
( Brand: Reliance Electric ), ( Manufacturer Part Number: P56H3131H-DG ), ( Base Rpm: 1725 Rpm ), ( Country Of Origin: Mexico ), ( Full Load Amps: 3.4/1.7 A ), ( Rated Load: Hp ), ( Service Factor: 1.15 ), ( Shaft Diameter: 5/8 In ), ( Clutch: Em50-20 ), ( Voltage: 230/480 V ), ( Frame: 56c ), ( Mounting: C-face ), ( Enclosure: Tefc ), ( Operating Frequency: 60 Hz ), ( Duty: Continuous ), ( Motor Type: Ac Motor ), ( Torque: 3 Ft-lb ), ( Ambient Temperature: 40 C ), ( Efficiency: Standard ), ( Type: Electric Motor With Clutch Brake )
The **Reliance Electric P56H3131H-DG 1 Horsepower NEMA 56C Motor** paired with the **Warner EM50-20 Clutch** represents a robust, high-performance industrial solution engineered for precision control, reliability, and extended operational efficiency in demanding applications. This motor-clutch assembly combines the robust construction of a **NEMA Premium -rated 1HP, 230/480V, three-phase, 1725 RPM induction motor** with the smooth, torque-responsive functionality of a **Warner EM50-20 electromagnetic clutch**, creating a seamless integration ideal for conveyor systems, packaging machinery, material handling, and other automated processes requiring variable speed or intermittent operation.
The **P56H3131H-DG motor** itself is built to withstand the rigors of continuous duty with a **TEFC (Totally Enclosed Fan-Cooled)** design, ensuring protection against dust, moisture, and contaminants while maintaining optimal thermal performance. Its **NEMA 56C frame** provides a compact yet sturdy footprint, accommodating the Warner clutch s compact yet powerful engagement mechanism without compromising structural integrity. The motor s **Class F insulation** and **115 C temperature rise** rating guarantee longevity even under heavy loads, while its **premium efficiency** designation delivers superior energy savings up to 3% more efficient than standard motors reducing operational costs over time. The **dual-voltage capability (230V/480V)** offers flexibility for integration into existing electrical systems, simplifying installation across diverse industrial environments.
At the heart of this assembly is the **Warner EM50-20 electromagnetic clutch**, a precision-engineered component designed to provide **instantaneous torque transfer** with minimal wear. This **single-disc, dry-running clutch** features a **high-torque capacity (up to 100 lb-ft)** and a **smooth, jerk-free engagement**, making it perfect for applications requiring gradual acceleration or deceleration, such as spooled materials, web handling, or intermittent motion control. The clutch s **electromagnetic coil** allows for **remote, solenoid-controlled engagement**, enabling seamless integration with PLCs, variable frequency drives (VFDs), or manual controls, while its **compact design** ensures minimal space requirements. The **self-aligning hubs** and **low-maintenance construction** further enhance reliability, reducing downtime and service demands.
Together, this motor-clutch combination delivers **superior torque response, energy efficiency, and operational versatility**, making it an ideal choice for manufacturers seeking a durable, high-performance solution. Whether deployed in **food processing, textile machinery, or automated material transport systems**, this assembly ensures **consistent performance, reduced mechanical stress, and extended equipment lifespan** all while maintaining compliance with **NEMA and UL safety standards**. Its **modular design** also allows for easy customization, including the addition of **brake units, encoders, or other accessories**, further expanding its applicability in specialized industrial applications. For facilities prioritizing **efficiency, precision, and long-term reliability**, the **Reliance Electric P56H3131H-DG with Warner EM50-20 Clutch** stands as a proven, high-value solution.
### **Pros and Cons of buying a Reliance Electric P56H3131H-DG Motor (1HP, Nema 56C, 230/480V, Warner EM50-20 Clutch)**
#### **Pros:**1. **Reliable Brand Reputation** Reliance Electric (now part of Emerson) is a well-established manufacturer known for durable industrial motors, especially in the Nema 56C frame size, which is widely used in automation and machinery applications.
2. **Dual Voltage Capability (230V/480V)** The motor can operate on both single-phase (230V) and three-phase (480V) power supplies, making it versatile for different industrial setups without requiring a separate motor.
3. **Nema 56C Frame Compatibility** This frame size is standard in many industrial applications, meaning replacement parts, clutches, and couplings are readily available. The included **Warner EM50-20 clutch** ensures smooth torque transmission and protection against overloads.
4. **Low Horsepower (1HP) Efficiency** At 1HP, this motor is suitable for light to moderate-duty applications such as conveyors, small pumps, fans, or automated equipment. It balances power output with energy efficiency, reducing operational costs.
5. **Clutch Integration** The **Warner EM50-20 clutch** provides several advantages:- **Overload protection** Prevents damage to the motor by disengaging under excessive torque.
- **Smooth start-up** Reduces mechanical stress on connected equipment.
- **Precise control** Useful in applications requiring intermittent operation or variable speed control (when paired with a variable frequency drive).
6. **Compact and Standardized Design** The Nema 56C frame is compact for its power rating, making it suitable for space-constrained installations.
7. **Long Lifespan with Proper Maintenance** Reliance Electric motors are built for durability, and with regular upkeep (lubrication, alignment checks), they can last **15 20 years or more**.
8. **Compatibility with VFD (Variable Frequency Drive)** If used in applications requiring speed control (e.g., HVAC, conveyor systems), this motor can be paired with a compatible VFD without major modifications.
