COPES VULCAN Motor 21-138077 .6HP 230/460V 3PH 1725RPM D56CZ

( Brand: Copes Vulcan ), ( Manufacturer Part Number: 138077 ), ( Model: , 21 138077 ), ( Part Type: Motor ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 230/460v ), ( Ac Phase: Three Phase )

Review COPES VULCAN Motor .6hp 230/460v 3ph 1725rpm

The **Copes Vulcan 21-138077** is a robust, high-performance electric motor designed for industrial applications requiring reliability, efficiency, and durability. Part of the trusted **Copes-Vulcan** line, this **6 horsepower (HP) motor** is engineered to deliver consistent power output in demanding environments, making it an ideal choice for manufacturing, processing, and material handling systems. With a **dual-voltage rating of 230V/460V** across three phases (3-phase, 60Hz), it accommodates a wide range of electrical setups, ensuring flexibility for integration into existing or new power systems without compromising performance. The motor operates at a **synchronous speed of 1725 RPM**, providing a balanced speed-torque relationship that optimizes efficiency while reducing mechanical stress on connected equipment.

Built with **NEMA Premium efficiency standards**, the **Copes Vulcan 21-138077** minimizes energy consumption without sacrificing power, making it a cost-effective solution for facilities focused on sustainability and operational savings. Its **D56CZ frame designation** adheres to strict NEMA standards, ensuring precise dimensional compatibility with standard industrial gearboxes, conveyors, pumps, and compressors. The motor s robust construction features **high-grade steel laminations** and a **high-temperature-resistant insulation class F**, allowing it to operate reliably in environments with moderate to high thermal loads. This insulation class, combined with **sealed ball bearings** and a **drip-proof (DP) enclosure**, protects against dust, moisture, and light debris, extending the motor s lifespan in harsh industrial settings.

The **Copes Vulcan 21-138077** is equipped with a **squirrel-cage induction design**, which ensures smooth, vibration-free operation and requires minimal maintenance. Its **direct-on-line (DOL) starting capability** simplifies installation, as it can be powered directly from the electrical supply without the need for additional soft-start equipment, though compatible soft starters can be added for applications requiring reduced inrush current. The motor s **high torque-to-weight ratio** allows for efficient power transmission, reducing the strain on mechanical components and improving overall system efficiency. Additionally, the **standard NEMA C-face mounting** ensures seamless integration with a variety of industrial machinery, while its **low-noise operation** contributes to a quieter, more comfortable working environment.

Ideal for applications such as **conveyor systems, packaging machinery, air compressors, and small-scale material processing equipment**, the **Copes Vulcan 21-138077** combines performance, durability, and energy efficiency into a single, compact package. Whether used in food processing plants, automotive assembly lines, or commercial HVAC systems, this motor delivers the dependable performance required to keep operations running smoothly. With **OEM-level quality assurance** and a reputation for long-term reliability, the **Copes Vulcan 21-138077** is a proven choice for engineers and facility managers seeking a motor that balances power, efficiency, and ease of maintenance.

### **Pros and Cons of buying a Copes Vulcan 21-138077 6HP Motor (230/460V, 3-Phase, 1725 RPM, D56CZ)**

1. **Reliable Brand Reputation** Copes Vulcan is a well-established manufacturer of industrial motors, known for durability and consistent performance in commercial and light industrial applications.

2. **High Efficiency for Its Class** A 6HP motor at 1725 RPM is suitable for many standard applications, including pumps, compressors, conveyors, and small machinery. Its efficiency helps reduce energy costs compared to older or less optimized motors.

3. **Dual Voltage (230V/460V)** The ability to operate on both 230V and 460V makes this motor versatile for different electrical setups, reducing the need for additional voltage conversion equipment.

4. **Three-Phase Design** Three-phase motors are generally more powerful, smoother-running, and more efficient than single-phase motors for continuous duty applications.

5. **Standard NEMA Frame (D56CZ)** The D56 frame is a common industrial size, making it easier to find replacement parts, belts, pulleys, and mounting hardware if needed.

- Small conveyors

- Air compressors

- Water pumps

- Industrial fans

- Mixers and agitators

7. **Lower Initial Cost Compared to Premium Brands** While not as expensive as premium motors (e.g., TEFC or explosion-proof models), it offers a cost-effective alternative for basic industrial needs.

8. **Easy Maintenance** Like most standard motors, it requires basic upkeep (lubrication, belt tension checks, and occasional cleaning), which is straightforward for trained personnel.

9. **Available from Multiple Distributors** Due to its popularity, spare parts and replacements are widely available, reducing downtime risks.

10. **Proven Performance in Commercial Settings** Many businesses, especially in food processing, manufacturing, and HVAC, rely on Copes Vulcan motors for dependable operation.

