D1CPM1PH Rpm Cap Start Air Compressor Motor Start/run 3450 115/230VAC

( Brand: U.s. Motors ), ( Manufacturer Part Number: D1CPM1PH ), ( Part Type: Start Hp Cap Compressor Motor )

Review U.S. MOTORS Us.s. Hp Rpm 115/230vac Cap-start/run Air Compressor Motor

The **U.S. D1CPM1PH HP 3450 RPM 115/230VAC Capacitor-Start/Run Air Compressor Motor** is a high-performance, industrial-grade electric motor meticulously engineered for demanding applications in compressed air systems. Designed with precision and durability in mind, this motor delivers reliable, consistent power for a wide range of commercial and light industrial uses, including portable and stationary air compressors, pneumatic tools, and automated machinery. Operating at a robust **3450 RPM**, this single-phase, **115/230VAC** motor ensures efficient energy conversion, balancing speed and torque to optimize airflow and compressor performance without excessive wear or overheating. Its **capacitor-start/run** configuration provides smooth, low-inrush starting power while maintaining steady operation, reducing strain on electrical systems and extending the lifespan of connected equipment. Built with a robust **HP (horsepower) rating**, this motor is engineered to handle continuous duty cycles, making it ideal for applications requiring sustained performance, such as workshops, automotive repair shops, or HVAC systems. The compact yet sturdy design incorporates high-quality materials, including reinforced windings and a sealed rotor, to withstand harsh environments, vibration, and thermal stress. Whether integrated into a portable compressor for on-site use or a stationary unit for industrial settings, this motor ensures dependable power delivery with minimal maintenance, making it a cost-effective solution for professionals who demand efficiency and longevity. Its versatility, paired with a **NEMA Premium -efficient** design, further enhances energy savings and operational reliability, positioning it as a premium choice for those seeking a balance of performance and endurance in their compressed air solutions.

### **Pros and Cons of Buying a U.S. DICPM1PH HP 3450 RPM 115/230VAC Cap-Start/Run Air Compressor Motor**

#### **Pros**

1. **High Power Output (3450 RPM, 1 HP)** Suitable for medium-duty applications, including small workshops, garages, or light industrial tasks. The 1 HP rating provides adequate airflow for basic pneumatic tools like nail guns, impact wrenches, and spray guns.

2. **Dual Voltage (115/230VAC)** Offers flexibility for use in different electrical setups, making it adaptable to both residential and light commercial environments without needing a voltage converter.

3. **Capacitor-Start/Run (CSR) Design** This motor type is energy-efficient compared to older induction motors, as it reduces startup current and improves overall efficiency. It also provides smoother operation and longer lifespan due to better torque control.

4. **Reliable Brand (U.S. DIC)** U.S. DIC (a division of DIC Corporation) is a reputable manufacturer known for producing durable, high-quality motors for industrial and commercial applications. Their motors are often built to last with robust construction.

5. **Compact and Lightweight** At 1 HP, this motor is smaller and easier to install compared to larger industrial models, making it ideal for space-constrained setups.

6. **Low Maintenance** Cap-start/run motors typically require less maintenance than older designs, reducing downtime and repair costs over time.

7. **Compatibility with Standard Compressors** Fits seamlessly with many single-stage and two-stage air compressors, making it a versatile replacement or upgrade option.

8. **Cost-Effective for Small-Scale Use** Priced affordably for its performance, it offers a balance between power and affordability for hobbyists, small businesses, or homeowners.

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#### **Cons**

1. **Limited for Heavy-Duty Work** At 1 HP and 3450 RPM, this motor is not designed for continuous heavy-duty use (e.g., large-scale manufacturing, high-volume pneumatic tools, or commercial air systems). It may struggle with prolonged high-demand tasks, leading to overheating or premature wear.

2. **Noise and Vibration** Like most small air compressors, this motor can generate noticeable noise and vibration during operation, which may be an issue in quiet environments or shared spaces.

3. **Dependence on Compressor Efficiency** The motor s performance is only as good as the compressor it s paired with. If the compressor is inefficient or poorly maintained, the motor may work harder, reducing its lifespan.

4. **Voltage Sensitivity** While it supports both 115V and 230V, improper voltage selection or fluctuations can damage the motor. A stable power supply is essential for longevity.

5. **Limited Lifespan Under Heavy Loads** Continuous operation at maximum capacity (e.g., running a nail gun nonstop) can shorten the motor s lifespan. It s best suited for intermittent or moderate use.

6. **No Built-In Overload Protection** Some cheaper motors lack built-in thermal protection, which could lead to burnout if the compressor jams or the motor overheats. Users may need to install additional safeguards.

