U.S. Motors S3P2A General Purpose Three Phase TEFC Horizontal - Footed Motor - S3P2A
The U.S. Motors S3P2A is a three-phase electric motor designed for general purpose applications. It features a TEFC (Totally Enclosed Fan Cooled) enclosure and operates at 3 horsepower and 1800 RPM. This motor is suitable for various tasks including pumps, fans, compressors, and material handling in environments that may be damp, dusty, or dirty.
Product Highlights
This motor is built for continuous duty with a rolled steel frame. It meets NEMA Premium efficiency standards and is compliant with the Federal Energy Management Program (FEMP) energy efficiency levels.
Features
- Three-phase motor with a 3 HP output
- TEFC enclosure for enhanced durability
- Voltage rating of 208-230/460
Specifications
| Brand |
U.S. Motors |
| Model Number (MPN) |
S3P2A |
| Horsepower (HP) |
3 HP |
| Full Load RPM |
1800 RPM |
| Phase |
Three Phase |
| Voltage Rating |
208-230/460 V |
| Frame Size |
182T |
| Weight |
85.0 lb |
| Efficiency Group |
Premium Efficient |
| Duty |
Continuous Duty |
| Insulation Class |
F |
What our Experts Think
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High Efficiency & Performance
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3 HP motor running at 1,765 RPM, designed for demanding industrial applications
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Offers 89.5% nominal efficiency to minimize energy consumption and reduce operational costs
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Versatile Power Compatibility
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Operates on 208-230/460V, 3-phase power, adaptable to various commercial setups
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VFD-compatible, supporting variable torque (20:1) and constant torque (4:1) applications
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Durable & Reliable Design
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Features a 182T frame with rolled steel construction for long-lasting durability
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Totally Enclosed Fan Cooled (TEFC) housing protects the motor from dust and moisture
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Easy Installation
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Footed, rigid base mounting with a keyed shaft for secure installation
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Reversible rotation and Class F insulation for flexible operation and reliability in various conditions
Q&A
Q: What applications is the U.S. Motors S3P2A motor suitable for?
A: This motor is ideal for general industrial equipment, including fans, blowers, compressors, pumps, and direct-connected machinery.
Q: What are the key specifications of the S3P2A motor?
A: It delivers 3 HP at 1800 RPM, operates on 208-230/460V 3-phase power, and features a 182T frame. The motor has a Totally Enclosed Fan Cooled (TEFC) enclosure, ensuring durability in various environments.
Q: What is the motor's service factor and efficiency?
A: The S3P2A motor has a service factor of 1.15 and offers a nominal efficiency of 89.5%, making it suitable for continuous-duty applications.
Q: What are the mounting and bearing configurations?
A: It comes with a rigid base mount and is equipped with ball bearings, providing stability and reliability during operation.
Q: Is the motor inverter-rated?
A: Yes, the S3P2A motor is inverter-rated with a 20:1 constant torque and 4:1 variable torque range, allowing for flexible speed control.
Maintenance Tips
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Ensure proper ventilation: Install the motor in a well-ventilated area to prevent overheating.
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Check electrical connections: Ensure all wiring is secure and free from corrosion.
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Monitor operating voltage: Confirm that the motor operates within its rated voltage range (208/230/460V).
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Inspect bearings and shaft: Regularly check for signs of wear or damage to ensure smooth operation.
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Keep the motor clean: Remove dust and debris from the motor and surrounding area for optimal efficiency.
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Test thermal overload protection: Ensure that the motor's thermal protection is functioning properly to prevent overheating.
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Lubricate bearings as required: Apply lubrication to bearings to reduce friction and prevent wear.
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Schedule regular inspections: Perform routine checks to identify and address any issues before they affect performance.
