Three Phase Induction Motor – Heavy Duty TEFC Industrial Electric Motor
Product Overview
Our Three Phase Induction Motors are engineered to deliver uncompromising torque, high thermal efficiency, and long-term mechanical endurance for demanding industrial applications. Housed in a rugged, high-grade cast iron body with integrated cooling fins, these Totally Enclosed Fan Cooled (TEFC) motors are built to operate continuously in dusty, humid, and harsh environments.
Featuring precision-balanced rotors, high-tensile shafts, and superior Class F insulation, this industrial electric motor series provides optimal power-to-weight ratios with minimal vibration. Whether you are driving centrifugal pumps, industrial fans, conveyors, or air compressors, these motors ensure seamless utility performance.
33 variants on tap: 0.25 to 15 HP in 3000, 1500 and 1000 RPM (2/4/6-pole). TEFC cast-iron body, IP55, Class F insulation with Class B rise, high-tensile shaft, rated for continuous 24/7 duty driving our gear pumps and multistage boosters.
Buying for a Hitech pump? Match motor HP from the pump's performance chart, or WhatsApp us your pump model.
Key Features & Benefits
Rugged TEFC Construction: The Totally Enclosed Fan Cooled design prevents dust, moisture, and ambient contaminants from entering the inner stator winding core.
Premium Thermal Dissipation: Heavy-duty cast iron body features deep, built-in cooling fins combined with an external cooling fan to keep operating temperatures tightly regulated during continuous 24/7 cycles.
High-Grade Insulation: Built with Class F insulation (standard Class B temperature rise limits) to protect the copper windings against voltage spikes and thermal degradation.
Low Noise & Low Vibration: Precision-machined dynamically balanced rotors and high-performance cylindrical roller bearings reduce mechanical friction, ensuring whisper-quiet running.
Standardized Frame Mounting: Fully compliant with standard industrial frame dimensions (foot-mounted B3 configuration shown), ensuring an easy drop-in replacement for existing machinery or pump skids.
Technical Specifications
Feature | Specification |
Motor Type | Three Phase AC Induction Motor (Squirrel Cage) |
Enclosure Protection | IP55 Standard (Dust-Protected & Water-Jet Proof) |
Cooling Method | TEFC (Totally Enclosed Fan Cooled) |
Body & End Shields | Heavy-Duty Graded Cast Iron / High-Dissipation Aluminum |
Insulation Class | Class F Insulation with Class B Temperature Rise |
Duty Cycle | S1 Continuous Duty |
Available Outputs | 0.5 HP to HP (Model Dependent) |
Standard Speed | 2900 RPM (2-Pole) / 1440 RPM (4-Pole) options |
Supply Voltage | 415V ±10%, 3-Phase, 50Hz Standard |
Common Applications
Fluid Management: Direct coupling to horizontal centrifugal, multistage, gear, and chemical process pumps.
Air Handling Utilities: Heavy industrial ventilation fans, blowers, and air conditioning cooling tower skids.
Material Handling: Powering industrial conveyor lines, packaging machinery, and assembly line drives.
Mechanical Tools: Driving air compressors, workshop machinery, and processing agitators.
Where are three-phase induction motors typically used?
Three-phase heavy-duty motors are built for rigorous industrial applications that require continuous power output and high starting torque for heavy machinery.
What protection does TEFC offer?
Totally Enclosed Fan Cooled (TEFC) engineering keeps dust, dirt, and debris out of the internal motor windings while an external fan efficiently dissipates heat during heavy workloads.
Are these motors durable?
Yes, they are manufactured with an absolute commitment to long-term reliability and undergo rigorous assessment in an ultramodern in-house facility before ever reaching a site.











