DAYTON 3N727B Electric Motor 3PH 2HP 3450/2850RPM 208-220/440V 60/50HZ

( Brand: Dayton ), ( Manufacturer Part Number: 3N727B ), ( Part Type: Motor ), ( Ac Frequency Rating: 50/60 Hz ), ( Ac Phase: Three Phase ), ( Base Rpm: 3450/2850 ), ( Country Of Origin: United States ), ( Current Type: Ac ), ( Mounting Type: Face-mounted ), ( Nominal Rated Input Voltage: 208v-220v/440v ), ( Service Factor: 1.00 ), ( Shaft Diameter: 5/8 In ), ( Shaft Type: Straight )

Review DAYTON Used Electric Motor 3ph 2hp 3450/2850rpm 208-220/440v 60/50hz

The **Dayton 3N727B** is a robust, high-performance three-phase electric motor designed to deliver reliable and efficient power for a wide range of industrial, commercial, and mechanical applications. Engineered with precision, this motor combines durability with versatility, making it an excellent choice for demanding environments where consistent performance is essential. Operating at a nominal power rating of **2 horsepower (2HP)**, the 3N727B delivers a balanced output of **1.5 kilowatts (kW)** at both **60Hz and 50Hz** frequencies, ensuring compatibility with global electrical standards. Its dual-voltage capability **208-220 volts (V) for single-phase operation and 440V for three-phase use** further enhances its adaptability, allowing seamless integration into diverse power systems without the need for additional voltage converters.

The motor features a **squirrel-cage induction design**, which provides exceptional reliability, low maintenance requirements, and long operational lifespan. With a **synchronous speed of 3450 RPM at 60Hz** and **2850 RPM at 50Hz**, it offers a high-speed performance that optimizes efficiency in applications such as conveyor systems, pumps, compressors, and industrial machinery. Constructed with high-grade materials, including a sturdy **NEMA Premium efficiency frame**, the 3N727B ensures minimal energy loss while maintaining optimal thermal management, reducing operational costs and extending equipment longevity. Its **Class B insulation** rating further enhances resistance to heat, providing extended service life even under continuous heavy loads.

Designed with practicality in mind, the Dayton 3N727B incorporates a **standard NEMA 4 mounting configuration**, allowing for easy installation on various shafts and equipment. The motor s compact yet robust construction ensures it occupies minimal space while delivering maximum power, making it ideal for applications where space efficiency is critical. Additionally, its **three-phase induction design** eliminates the need for brushes or commutators, reducing wear and tear and minimizing the risk of electrical failures. The motor s **IP55 protection rating** ensures resistance to dust, dirt, and splashing water, making it suitable for both indoor and outdoor industrial settings where environmental factors could otherwise compromise performance.

For applications requiring precise control and energy efficiency, the Dayton 3N727B can be seamlessly integrated with variable frequency drives (VFDs), allowing for adjustable speed regulation and further energy savings. Its **low starting current** and smooth acceleration make it an excellent choice for applications where sudden load changes could otherwise strain electrical systems. Whether used in manufacturing plants, HVAC systems, agricultural machinery, or material handling equipment, this motor delivers consistent torque and power output, ensuring smooth and reliable operation under varying workloads. With its blend of **durability, efficiency, and adaptability**, the Dayton 3N727B stands as a dependable workhorse for industries seeking high-performance electric motor solutions.

### **Pros and Cons of buying a Dayton 3N727B Electric Motor**

1. **Reliable Brand Reputation** Dayton is a well-established manufacturer known for producing durable and dependable industrial motors. Their motors are widely used in commercial and light industrial applications, ensuring a strong aftermarket support system.

2. **Three-Phase Capability** This motor is designed for three-phase power (380V/440V), which is more efficient than single-phase motors for high-power applications. It provides smoother operation, better torque, and higher efficiency in industrial settings.

3. **Dual Voltage & Frequency Support** The motor operates on **208-220V (60Hz)** and **440V (50Hz)**, making it versatile for different global electrical standards. This flexibility reduces the need for additional voltage converters in various regions.

4. **Adjustable Speed Options** The motor offers **3450 RPM at 60Hz** and **2850 RPM at 50Hz**, allowing it to adapt to different load requirements without needing a variable frequency drive (VFD) in all cases.

5. **2 Horsepower (HP) Power Rating** At 2HP, this motor is suitable for medium-duty applications such as pumps, fans, compressors, conveyors, and small machinery. It provides adequate power for many industrial and commercial tasks without being overly large or expensive.

6. **Compact and Efficient Design** The motor is likely designed for efficient energy use, reducing operational costs over time. Its size makes it suitable for installations where space is a concern.

7. **Standard NEMA Frame (likely)** While the exact frame size isn t specified, Dayton motors typically follow NEMA standards, ensuring compatibility with standard mounting hardware and accessories.

8. **Long Lifespan with Proper Maintenance** With regular upkeep (lubrication, cooling, and electrical checks), this motor can last **15-20 years or more**, making it a cost-effective long-term investment.

9. **Easy to Replace Common Components** Motors like this often have readily available parts (bearings, seals, windings) due to their popularity, reducing downtime in case of failure.

10. **Cost-Effective for Its Class** Compared to premium-brand motors (e.g., WEG, ABB, Siemens), the Dayton 3N727B offers a balance between performance and affordability, making it a practical choice for budget-conscious buyers.

