NIDEC U34P2DCR Phase Motor Rpm Shaft HU09 0.75 1765/1455 5/8

( Brand: Nidec ), ( Manufacturer Part Number: U34P2DCR ), ( Model: HU09 ), ( Part Type: Hp Motor Shaft ), ( Rated Load: Hp ), ( Ac Frequency Rating: 50/60 Hz ), ( Enclosure Type: Tefc ), ( Shaft Type: Keyed ), ( Shaft Diameter: 5/8 In ), ( Insulation Class: F ), ( Current Type: Ac ), ( Service Factor: 1.25 ), ( Ac Phase: Three Phase ), ( Country Of Origin: Mexico )

Review NIDEC Phase Motor 0.75 Hp 1765/1455 Rpm 5/8 Inch Shaft Dia

The **Nidec U34P2DCR Phase Motor (Model: U34P2DCR, Part Number: HU09)** is a high-performance, single-phase induction motor designed for reliability, efficiency, and versatility in a wide range of industrial, commercial, and residential applications. Engineered with precision by Nidec, a global leader in motor technology, this motor delivers a robust **0.75 horsepower (HP)** output, making it ideal for medium-duty tasks such as HVAC systems, compressors, pumps, conveyors, and small industrial machinery. Its compact yet durable construction ensures seamless integration into existing systems while maintaining operational excellence over extended periods.

This motor operates at a nominal **1765 RPM (Rated Speed)** at full load and a slightly higher **1455 RPM (No-Load Speed)**, providing optimal torque and speed control for applications requiring consistent performance. The **5/8-inch shaft diameter** offers a balanced strength-to-size ratio, ensuring compatibility with standard mechanical couplings and drive systems without compromising structural integrity. Built with Nidec s advanced **phase-wound induction design**, the motor features a high-efficiency winding configuration that minimizes energy loss, reduces heat generation, and extends the lifespan of both the motor and connected equipment.

The **U34P2DCR** is equipped with a **cast iron endbell and frame**, providing superior resistance to vibration, shock, and environmental stressors, while its **drip-proof (Drip-Proof IP23-rated)** enclosure offers protection against dust, dirt, and light splashes, making it suitable for indoor and lightly exposed outdoor installations. The motor s **bearing assembly** incorporates high-quality sealed ball bearings, ensuring smooth operation, reduced friction, and extended maintenance intervals. Additionally, its **capacitor-start, capacitor-run (CSCR) configuration** allows for efficient starting torque while maintaining steady performance during runtime, reducing energy consumption and operational strain.

With a **NEMA Premium efficiency rating**, this motor adheres to stringent energy-saving standards, helping to lower operational costs and reduce carbon emissions making it an environmentally conscious choice for sustainability-driven applications. The **U34P2DCR** is also designed with **low noise and vibration levels**, contributing to quieter operation and reduced wear on connected machinery. Whether used in air handling units, refrigeration systems, or light industrial automation, this motor combines reliability, efficiency, and durability to meet the demands of modern applications with ease.

Backed by Nidec s reputation for innovation and quality, the **Nidec U34P2DCR Phase Motor** represents a dependable investment for businesses seeking a balance of performance, longevity, and cost-effectiveness. Its modular design allows for easy installation and maintenance, while its adaptability to various voltage and frequency standards ensures global compatibility. For applications requiring a dependable, high-performance motor without unnecessary complexity, the **U34P2DCR** stands as a superior choice delivering consistent power, operational resilience, and long-term value.

### **Pros and Cons of buying a Nidec U34P2DCR Phase Motor (0.75 HP, 1765/1455 RPM, 5/8 Shaft)**

1. **Reliable Brand (Nidec)** Nidec is a well-established manufacturer known for producing high-quality motors with durable construction. Their motors are widely used in industrial and commercial applications, ensuring reliability and longevity.

2. **Energy Efficiency** As a phase motor (likely a single-phase induction motor), it is designed to be energy-efficient compared to older motor technologies, helping reduce operational costs over time.

3. **Dual Voltage & Speed Options** The motor operates at **1765 RPM at 115V** and **1455 RPM at 230V**, making it versatile for different voltage systems without requiring significant modifications.

4. **Standard Shaft Size (5/8")** The 5/8-inch shaft is a common industrial standard, making it easier to integrate with existing equipment or find compatible couplings and pulleys.

5. **Compact & Lightweight** At **0.75 HP**, this motor is suitable for medium-duty applications where space and weight are considerations, such as in HVAC systems, small conveyors, or pumps.

6. **Low Maintenance** Phase motors are generally low-maintenance, requiring only periodic lubrication (if applicable) and basic electrical checks.

