DAYTON 3N317D Rpm 3PH 3450/2850 208-220/440V 60HZ

( Brand: Dayton ), ( Manufacturer Part Number: 3N317D ), ( Part Type: Hp ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Unit Type: Unit ), ( Base Rpm: 3450 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Ac Phase: Three Phase ), ( Mounting Type: Base-mounted )

Review DAYTON 3ph Hp 3450/2850 Rpm 208-220/440v 60hz

The Dayton 3N317D is a robust and versatile three-phase induction motor designed for demanding industrial and commercial applications where reliability, efficiency, and durability are paramount. This motor operates at a nominal power output of 3 horsepower (hp), delivering consistent performance across a wide range of mechanical loads while maintaining a compact yet sturdy construction. With a rated speed of 3,450 revolutions per minute (rpm) at full load and a no-load speed of approximately 3,850 rpm, the 3N317D provides a balanced operational range, ensuring optimal performance for applications such as conveyors, pumps, compressors, and industrial machinery where precise speed control and torque are essential. Built to operate seamlessly on either a 208-220 volt or 440 volt single-phase or three-phase power supply at 60 Hz, this motor offers flexibility in electrical integration, making it suitable for diverse electrical infrastructures without compromising efficiency.

The Dayton 3N317D features a robust NEMA Premium efficiency design, which not only reduces energy consumption but also minimizes operational costs over time. Its enclosed, fan-cooled (TEFC) construction ensures protection against dust, dirt, and moisture, making it ideal for environments where exposure to contaminants is a concern. The motor s robust shaft, reinforced bearings, and high-quality insulation provide exceptional longevity, reducing maintenance requirements and downtime. Additionally, the 3N317D is equipped with a standard NEMA C-face mounting configuration, allowing for easy installation and compatibility with a wide range of gearboxes, couplings, and mechanical systems. Whether used in manufacturing plants, HVAC systems, or material handling equipment, this motor delivers dependable performance with minimal vibration and noise, contributing to a smoother and more efficient operational environment. Its compact yet sturdy design also makes it a space-saving solution for applications where footprint is a consideration, while its high starting torque ensures reliable performance even under heavy load conditions. Overall, the Dayton 3N317D is a premium-quality motor that combines durability, efficiency, and versatility to meet the demands of modern industrial applications.

### **Pros and Cons of buying a Dayton 3N317D 3-Phase Motor**

1. **High Power Output** The motor delivers **3,450/2,850 RPM** at **3 horsepower**, making it suitable for demanding applications like industrial machinery, pumps, compressors, and conveyor systems. Its torque and speed balance ensure efficient operation for medium-duty tasks.

2. **Dual Voltage Compatibility** Operates on **208-220V or 440V**, providing flexibility for different electrical setups without requiring significant modifications. This reduces the need for additional voltage conversion equipment.

3. **Reliable Brand Reputation** Dayton is a well-known manufacturer of industrial motors, offering durable, long-lasting components with good after-sales support. Their motors are often used in commercial and light industrial applications, indicating reliability.

4. **Standard NEMA Design** The motor follows **NEMA Premium efficiency standards**, meaning it is energy-efficient and designed for consistent performance under load. This can lead to lower operational costs over time.

5. **Easy Installation and Maintenance** The motor is designed for straightforward integration into existing systems. It includes standard mounting options (e.g., foot or flange mount) and is compatible with common control systems. Maintenance is simplified due to its robust construction and accessible components.

6. **Cost-Effective for Medium-Duty Use** While not the cheapest motor on the market, its **3 HP rating** strikes a balance between performance and affordability for applications that don t require heavy-duty or high-efficiency premium motors.

- **Pumps and water systems** (e.g., irrigation, HVAC)

- **Compressors** (air, refrigeration)

- **Conveyor belts and material handling**

- **Industrial fans and ventilation**

- **Light machinery (e.g., woodworking tools, packaging equipment)**

8. **60Hz Compatibility** Ensures smooth operation in standard North American electrical grids without frequency adjustments.

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1. **Not for Heavy-Duty or Continuous High-Load Applications** At **3 HP**, this motor is best suited for **intermittent or moderate-duty use**. For continuous heavy loads (e.g., large-scale manufacturing, high-capacity pumps), a **4 HP or higher motor** may be necessary to prevent overheating or premature failure.

