rated voltages of 6kV and 10kV, these motors are engineered to drive large-scale machinery in power generation, mining, petrochemical, steel, and water treatment industries.
Built with robust construction, advanced insulation systems, and optimized cooling designs, our high voltage motors offer exceptional efficiency, low maintenance, and long service life under continuous operation.

Key Technical Specifications
|
Parameter |
Specification |
|
Rated Voltage |
6kV / 10kV (other voltages available upon request) |
|
Output Power Range |
200 kW ~ 5,000 kW |
|
Number of Poles |
2, 4, 6, 8, 10, 12 |
|
Protection Class |
IP54 / IP55 / IP56 (optional) |
|
Insulation Class |
F / H (temperature rise assessed at Class B / F) |
|
Rated Frequency |
50 Hz (60 Hz available upon request) |
|
Duty Type |
Continuous (S1) |
|
Efficiency Class |
IE2 / IE3 / IE4 (as per IEC 60034-30-1) |
|
Altitude |
≤ 1,000 m above sea level (higher altitude available upon request) |
|
Ambient Temperature |
-15°C ~ +40°C |
|
Cooling Method |
IC01 / IC06 / IC411 / IC611 / IC616 / IC81W (as per IEC 60034-6) |
|
Mounting Types |
IMB3, IMB5, IMB35, IMV1, etc. |
Product Overview
Our high voltage motors are specifically developed for large-scale industrial applications requiring high power output and continuous reliability. The motors feature:
Robust cast iron or fabricated steel frame for maximum structural integrity
Advanced VPI (Vacuum Pressure Impregnation) insulation system for superior dielectric strength and moisture resistance
Optimized ventilation and cooling for efficient heat dissipation
Low noise and vibration levels for improved operational comfort
Easy maintenance with accessible terminal boxes and bearing inspection points
All motors comply with international standards including IEC 60034, GB 755, and NEMA MG-1, ensuring global compatibility and performance assurance.
Standards Compliance
|
Standard |
Description |
|
IEC 60034-1 |
Rating and performance of rotating electrical machines |
|
IEC 60034-5 |
Degrees of protection provided by enclosures (IP code) |
|
IEC 60034-6 |
Cooling methods (IC code) |
|
IEC 60034-7 |
Structure and mounting types |
|
IEC 60034-30-1 |
Efficiency classes (IE2, IE3, IE4) |
|
GB 755 |
Chinese national standard for rotating electrical machines |
|
NEMA MG-1 |
American standard for motors and generators |
Cooling Methods Available
|
Code |
Description |
|
IC01 |
Self-cooled, free circulation |
|
IC06 |
Self-cooled, forced ventilation with shaft-mounted fan |
|
IC411 |
Totally enclosed, surface-cooled with external fan (TEFC) |
|
IC611 |
Totally enclosed, air-to-air heat exchanger |
|
IC616 |
Totally enclosed, air-to-water heat exchanger |
|
IC81W |
Totally enclosed, water-jacketed cooling |
Mounting Types Available
|
Code |
Description |
|
IMB3 |
Horizontal, foot-mounted, without flange |
|
IMB5 |
Horizontal, without feet, with flange |
|
IMB35 |
Horizontal, foot-mounted, with flange |
|
IMV1 |
Vertical, without feet, with flange (shaft pointing down) |
|
IMV3 |
Vertical, without feet, with flange (shaft pointing up) |
Insulation & Temperature Rise
Our high voltage motors are available with Class F or Class H insulation systems, with temperature rise assessed at either Class B or Class F levels depending on customer requirements. The VPI insulation treatment ensures:
Excellent dielectric strength
Superior moisture and chemical resistance
Enhanced thermal conductivity
Extended insulation life
Scope of Application
These high voltage motors are suitable for driving a wide range of heavy industrial machinery, including:
Centrifugal and axial fans for ventilation and draft systems
Water pumps, including boiler feed, cooling water, and slurry pumps
Compressors for air, gas, and refrigeration
Crushers, mills, and pulverizers in mining and cement plants
Conveyors and belt systems for material handling
Rolling mills and metal processing equipment
Mixers and agitators in chemical processing
Winders and hoists in mining and construction
Typical industries served:
Power generation (thermal, hydro, and nuclear)
Mining and mineral processing
Petrochemical and refining
Steel and non-ferrous metallurgy
Cement and building materials
Water and wastewater treatment
Pulp and paper manufacturing
Model Designation (Example)
Example: YKK-500-4
|
Part |
Meaning |
|
YKK |
Series code (totally enclosed, air-to-air cooled) |
|
500 |
Frame center height (500 mm) |
|
4 |
Number of poles (4-pole, 1500 rpm at 50 Hz) |
Other common series prefixes:
Y – General purpose high voltage motor
YKK – Totally enclosed, air-to-air cooled
YKS – Totally enclosed, air-to-water cooled
YX – High efficiency high voltage motor
Optional Features
We offer a wide range of optional features to customize the motor for specific application requirements:
|
Option |
Description |
|
RTDs (Resistance Temperature Detectors) |
For stator winding and bearing temperature monitoring |
|
Space heaters |
To prevent condensation during standstill |
|
Anti-condensation drainage holes |
For humid environments |
|
Special shaft materials |
For corrosive or high-torque applications |
|
Non-sparking construction |
For hazardous (explosive) environments |
|
Custom terminal box orientation |
Top, side, or bottom mounting |
|
Special coatings |
For marine, chemical, or outdoor environments |
|
Bearing type options |
Sleeve or rolling bearings |
|
Forced lubrication system |
For high-speed or heavy-load applications |
Important Notes
Special conditions – Any deviations from standard operating conditions (e.g., high altitude, extreme temperatures, corrosive atmospheres, explosive environments) must be communicated at the time of ordering. A technical agreement will be signed to ensure proper motor design.
Technical data – Performance values provided in this datasheet are for reference purposes. Final specifications will be confirmed upon order placement.
Specifications subject to change – Due to ongoing technological advancements and standard revisions, specifications and dimensions are subject to change without prior notice. Please request official outline drawings after order confirmation.
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