7. **Cost-Effective for Mid-Range Applications** While not the cheapest motor available, it offers a good balance between performance and price for general industrial use.

8. **Compatibility with Variable Frequency Drives (VFDs)** If retrofitting with a VFD, this motor can be controlled for variable speed applications, increasing its flexibility.

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1. **Single-Phase Limitations** Unlike three-phase motors, single-phase motors (such as this one) may have slightly lower efficiency and torque at startup. They also require a capacitor (if not already built-in) for proper operation, which can add complexity.

2. **Higher Initial Cost Than Basic Motors** While not excessively expensive, it is more costly than very basic fractional HP motors, which may be overkill for very light-duty tasks.

3. **Potential for Overheating in Heavy Loads** At **0.75 HP**, this motor may struggle with continuous heavy loads or extreme duty cycles without proper cooling or oversizing.

4. **Dependence on Voltage Stability** Single-phase motors are sensitive to voltage fluctuations. If the power supply is unstable, the motor may run inefficiently or fail prematurely.

5. **Limited Lifespan Compared to Premium Motors** While durable, it may not match the longevity of high-end motors (e.g., TEFC or explosion-proof models) in harsh environments.

6. **No Built-In Protection (Unless Specified)** Unless explicitly stated, this motor may lack built-in overload protection, thermal cutouts, or explosion-proof certification, which could be a concern in certain industrial settings.

7. **Sourcing & Availability** While Nidec is reliable, finding replacement parts or exact matches for this specific model may be easier in some regions than others.

8. **Noise & Vibration** Like most induction motors, it may produce some noise and vibration, which could be an issue in noise-sensitive applications.

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The **Nidec U34P2DCR 0.75 HP single-phase motor** is a solid choice for **medium-duty industrial, commercial, or light manufacturing applications** where reliability, dual-voltage compatibility, and standard shaft size are priorities. It strikes a good balance between performance and cost for general use, particularly in **HVAC systems, small conveyors, pumps, or fans**.

However, if the application involves **heavy continuous loads, extreme environments, or requires precise speed control**, a **three-phase motor or a higher-quality single-phase motor with built-in protections** may be more suitable. Additionally, if **startup torque is critical** (e.g., in high-inertia loads), a motor with a permanent split capacitor (PSC) or shaded-pole design might perform better.

For most **standard applications where efficiency, dual-voltage operation, and Nidec s reputation matter**, this motor is a **recommended purchase**. If budget allows, consider checking for **TEFC (totally enclosed fan-cooled) or explosion-proof variants** of similar HP ratings for added durability in harsh conditions.

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- You need a **reliable, dual-voltage (115V/230V) single-phase motor** for general industrial use.

- Your application involves **moderate loads** (e.g., fans, small conveyors, pumps).

- You prefer a **well-known brand (Nidec)** with good availability of parts.

- The **5/8" shaft** matches your existing equipment.

- Your application requires **high torque at startup** (e.g., compressors, heavy machinery).

- You operate in **extreme temperatures, dusty, or wet environments** (a TEFC or explosion-proof motor may be better).

- You need **precise speed control** (a three-phase motor with a VFD would be ideal).

- You are on a **tight budget** and can find a similarly rated motor at a lower cost (though reliability may suffer).

Overall, this motor is a **good mid-range option** for most standard applications where cost, efficiency, and brand reputation are key factors.

Details:

Motor, For sale is a Nidec U34P2DCR 3 Phase Motor HU09 0.75 HP 1765/1455 RPM 5/8 Shaft Dia. Will come as shown and with what is pictured. Etch Surplus Rochester, NY, Shipping: Charged according to location. Item appears used and in good condition.

May show minor imperfections but nothing that will impact performance.

part #: u34p2dcr prices

• $299.99-$599.99

specifications oelemot:

• brand: Nidec
• mpn: U34p2dcr
• model: Hu09
• part type: Hp Motor Shaft
• rated load: Hp
• ac frequency rating: 50/60 Hz
• enclosure type: Tefc
• shaft type: Keyed
• shaft diameter: 5/8 In
• insulation class: F
• current type: Ac
• service factor: 1.25
• ac phase: Three Phase
• country of origin: Mexico

shipping oelemot:

• type: Calculated
• cost: $32.94
• transit: 2-5 Days
• carrier: FedEx
• class: Standard, Expedited, One-day
• service: FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight, FedEx Priority Overnight

returns oelemot:

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

seller oelemot:

• city: Rochester, New York
• # reviews: 13747
• rating: 100.0%

payments oelemot:

• wallet: Paypal
• other
• credit card: Discover

general oelemot:

• condition: Used
• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

offer oelemot:

• sold: 0
• quantity: 1
• availability: In Stock
• started: February 5, 2026
• options: Ship-to-home

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