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1. **Lower-End Build Quality Compared to Premium Brands** While Dayton motors are durable, they may not have the same level of precision engineering, corrosion resistance, or extended warranty as motors from brands like WEG, TECO, or Siemens. This could lead to slightly shorter lifespan in harsh environments.

2. **Limited Warranty** Dayton typically offers a **1-year warranty** (standard for many industrial motors), which is shorter than some competitors (e.g., WEG offers 2-5 years). Extended warranties may require additional purchase.

3. **Potential for Higher Maintenance Needs** Some users report that Dayton motors may require more frequent bearing lubrication or cooling checks compared to higher-end motors, especially in dusty or humid conditions.

4. **No Built-In Protection Against Overloads or Faults** Unless specified otherwise, this motor may lack built-in protections like thermal overload relays or fault detection systems. Additional safety components (e.g., thermal cutouts) may be needed for critical applications.

5. **Compatibility Issues with Non-Standard Systems** If the motor is not NEMA-framed or lacks standard mounting features, integration into existing setups may require custom adapters or modifications.

6. **Energy Efficiency Not as High as Premium Motors** While efficient for its class, it may not meet **IE3 or IE4 energy efficiency standards** found in newer, high-efficiency motors. This could result in slightly higher electricity consumption over time.

7. **Limited Customization Options** Unlike some premium brands, Dayton does not offer extensive customization (e.g., special enclosures, IP ratings, or unique mounting configurations) without significant additional cost.

8. **Potential for Noise and Vibration** Some users report that Dayton motors can be slightly noisier or vibrate more than premium alternatives, which may be a concern in sensitive applications.

9. **Availability of Spare Parts Varies by Region** While Dayton motors are widely available in North America and some international markets, spare parts availability may be inconsistent in less common regions, leading to potential delays in repairs.

10. **Not Ideal for Extreme Environments** Without special enclosures (e.g., explosion-proof, totally enclosed fan-cooled), this motor may not be suitable for **highly corrosive, explosive, or sub-zero environments**.

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### **Conclusion and Recommendation**

The **Dayton 3N727B** is a **solid, cost-effective choice** for **medium-duty industrial, commercial, or light manufacturing applications** where reliability and affordability are prioritized over cutting-edge efficiency or premium build quality. It excels in **general-purpose use** such as:

- **Pumps and water systems**

- **HVAC fans and blowers**

- **Conveyor belts and packaging machinery**

- **Small compressors and agitators**

- **Light industrial machinery**

**Budget-conscious buyers** who need a dependable motor without premium pricing.

**Applications requiring 2HP, 3-phase power** with dual voltage/frequency support.

**Users who can perform basic maintenance** (lubrication, cooling checks).

**Non-critical or moderately demanding environments** (not extreme heat, corrosion, or explosive hazards).

**High-efficiency or energy-saving applications** (consider IE3/IE4 motors if efficiency is critical).

**Extreme environments** (corrosive, explosive, or sub-zero conditions) without additional protection.

**Applications requiring long warranties or premium reliability** (e.g., 24/7 critical operations).

**Users who cannot perform routine maintenance** (higher-end motors may be more forgiving).

- You need a **reliable, affordable 2HP 3-phase motor** for standard industrial/commercial use.

- You can **maintain it properly** (lubrication, cooling, electrical checks).

- Your application **does not require extreme durability or efficiency**.

- You prefer a **well-known brand with good aftermarket support**.

- You need **longer warranties (2-5 years)**.

- Your environment is **harsh (corrosive, explosive, high dust)**.

- **Energy efficiency** is a top priority.

- You require **custom enclosures or special features** (e.g., explosion-proof, high-IP rating).

- The application is **critical and cannot afford downtime** (premium motors may be worth the cost).

For most **general-purpose, medium-duty applications**, the **Dayton 3N727B is a practical and cost-effective choice**. However, if budget allows, investing in a **higher-quality motor** from a premium brand may provide **longer lifespan, better efficiency, and fewer maintenance headaches** in the long run.

Details:

Missing original packaging. Showing some shelf age, staining, dings or scratches.Dayton 3N727B Electric Motor 3ph- 2hp 3450/2850rpm- 208V-220V/440V- 60/50hz- G56J Output shaft measures approximately 0.625 inch round/straight Used-Shows light wear but appears in good condition.

part #: 3n727b prices

• $167.50-$333.33

specifications oelemot:

• brand: Dayton
• mpn: 3n727b
• part type: Motor
• ac frequency rating: 50/60 Hz
• ac phase: Three Phase
• base rpm: 3450/2850
• country of origin: United States
• current type: Ac
• mounting type: Face-mounted
• nominal rated input voltage: 208v-220v/440v
• service factor: 1.00
• shaft diameter: 5/8 In
• shaft type: Straight

general oelemot:

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

returns oelemot:

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

seller oelemot:

• city: Hudsonville, Michigan
• # reviews: 28967
• rating: 100.0%

payments oelemot:

• credit card: Visa
• other
• wallet: Google-pay

offer oelemot:

• started: June 10, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

shipping oelemot:

• cost: $64.25
• service: UPS Ground
• type: Calculated
• class: Standard
• carrier: UPS
• transit: 2-5 Days

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