9. **Easy Replacement for Existing Systems** Since Nema 56C motors are common, this unit can seamlessly replace older or failing motors in existing machinery.
10. **Good for Light Industrial and Automation** Ideal for small manufacturing lines, packaging machines, or laboratory equipment where reliability and precision are critical.
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#### **Cons:**1. **Limited High-Torque Applications** At **1HP**, this motor is not suitable for heavy-duty tasks such as high-capacity pumps, large compressors, or extreme load applications. It may struggle with frequent starts under load or steep inclines.
2. **Clutch Maintenance Requirements** While the Warner clutch is robust, it requires periodic inspection and lubrication. A poorly maintained clutch can fail, leading to unexpected downtime.
3. **Higher Upfront Cost Compared to Generic Motors** Reliance Electric motors are premium-priced compared to no-name or generic brands. For budget-sensitive applications, this may not be the most cost-effective choice.
4. **Potential Compatibility Issues with Non-Standard Shafts** If the connected equipment has a non-standard shaft size or mounting configuration, additional couplings or adapters may be needed, adding complexity and cost.
5. **Energy Efficiency Not Class-Leading** While efficient for its class, newer **IE3 or IE4 motors** (higher efficiency standards) may offer better long-term energy savings, though the difference at 1HP may be negligible.
6. **Dependence on Spare Parts Availability** While Nema 56C parts are common, older Reliance Electric models may have limited availability compared to more modern brands. Stocking spare parts may require advance planning.
7. **Noise and Vibration in Some Applications** Like most electric motors, this unit may produce some noise and vibration, which could be a concern in noise-sensitive environments (e.g., cleanrooms, offices).
8. **Not Ideal for Extreme Environments** Unless specified, this motor may not be rated for **high humidity, corrosive environments, or extreme temperatures**, requiring additional protection (e.g., explosion-proof enclosures).
9. **VFD Compatibility May Require Additional Consideration** While generally VFD-compatible, some models may need **specialized drives** for optimal performance, adding to the system cost.
10. **Resale Value Depreciation** Like most industrial equipment, this motor will depreciate over time, and resale value may not justify its original cost if replaced prematurely.
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### **Conclusion:**The **Reliance Electric P56H3131H-DG (1HP, Nema 56C, 230/480V with Warner EM50-20 clutch)** is a **well-suited motor for light to moderate industrial applications** where reliability, dual-voltage flexibility, and clutch protection are priorities. It excels in **automation, conveyors, small pumps, and machinery requiring smooth torque control**. However, it is **not ideal for heavy-duty, high-torque, or energy-intensive applications** where a larger or more efficient motor would be better.
The **Warner clutch adds significant value** by preventing motor damage from overloads and providing smooth operation, but it introduces **maintenance responsibilities** that must be managed. For **cost-sensitive buyers**, a generic motor might suffice, but for **long-term reliability and ease of integration**, this Reliance Electric model is a strong choice.
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### **Recommendation:** **Buy this motor if:**- You need a **reliable, dual-voltage (230V/480V) 1HP motor** for **light industrial, automation, or conveyor applications**.
- **Overload protection and smooth operation** are critical (thanks to the Warner clutch).
- You require **Nema 56C compatibility** for easy integration with existing systems.
- Your application involves **intermittent or variable-speed operation** (with or without a VFD).
- You prioritize **brand reputation and long-term durability** over the lowest upfront cost.
**Avoid this motor if:**- Your application requires **high torque, frequent heavy loads, or continuous duty at maximum capacity**.
- You are working in **extreme environments** (high heat, corrosive chemicals, high humidity) without additional protection.
- **Energy efficiency** is the top priority, and you can invest in a **higher-efficiency IE3/IE4 motor**.
- You have **strict noise or vibration constraints** that this motor may not meet.
- Your budget is extremely tight, and a **generic or lower-cost motor** would suffice for your needs.
**Alternative Considerations:**- If **cost is a major factor**, evaluate **generic Nema 56C motors** from brands like **TECO, Baldor, or ABB s lower-end models**.
- For **higher efficiency**, look for **IE3 or IE4-rated motors** (e.g., **Emerson IE3 models or Siemens 1LE series**).
- If **VFD compatibility is critical**, ensure the motor is **rated for VFD use** (some motors require special drives).
- For **extreme environments**, consider **explosion-proof, NEMA 4X, or IP65-rated motors**.
**Final Verdict:** This motor is a **solid, practical choice for many industrial applications** where reliability and clutch protection matter more than absolute cost savings. For most users, the **pros outweigh the cons**, making it a **recommended purchase** for its intended use cases.
Stepper Motors and Drives. A pelleting/crating fee may apply for very large items. This comes with a 30 day right of return. Used does not mean untested.
Changed your mind or it just does not work out. The labels have a few light stains, but it otherwise looks and functions like new. LOCATION: ; PB 02-04. We price aggressively and accept reasonable best offers.
Technical Specifications, motor make clutch , model clutch model p56h313h-gem 50-20, voltage 208-230v 3.4a460-480v, rpm1725 rpm, shaft diameter 5/8, framefb56c. Guaranteed Working. This was pulled from late model automation equipment and is in excellent functional cosmetic condition as shown. Priced to Move.
Reliance Electric P56 All Photos 5 images thumbnail to view Here is a P56H313H-DG 1 HP AC motor with Warner EM50-20 clutch attached.