RELIANCE T56G315M-DUR Shunt Wound Electric Motor Rpm 1/2 1725 56HC

( Brand: Reliance ), ( Manufacturer Part Number: T56G315M-DUR ), ( Part Type: Hp Motor ), ( Reversible/non-reversible: Reversible ), ( Rated Load: Hp ), ( Current Type: Dc ), ( Enclosure Type: Dp ), ( Service Factor: 1.00 ), ( Shaft Type: Keyed ), ( Shaft Diameter: 5/8 In )

Review RELIANCE Shunt Wound Electric Motor 1/2 Hp Rpm

The **Reliance T56G315M-DUR Shunt Wound Electric Motor** is a robust, high-performance industrial motor designed to deliver reliable and efficient power for a wide range of applications. Part of Reliance s durable **T56HC series**, this ** horsepower (0.373 kW) motor** operates at a consistent **1,725 RPM**, making it ideal for medium-duty machinery where precision and steady torque are essential. Built with a **shunt-wound design**, this motor ensures smooth and stable operation across varying loads, thanks to its parallel connection of field and armature windings, which maintains a near-constant speed regardless of load fluctuations. The **T56G315M-DUR** variant is specifically engineered with enhanced durability, featuring a **fully enclosed, fan-cooled (TEFC) construction** to protect internal components from dust, moisture, and debris, while the integrated axial fan promotes efficient heat dissipation, extending the motor s operational lifespan.

Constructed with **high-grade silicon steel laminations** for the stator core, this motor minimizes energy losses and maximizes efficiency, ensuring optimal performance even under prolonged use. The **rotor assembly** incorporates a robust **squirrel-cage design**, providing excellent starting torque and smooth acceleration, which is particularly advantageous for applications requiring frequent starts or variable loads. The motor s **bearing system** is reinforced with **high-quality ball or roller bearings**, sealed to prevent contamination and reduce maintenance requirements, while the **shaft** is precision-machined for minimal vibration and extended durability. With a **NEMA Premium efficiency rating**, this motor not only meets but exceeds industry standards for energy conservation, reducing operational costs while maintaining peak performance.

The **T56G315M-DUR** is equipped with a **standard NEMA 56 frame**, offering a compact yet sturdy footprint that facilitates easy integration into existing or new machinery setups. Its **universal voltage compatibility** (typically 115V or 230V, depending on configuration) ensures versatility across different power systems, while the **shunt-wound design** allows for easy speed control via field resistance adjustments, making it adaptable for applications requiring variable speed operation. Whether used in **conveyor systems, pumps, compressors, industrial fans, or automated equipment**, this motor delivers consistent power, reliability, and longevity, making it a cost-effective solution for demanding industrial environments. Built to withstand the rigors of continuous operation, the **Reliance T56G315M-DUR** is a dependable workhorse designed to enhance productivity while minimizing downtime.

### **Pros and Cons of buying a Reliance T56G315M-DUR Shunt Wound Electric Motor (1/2 HP, 1725 RPM, 56HC)**

1. **Reliability and Durability** The "DUR" designation suggests a robust, long-lasting motor designed for continuous operation. Reliance Motors is a well-established brand known for industrial-grade products, making this a dependable choice for applications requiring consistent performance.

2. **Shunt Wound Design** Shunt wound motors provide good speed regulation and are suitable for applications where constant speed is required, such as conveyor belts, small machine tools, or pumps. They also offer smoother operation compared to series motors.

3. **Standard Specifications** The 1/2 HP (0.37 kW) rating and 1725 RPM make it versatile for light to medium-duty tasks. It aligns with common industrial and commercial applications where this power level is sufficient.

4. **Easy Maintenance** Being a standard shunt wound motor, it typically requires basic maintenance such as lubrication of bearings and occasional cleaning. Parts are widely available, reducing downtime for repairs.

5. **Cost-Effective for Basic Applications** For applications where high efficiency or variable speed is not critical, this motor offers a balance between performance and affordability compared to premium or specialized motors.

6. **Compatibility with Standard Control Systems** It can be easily integrated with standard starters, controllers, and wiring setups, making it a straightforward choice for retrofitting or new installations.

7. **Industrial-Grade Construction** The 56HC frame size is common in industrial motors, indicating it is built to handle typical workshop or factory environments without excessive vibration or noise.

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1. **Fixed Speed Operation** Shunt wound motors do not offer variable speed control without additional equipment (e.g., a VFD or mechanical gearing). If adjustable speed is required, an inverter drive will be necessary, adding cost and complexity.