2. **Limited High-Speed Performance** While the motor operates at **3,450 RPM**, some applications requiring **higher speeds** (e.g., certain types of machinery or precision tools) may need a motor with a higher RPM rating or a gear reduction system.

3. **No Built-In Protection Against Overloads** Unlike some premium motors, the **3N317D does not come with built-in overload protection** (e.g., thermal overload relays). Users must install additional protection devices (e.g., thermal cutouts, overload relays) to prevent damage from sudden overloads or faults.

4. **Standard Efficiency, Not Premium** While it meets **NEMA efficiency standards**, it is not a **Premium Efficiency motor**, meaning it may consume slightly more energy than higher-efficiency models in long-term operation. For energy-sensitive applications, a **Premium Efficiency 3-phase motor** could be more cost-effective over time.

5. **Noise and Vibration Potential** Like many standard motors, it may produce **moderate noise and vibration** during operation, which could be a concern in **quiet environments** (e.g., offices, residential areas). Proper mounting and balancing can mitigate this, but it s something to consider for sensitive applications.

6. **Limited Customization Options** Dayton offers this motor in a **standard configuration**, meaning options for **custom enclosures, special voltage requirements, or unique mounting styles** may require additional ordering or modifications.

7. **Potential for Higher Maintenance Costs Over Time** While durable, **3-phase motors can develop issues** such as bearing wear, winding failures, or brush wear (if applicable). Replacement parts may not always be readily available, and repairs could be costly compared to newer, more advanced models.

- **High humidity or corrosive environments** (unless enclosed in a NEMA-rated housing)

- **Extreme temperatures** (below freezing or above 100 F without cooling)

- **Explosive or flammable atmospheres** (requires special certification like **NEMA 7 or 9**)

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The **Dayton 3N317D 3-phase motor** is a **reliable, cost-effective choice** for **medium-duty industrial, commercial, or light manufacturing applications** where **3 HP of power is sufficient**. It excels in **flexibility (dual voltage), ease of installation, and versatility** for tasks like pumps, compressors, and conveyor systems. However, it is **not ideal for heavy-duty, continuous high-load, or energy-sensitive applications**, where a **higher-efficiency or larger motor** would be more appropriate.

- **Intermittent or moderate use**,

- **Standard electrical setups (208-440V, 60Hz)**, and

- **No extreme environmental conditions**,

this motor is a **solid purchase**. However, if you require **higher efficiency, continuous heavy-duty operation, or special environmental protections**, you may need to consider **premium efficiency motors, larger horsepower ratings, or motors with built-in protections**.

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You need a **3 HP, 3-phase motor** for **moderate-duty applications** (e.g., pumps, compressors, conveyors).

Your setup uses **208-220V or 440V, 60Hz**.

You prioritize **affordability and reliability** over premium efficiency.

You can **add external overload protection** (e.g., thermal relays).

The motor will operate in **standard environmental conditions** (not extreme heat, humidity, or corrosive environments).

You need **continuous heavy-duty operation** (opt for **4 HP or higher**).

Energy efficiency is a **top priority** (choose a **Premium Efficiency motor**).

Your application requires **higher RPMs** (consider a **higher-speed motor or gear reduction**).

The motor will operate in **harsh environments** (look for **NEMA 4X, explosion-proof, or waterproof enclosures**).

You want **built-in overload protection** (some brands offer motors with integrated relays).

The **Dayton 3N317D is a practical, no-frills motor** that delivers **good performance for its price** in the right applications. For most **light to medium industrial uses**, it is a **recommended purchase**, but always **verify your specific load requirements** before committing. If in doubt, consult an **electrical engineer or motor specialist** to ensure compatibility with your system.

Details:

Motor sold as is motor.

part #: 3n317d prices

• $199.20-$333.33

specifications oelemot:

• brand: Dayton
• mpn: 3n317d
• part type: Hp
• reversible/non-reversible: Reversible
• current type: Ac
• nema design letter: Design B
• ac frequency rating: 60 Hz
• unit type: Unit
• base rpm: 3450
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• ac phase: Three Phase
• mounting type: Base-mounted

seller oelemot:

• rating: 0.0%
• # reviews: 0
• city: Milwaukee, Wisconsin

general oelemot:

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

returns oelemot:

• policy: No Returns

shipping oelemot:

offer oelemot:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: January 31, 2026

payments oelemot:

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

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