7. **Replacement Parts Availability** While U.S. DIC is reliable, finding replacement parts for older or discontinued models can be challenging compared to more widely used brands like TEFC or Siemens.

8. **Not Ideal for Extreme Environments** Exposure to moisture, dust, or extreme temperatures (unless the compressor is sealed) can reduce performance and lifespan. A NEMA-rated enclosure (e.g., NEMA 1 or NEMA 4) would be preferable for harsh conditions.

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### **Conclusion**

The **U.S. DICPM1PH 1 HP, 3450 RPM, 115/230VAC Cap-Start/Run motor** is a solid choice for **light to medium-duty air compressor applications**, particularly for home workshops, small garages, or light commercial use. Its **dual-voltage capability, efficiency, and reliability** make it a practical option for users who need a **versatile, cost-effective motor** without the complexity of larger industrial models.

However, it is **not suitable for heavy-duty, continuous, or high-demand pneumatic systems**. Users should ensure the motor is paired with a **well-maintained compressor** and used within its **rated capacity** to avoid premature failure. If the application involves **frequent heavy use, extreme conditions, or large-scale operations**, a higher horsepower motor (e.g., 2 HP or 3 HP) or a more robust industrial model would be a better long-term investment.

---

### **Recommendation**

- You need a **replacement motor** for a small air compressor (e.g., 20 60 gallon tank).

- Your use is **intermittent or light-duty** (e.g., occasional tool use, DIY projects).

- You require **flexibility with 115V or 230V** power sources.

- You prioritize **affordability and reliability** from a trusted brand.

- You operate the compressor **continuously at high loads** (e.g., running a nail gun for hours daily).

- You need **industrial-grade durability** (e.g., for manufacturing or commercial air systems).

- Your environment is **extremely dusty, wet, or temperature-fluctuating** without proper enclosure protection.

- You require **higher airflow or pressure** (consider a 2 HP motor instead).

- **For heavier use:** A **2 HP or 3 HP cap-start/run motor** (e.g., from TEFC or other industrial brands).

- **For extreme conditions:** A **NEMA 4 or explosion-proof motor** with built-in thermal protection.

- **For energy efficiency:** A **variable frequency drive (VFD)-compatible motor** if you need adjustable speed control.

**Final Verdict:** This motor is a **good mid-range option for casual to light professional users**, but it is **not built for extreme or continuous heavy-duty work**. Always match the motor to your compressor s specifications and operating conditions for optimal performance.

Details:

This unit only includes what is photographed in the listing. Item Air Compressor Motor, Manufacturer Part NumberD1CPM1PH, Motor Application Air Compressor, Design Capacitor-Start/Run, No. USA Motors D1CPM1PH 1 HP 3450 RPM 115/230VAC Cap-Start/Run Air Compressor Motor. Of Speeds1, HP1, Nameplate RPM3,450, voltage 115/230VAC, Hz60 Hz, Full Load Amps9.3 A/4.3 A, Phase Single, Duty Cycle Continuous, Frame56, Motor Service Factor1.25, Thermal Protection Manual, Ins.

When their catalog changes or product offering change, they are left with inventory that can not be moved. Motor Shaft Rotation CW/CCW. Windy City Liquidation is a corporation that helps its clients dispose of unwanted inventory. It is possible to return items.

There are some cosmetic scuffs and scratches throughout the unit. The motor shaft spins when turned by hand. Please view all the pictures before buying. Technical Specs.

Shipping Info: 37 lbs, 12x16x12, 68931424, MSRP:202, The shipping option you are presented for this item was chosen based on appropriate options weight, box dimensions, contents. Please review the entire and technical specifications below for most accurate information on this item. This is a USA Motors air compressor motor.

part #: d1cpm1ph prices

• $69.99-$222.99

specifications momaequ:

• brand: U.s. Motors
• mpn: D1cpm1ph
• part type: Start Hp Cap Compressor Motor

seller momaequ:

• rating: 99.9%
• # reviews: 18559
• city: Oregon, Illinois

general momaequ:

• condition: New Open box
• Industrial Automation Motion Controls > Electric Motors > Definite Purpose Motors

returns momaequ:

• time: 30 Days
• method: Money back
• policy: Returns Accepted
• paid by: Seller

offer momaequ:

• quantity: 2
• started: February 12, 2026
• best offers: True
• availability: In Stock
• sold: 0
• options: Ship-to-home

payments momaequ:

• cash
• wallet: Apple-pay
• other
• credit card: Discover

shipping momaequ:

• transit: 2-6 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• cost: $80.52
• class: Standard
• type: Calculated

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