U.S. Motors ET3220 Definite Purpose Single Phase ODP Square Flange Motor - ET3220
The U.S. Motors ET3220 is a definite purpose single-phase ODP square flange motor. Designed for efficiency and reliability, this motor is ideal for various applications.
Product Highlights
This motor is suitable for continuous duty applications, offering robust performance and automatic reset thermal protection.
Features
- 2 horsepower with a speed of 3600 rpm
- Voltage rating of 208-230 for versatile use
- ODP enclosure for protection against dust and moisture
Specifications
| Horsepower (HP) |
1/3 HP |
| Voltage Rating |
208-230V |
| Phase |
Single Phase |
| RPM |
3600 RPM |
| Full Load RPM |
3450 RPM |
| Service Factor |
1.35 |
| Enclosure Type |
ODP – Open Drip Proof |
| Mounting Type |
Square Flange |
| Poles |
2 |
| Thermal Protection |
Automatic Reset |
| Duty Rating |
Continuous Duty |
| Frame Size |
56Y |
| Weight |
17.0 LB |
| Application |
Definite Purpose |
| EAN or UPC |
786382078096 |
| Brand |
U.S. Motors |
| MPN |
ET3220 |
What our Experts Think
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Powerful Performance: Delivers 2 HP at 3450 RPM, ideal for pool and spa pump applications.
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Durable Construction: Features a 56Y frame with a square flange mount, ensuring compatibility with various pump systems.
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Efficient Operation: Operates on 208-230V, 60 Hz, single-phase power, providing reliable and energy-efficient performance.
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Robust Design: Equipped with a stainless steel shaft and sealed ball bearings, offering durability and protection against moisture.
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Maintenance-Friendly: Includes automatic overload protection and Class B insulation, simplifying installation and reducing maintenance needs.
Q&A
Q: What applications is the ET3220 motor suitable for?
A: This motor is ideal for pool and spa pumps, specifically as a replacement for Hayward Tristar units. It is also suitable for other applications requiring a reliable single-phase power source in environments where protection from dripping water is adequate.
Q: What are the benefits of the ODP enclosure?
A: The Open Drip Proof design allows for effective cooling of the motor while preventing the entry of dripping water, making it suitable for indoor applications where moisture is minimal.
Q: Is the ET3220 motor inverter-duty rated?
A: This motor is not specifically rated for inverter-duty. For applications involving variable frequency drives (VFDs), it's recommended to consult the manufacturer to ensure compatibility.
Q: Does the ET3220 motor include thermal protection?
A: Yes, the motor includes automatic thermal protection to prevent overheating and ensure safe operation.
Maintenance Tips
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Regular Inspections: Check for unusual vibrations, noises, or overheating to detect potential issues early.
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Clean Air Vents: Ensure the Open Drip Proof (ODP) enclosure remains free from debris to maintain proper airflow and cooling.
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Lubrication: Apply manufacturer-recommended lubricants to bearings as per guidelines to reduce friction and wear.
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Monitor Operating Conditions: Regularly monitor motor temperature, voltage, and current to ensure optimal performance.
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Check Alignment: Ensure proper alignment with driven equipment to avoid stress and premature wear.
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Inspect Electrical Components: Tighten electrical connections and inspect cables for signs of damage.
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Replace Filters: If applicable, replace air or oil filters to prevent contaminants from affecting performance.
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Test Motor Rotation: Verify the motor rotation direction periodically to ensure proper operation.
