Single Phase Induction Motor – Heavy Duty TEFC Industrial Electric Motor
Product Overview
Our Single-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.
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 | Single 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.
1. Matching Speed & Pole Configurations
When choosing an induction motor for your system, matching the right synchronous speed is vital.
2-Pole Motors (~2900 RPM): Ideal for high-speed applications like centrifugal water pumps, pressure boosters, and high-velocity blowers.
4-Pole Motors (~1440 RPM): Designed for high-torque applications requiring steady, moderate speeds, such as rotary gear pumps handling viscous oils, heavy conveyors, and air compressors.
2. Understanding the IP55 Weatherproof Advantage
Our induction series features an ingress protection rating of IP55. This means the internal components are thoroughly protected against dust deposits and low-pressure water jets from any direction. This makes the motor completely safe for installation in unshielded factory floors, pump rooms prone to moisture, or outdoor utility sheds without worrying about winding short-circuits.
3. Installation & Shaft Alignment Care
To ensure your motor operates smoothly for decades without bearing fatigue, pay close attention to coupling alignment. Misalignment between the motor shaft and the driven pump shaft is the primary cause of premature bearing wear and frame vibration. Always use standard flexible couplings and verify parallel alignment using a dial indicator before tightening down the mounting foot bolts.
