U.S. Motors AST275 Definite Purpose Single Phase ODP C-Face Motor - AST275
The U.S. Motors AST275 is a definite purpose single phase ODP C-face motor with a power rating of two and three-quarter horsepower. This motor operates at three thousand six hundred RPM and has a voltage rating of two hundred eight to two hundred thirty volts, making it suitable for various applications.
Product Highlights
This motor features an open drip-proof enclosure and is designed for continuous duty operation. It provides a reliable solution for HVAC systems and pumps, contributing to improved efficiency in various setups.
Features
- Power: 2.75 hp
- Rated Speed: 3600 rpm
- Phase: Single Phase
Specifications
| Enclosure Designation |
ODP - Open Drip Proof |
| Full Load RPM |
3450 rpm |
| Mounting |
C-Face |
| Frequency (Hz) |
60 Hz |
| Insulation Class |
F |
| Frame Size |
56J |
| Duty |
Continuous Duty |
| Poles |
2 |
| Voltage Rating |
208-230 V |
| Full Load Amps |
12.3-11.3 A |
| Weight |
28.5 LB |
| EAN or UPC |
786382117771 |
| Thermal Protection |
Automatic Reset |
| Motor Application |
Definite Purpose |
| Brand |
U.S. Motors |
| Part Number (MPN) |
113631411 |
What our Experts Think
-
Specialized for Definite Applications: The AST275 motor is designed for definite purpose applications such as compressors, blowers, and fans, where specific motor characteristics are essential for optimal performance.
-
Single-Phase Power: Operating on single-phase power, this motor is ideal for residential, light commercial, and industrial applications where three-phase power isn’t available.
-
ODP Enclosure: With an Open Drip Proof (ODP) enclosure, this motor provides efficient cooling and protection from dust and moisture, making it suitable for dry, clean indoor environments.
-
C-Face Design: The C-Face mounting configuration makes the motor compatible with a variety of equipment, providing a secure fit and easy integration into existing systems.
-
Durability and Efficiency: Built for continuous-duty applications, the AST275 motor is engineered to provide long-lasting, reliable performance with minimal maintenance.
-
U.S. Motors Quality: Backed by the trusted reputation of U.S. Motors, known for their high-quality and dependable motor solutions across diverse industries.
Q&A
Q: What is the U.S. Motors AST275 used for?
A: The AST275 is a definite purpose motor designed for specialized applications such as conveyors, compressors, and industrial machinery that require a single-phase motor with a C-face mounting for secure installation.
Q: What are the key specifications for the AST275 motor?
A: The AST275 motor is single-phase and features an Open Drip Proof (ODP) design, providing adequate protection from moisture and dust in clean environments. It also has a C-face for easy and stable mounting onto compatible machinery.
Q: What does "C-Face" mean for the AST275 motor?
A: The C-face refers to a flange mount design that allows the motor to be bolted directly to the driven equipment, ensuring secure and precise alignment. It's commonly used for motors that drive fans, pumps, and similar machinery.
Q: What does "ODP" mean for the AST275 motor?
A: ODP (Open Drip Proof) means that the motor is designed with an open housing that allows air to flow freely, providing cooling and protection from moisture falling vertically. It's suitable for dry environments where dirt and moisture exposure is minimal.
Q: Where is the AST275 motor best suited?
A: The AST275 motor is ideal for industrial and commercial applications, such as pumps, fans, compressors, and conveyors, where reliable motor performance is needed in environments that aren't exposed to excessive dust or moisture.
Maintenance Tips
-
Regular Cleaning:
Keep the motor and surrounding area clean. Use compressed air or a dry cloth to remove dust, dirt, and debris, which can obstruct airflow and cause overheating. Ensure ventilation openings remain clear.
-
Inspect Electrical Connections:
Periodically check all electrical connections for tightness and signs of corrosion. Loose or corroded connections can lead to electrical failures and inefficiency.
-
Lubricate Bearings (If Applicable):
If the motor has external lubrication points, lubricate the bearings at the recommended intervals to reduce friction and extend bearing life. Follow the manufacturer's guidelines for appropriate lubricants.
-
Monitor for Overheating:
Ensure the motor does not overheat during operation. If the motor feels excessively hot, check the airflow and confirm the motor is not overloaded. Overheating can reduce the motor's lifespan and efficiency.
-
Check for Vibration or Unusual Noise:
Listen for any abnormal sounds or vibrations. Unusual vibrations may indicate misalignment, worn bearings, or other mechanical issues. Address these problems promptly to avoid further damage.
-
Verify Voltage and Power Supply:
Ensure the motor is connected to the correct voltage (typically 115/230V). Voltage imbalances can reduce motor efficiency or lead to motor failure over time.
-
Inspect Mounting and Alignment:
Verify that the motor is securely mounted and properly aligned with the equipment it drives. Misalignment or loose mounting can cause excess vibration and premature wear.
-
Ensure Proper Ventilation:
As an Open Drip Proof (ODP) motor, ensure it is placed in a well-ventilated environment. This prevents the motor from overheating due to poor airflow.
-
Check Overload Protection:
Make sure the motor is equipped with appropriate overload protection to safeguard against excessive loads and prevent damage.
