Overview
The YJ72 is a robust and reliable AC shaded pole motor designed for continuous-duty applications requiring consistent, low-to-moderate torque. Utilizing the simple and time-tested shaded pole principle, this motor offers a cost-effective, maintenance-free solution for driving fans, blowers, pumps, and light-duty mechanical systems in industrial, commercial, and appliance settings. Its durable construction and proven design ensure long-term performance where reliability is paramount.
Key Features & Advantages
Simple & Highly Reliable Design: The shaded pole construction contains no brushes, capacitors, or centrifugal switches. This eliminates common electrical and mechanical failure points, ensuring exceptionally long service life with minimal to zero maintenance.
Continuous Duty Capability: Rated for 100% duty cycle (S1 operation), making it ideal for applications requiring uninterrupted, long-duration runtimes such as ventilation fans, exhaust systems, and cooling equipment.
Cost-Effective Performance: Provides one of the most economical motor solutions for single-phase AC applications, delivering reliable operation at a low total cost of ownership.
Quiet & Smooth Operation: Engineered with precision-balanced rotors and optimized magnetic circuits to minimize audible noise and vibration, contributing to a quieter operating environment.
Easy Installation & Control: Operates directly from a standard single-phase AC power source (e.g., 120V/240V, 50/60Hz). Speed can be adjusted within a limited range using simple voltage regulation methods (e.g., triac-based speed controllers).
Robust Construction: Built with a sturdy housing, quality sleeve or ball bearings, and high-temperature insulation materials to withstand demanding environmental conditions, including elevated ambient temperatures.
Inherently Safe Start-Up: Provides gentle, self-starting torque without high inrush current spikes, reducing stress on the motor and the electrical supply circuit.
Typical Specifications
Motor Type: Single-Phase AC Shaded Pole Induction Motor.
Model Designation: YJ72 (Indicative of frame size and performance class).
Input Power: AC 115V / 230V, 50/60 Hz (specific voltage to be confirmed).
Output Power: Typically in the range of 15W to 60W.
Synchronous Speed: 1500 RPM (50Hz) or 1800 RPM (60Hz) for a 4-pole design. Actual operating speed is lower due to slip.
Mounting: Versatile mounting options including resilient base mounts, face-mounted flanges, or through-bolt arrangements.
Shaft: Standard output shaft designed for secure attachment of impellers, fans, or light pulleys.
Thermal Protection: Optional integrated thermal cut-off for overload and over-temperature protection.
Primary Applications
The YJ72 is a versatile workhorse for applications requiring dependable, continuous airflow or light mechanical motion:
Commercial & Industrial Ventilation: Exhaust fans, duct fans, condenser fan motors, equipment cooling fans.
Appliances: Range hood blowers, bathroom exhaust fans, humidifier fans, attic fans.
Medical & Laboratory Equipment: Cooling fans for medical enclosures and lab instruments.
Light-Duty Drives: Small conveyor drives, vending machine mechanisms, signage rotators.
Why Choose the YJ72 Shaded Pole Motor?
For engineers and designers seeking a no-fuss, dependable, and economical motor for continuous operation, the YJ72 stands out. Its legendary simplicity translates into proven field reliability, reducing warranty claims and system downtime. When your application needs a set-and-forget motor to deliver consistent performance day in and day out, the YJ72 shaded pole motor is a trusted and cost-effective choice.
