US-Nidec U12S3AC General Purpose Motor 1/2 HP 1200 RPM 208-230/460 - U12S3AC
The US-Nidec U12S3AC is a reliable general purpose motor ideal for various industrial applications. This motor delivers a power output of half a horsepower and operates at a speed of twelve hundred RPM. Designed for efficiency, it works with voltages ranging from two hundred eight to four hundred sixty volts.
Product Highlights
This motor is designed to handle heavy-duty applications, making it perfect for continuous use in industrial settings.
Features
- Suitable for fans, blowers, compressors, and pumps.
- Three-phase electrical type with TEFC enclosure.
- Constructed from durable rolled steel with ball bearings.
Specifications
| Brand |
US-Nidec |
| Model Number (MPN) |
U12S3AC |
| Horsepower |
1/2 HP |
| RPM |
1200 RPM |
| Voltage Ratings |
208-230V / 460V |
| Frame |
56 |
| Amperage |
2.2-2.2 (208-230V) / 1.1 (460V) |
| Enclosure |
TEFC (Totally Enclosed Fan Cooled) |
| Phase |
Three Phase |
| Diameter |
6.5 inches |
| Rotation |
Reversible |
| Mounting |
C-Face / Footed |
| Shaft Type |
Single |
What our Experts Think
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Smooth Low-Speed Performance: With a 1/2 HP output at 1200 RPM, this motor is ideal for applications requiring lower-speed torque, such as conveyors, mixers, or fans.
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Versatile Voltage: Supports 208-230/460V, 3-phase power—flexible for various industrial and commercial electrical systems.
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General Purpose Utility: Great for a wide range of machinery in manufacturing, HVAC, and material handling.
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Durable Build: Manufactured by US-Nidec, known for delivering rugged, long-lasting motor solutions that handle continuous use.
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Efficient Operation: Built for energy efficiency, helping reduce power costs while maintaining solid performance.
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TEFC Housing Option (if applicable): Keeps internal components safe from dust and moisture, improving motor lifespan and reliability.
Q&A
Q: What is the US-Nidec U12S3AC motor used for?
A: The U12S3AC is a general-purpose motor designed for industrial and commercial applications such as conveyors, fans, blowers, and low-speed machinery.
Q: What is the power and speed rating of the U12S3AC motor?
A: It provides 1/2 HP and operates at 1200 RPM, offering steady, low-speed torque ideal for equipment that doesn’t require high RPM.
Q: What voltage does the U12S3AC support?
A: This motor supports 208-230/460V in three-phase configurations, making it suitable for standard industrial power systems.
Q: What type of motor is the U12S3AC?
A: It is a Totally Enclosed Fan Cooled (TEFC) motor, providing protection against dust, dirt, and moisture, ideal for harsher environments.
Q: Where is the U12S3AC motor best suited?
A: Best suited for continuous-duty, low-speed industrial operations like mixers, conveyors, and processing machinery where reliable torque and motor protection are essential.
Maintenance Tips
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Clean the Exterior Regularly:
Dust and debris can clog ventilation openings and cause overheating. Wipe down the motor housing and keep vents clear.
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Inspect Electrical Terminals:
Ensure all wiring connections are tight and corrosion-free to prevent arcing, voltage drops, or motor failure.
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Verify Correct Voltage Supply:
Operate only within the rated voltage range (208–230/460V). Over/undervoltage conditions can reduce efficiency and damage windings.
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Check for Overheating:
Monitor temperature during operation. Excessive heat may signal overloading or poor ventilation.
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Lubricate Bearings (if applicable):
If your motor requires it, use manufacturer-recommended lubricant and avoid over-greasing. Check schedule in user manual.
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Inspect Mounting and Alignment:
Ensure the motor is firmly mounted and properly aligned with the driven equipment to prevent wear or vibration.
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Listen for Unusual Sounds:
Humming, grinding, or knocking noises may indicate bearing or mechanical issues—address immediately.
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Check for Vibration:
Vibrations can lead to fatigue or damage. Balance load and secure all mounting hardware to minimize movement.
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Protect Against Moisture and Contaminants:
Operate the motor in a clean, dry environment to avoid rust, insulation failure, or electrical shorts.
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Schedule Routine Inspections:
Periodically inspect motor windings, connections, and performance for early signs of wear or failure.