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1. **Not Explosion-Proof or Totally Enclosed (TEFC)** The standard D56CZ frame is typically **Open Drip-Proof (ODP)** or **Totally Enclosed Fan-Cooled (TEFC)**, depending on the exact model. If your application requires **explosion-proof (Ex-d)** or **waterproof (NEMA 4/5)** protection, this motor may not be suitable without additional modifications.

2. **Limited Lifespan for Heavy-Duty or Continuous Extreme Use** While durable, it is not designed for **24/7 heavy industrial use** (e.g., large-scale manufacturing or extreme environmental conditions) without potential wear over time.

3. **No Built-In Overload Protection** Unlike some premium motors, this model does not come with integrated overload relays or thermal protection, meaning additional safety devices (like thermal overload protectors) may be required for critical applications.

4. **Potential for Higher Maintenance in Harsh Environments** If exposed to **dust, moisture, or corrosive substances**, the motor may require more frequent cleaning and lubrication to prevent premature failure.

5. **Not Energy-Efficient Compared to Premium Motors** While efficient for its class, newer **IE3 or IE4 motors** (higher efficiency standards) from brands like Siemens, ABB, or WEG would offer better long-term energy savings.

6. **Limited Warranty (Typically 1 Year)** Copes Vulcan s standard warranty is usually **1 year**, which is shorter than some competitors (e.g., 2-5 years for premium brands).

- A **V-belt or coupling** (not always included)

- A **starter or soft starter** (if not already integrated)

- **Bearings or seals** (if replacing an old motor)

8. **Not Ideal for High-Speed or Precision Applications** At **1725 RPM**, it is not optimized for **high-speed machinery** (e.g., CNC tools, high-speed spindles) where lower RPM motors with higher torque would be better.

9. **Potential for Compatibility Issues** If replacing an older motor, ensure the **shaft diameter, mounting holes, and electrical connections** match exactly minor mismatches can cause misalignment or electrical problems.

10. **Resale Value is Low** Unlike premium motors, Copes Vulcan motors do not retain much value if resold, making them a **cost-effective buy-but-not-invest** option.

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The **Copes Vulcan 21-138077 6HP motor (230/460V, 3-phase, 1725 RPM, D56CZ)** is a **solid, budget-friendly choice** for **light to medium-duty industrial, commercial, or agricultural applications** where reliability and affordability are prioritized over premium efficiency or extreme environmental protection.

It excels in **standard conveyors, pumps, compressors, and fans** where **dust, moisture, and corrosion are not severe**. However, if your application demands **explosion-proof, waterproof, or high-efficiency operation**, a **premium motor (e.g., TEFC, IE3/IE4, or explosion-proof)** would be a better long-term investment.

For **short-term or non-critical use**, this motor provides **good performance at a low cost**. For **long-term, high-reliability, or extreme-environment use**, consider upgrading to a **higher-quality motor** with better protection and efficiency.

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- You need a **reliable, cost-effective 6HP motor** for **standard industrial/commercial use**.

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

- You can **maintain it properly** (clean, lubricate, check belts).

- You **do not require explosion-proof or waterproof** protection.

- You want **quick availability and easy part replacement**.

- Your environment is **extremely dusty, wet, or corrosive** (consider **TEFC or NEMA 4/5**).

- You need **high efficiency (IE3/IE4)** for long-term energy savings.

- The motor will be used in **explosion-risk zones** (requires **Ex-d rated motor**).

- You expect **24/7 heavy-duty use** without maintenance (may wear faster).

- You want **long-term resale value or premium durability** (opt for **Siemens, ABB, or WEG**).

- If budget allows, **upgrade to a TEFC or IE3 motor** for better protection and efficiency.

- If explosion-proof is needed, look for **Copes Vulcan Ex-d models** or **NEMA 7/9-rated motors**.

- For **high-speed or precision applications**, consider a **lower RPM, higher torque motor**.

This motor is a **practical, no-frills solution** for many standard applications. If your needs align with its strengths, it is a **good purchase**. However, if your requirements are more demanding, investing in a **higher-quality motor** will likely pay off in **longevity, efficiency, and safety**.

Details:

Please see above for details on item condition. Whats Included. Special invoicing and/or packaging requests. Combined shipping on multiple items.

But when available in multiple quantity, the photo shown is representative of item. No stocking fees, no hassles.

part #: 138077 prices

• $30.00-$110.00

specifications oelemot:

• brand: Copes Vulcan
• mpn: 138077
• model: , 21 138077
• part type: Motor
• rated load: Hp
• current type: Ac
• nominal rated input voltage: 230/460v
• ac phase: Three Phase

offer oelemot:

• best offers: True
• started: February 22, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

payments oelemot:

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

general oelemot:

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

returns oelemot:

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

shipping oelemot:

• service: FedEx Ground / FedEx Home Delivery
• transit: 3-6 Days
• class: Standard
• carrier: FedEx
• cost: $27.50
• type: Calculated

seller oelemot:

• city: Galion, Ohio
• rating: 99.9%
• # reviews: 9706

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