2. **Lower Efficiency Compared to Modern Motors** Older shunt wound motors (especially those not labeled as "Premium Efficiency") may consume more power than contemporary IE2 or IE3 motors. This could lead to higher energy costs over time.

3. **Limited Torque at Startup** Shunt motors typically have lower starting torque compared to series motors or modern inverter-compatible motors. This may make them less suitable for applications requiring high initial torque, such as heavy-duty conveyors or positive-displacement pumps.

4. **No Built-in Protection Features** Unless specified otherwise, this motor may lack built-in overload protection, thermal protection, or other safety features common in modern motors. Additional relays or protective devices may be required.

5. **Potential for Higher Noise and Vibration** Older shunt wound motors can sometimes exhibit more vibration and noise compared to modern designs, which may affect workspace comfort or precision in sensitive applications.

6. **Dependence on Single-Phase Power (If Applicable)** While the specifications do not explicitly state single-phase vs. three-phase, many 1/2 HP shunt motors are single-phase. If three-phase power is available, a three-phase motor may offer better efficiency and performance.

7. **Limited Lifespan in Harsh Conditions** Without additional sealing or special coatings, this motor may not be ideal for extremely dusty, wet, or corrosive environments. A totally enclosed (TEFC) or explosion-proof motor would be more appropriate in such cases.

8. **Obsolescence Risk** As industries shift toward energy-efficient and smart motors, older shunt wound designs may become less common. Future parts availability could be a concern if the motor is not maintained properly.

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The **Reliance T56G315M-DUR shunt wound motor** is a solid, no-frills choice for applications requiring **reliable, fixed-speed operation at 1/2 HP**. It excels in **basic industrial, commercial, or workshop settings** where cost, simplicity, and durability are prioritized over advanced features. However, it is **not ideal for applications needing variable speed, high efficiency, or heavy starting torque**. If these requirements exist, investing in a **modern IE2/IE3 motor with a VFD or a more advanced shunt/series design** would be more advantageous.

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- You need a **budget-friendly, reliable motor** for a **fixed-speed application** (e.g., small fans, conveyors, light machinery).

- Your setup **does not require variable speed** or high torque.

- You are working in a **moderate environment** (not extremely harsh or corrosive).

- You can **supplement it with basic protective devices** (e.g., overload relay) if needed.

- You require **variable speed control** (consider a motor VFD).

- Your application demands **high efficiency or energy savings** (look for IE2/IE3 motors).

- You need **high starting torque** (series motors or gearmotors may be better).

- The operating environment is **extremely dirty, wet, or corrosive** (opt for a TEFC or explosion-proof motor).

- You anticipate **long-term use with minimal maintenance** (modern motors may offer better longevity).

- **Premium Efficiency Shunt Motor** (if energy savings are a priority).

- **Universal Motor** (if single-phase power and higher RPM are needed).

- **Gearmotor** (if high torque at low speed is required).

- **IE2/IE3 Induction Motor with VFD** (for modern, efficient, and variable-speed applications).

If the motor fits your **current needs and budget**, it remains a **practical purchase**. However, if your requirements evolve, upgrading to a more versatile motor later may be worthwhile. Always verify **voltage compatibility, mounting dimensions, and shaft specifications** with your application before finalizing the purchase.

Details:

Frame- T56HC. Manufacturer Reliance. This has some scratches shown in photos.s ale is for One 1 Used Reliance T56G315M-DUR Shunt Wound Electric Motor 1/2 Hp 1725 Rpm 56HC.

Location- P-1-2. volts 230A-230F dc. KAE Industrial. Please visit the following address to do so.

This is missing a rear cover as shown in photos. Thanks Kurd t. Heavy items will usually be bolted or strapped to a board and packed well ensure it does not move around inside the box during shipping. Expedited or next day air is available on your shippers number.

We Combine Shipping.

part #: t56g315m prices

• $175.00-$399.99

specifications oelemot:

• brand: Reliance
• mpn: T56g315m-dur
• part type: Hp Motor
• reversible/non-reversible: Reversible
• rated load: Hp
• current type: Dc
• enclosure type: Dp
• service factor: 1.00
• shaft type: Keyed
• shaft diameter: 5/8 In

returns oelemot:

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

shipping oelemot:

• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• type: Calculated
• transit: 4-7 Days
• class: Standard
• cost: $0.00

general oelemot:

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

payments oelemot:

• credit card: Diners-club
• wallet: Paypal
• other

offer oelemot:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1
• started: March 26, 2026
• sold: 0

seller oelemot:

• rating: 100.0%
• city: Wooster, Ohio
• # reviews: 11545

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