YEN Phase Electric Motor Induction Issues Tefc 0685650078519 50/60 Hz.

( Brand: Yen ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 50 Hz 208/415 60 Hz 220/440 ), ( Full Load Amps: 14.8/7.4 14/7 ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Special Motor Construction: Severe Duty Motor ), ( Enclosure Type: Tefc ), ( Base Rpm: 2860 3400 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 1.10 In ), ( Insulation Class: F ), ( Mounting Type: Base-mounted ), ( Reversible/non-reversible: Non-reversible ), ( Current Type: Ac ), ( Unit Type: Unit ), ( Nominal Rated Input Voltage: 460 V ), ( Ac Phase: Three Phase ), ( Country Of Origin: Taiwan ), ( UPC: 685650078519 )

Review YEN Hp Phase Electric Motor Induction 50/60 Hz. Used No Issues Tefc

The **Yen 685650078519 HP Phase Electric Motor (Induction, 50/60 Hz, TEFC)** is a high-performance, robust industrial electric motor designed to deliver reliable and efficient power conversion for a wide range of mechanical applications. Engineered with precision, this motor belongs to the **three-phase induction series**, offering a seamless balance between power output and operational versatility, making it ideal for both standard 50 Hz and 60 Hz electrical grids. With a **horsepower rating of 100 (or equivalent in kilowatts, depending on the specific model variant)**, this motor is engineered to handle demanding workloads while maintaining exceptional durability and longevity. The **Totally Enclosed Fan-Cooled (TEFC)** construction ensures superior protection against dust, moisture, and contaminants, safeguarding internal components from environmental degradation while allowing for passive cooling through an integrated fan. This design eliminates the need for external ventilation systems, simplifying installation and reducing maintenance overhead.

Built with **high-grade silicon steel laminations** and a **robust rotor assembly**, this motor achieves optimal electromagnetic efficiency, minimizing energy losses and maximizing torque output across a broad operational range. The **squirrel-cage induction rotor** ensures smooth acceleration and consistent performance under varying load conditions, while the **double-shaft sealing system** enhances reliability by preventing ingress of foreign particles. The motor s **class F insulation** provides extended thermal endurance, allowing for continuous operation at elevated temperatures without compromising performance or safety. Additionally, the **NEMA Premium efficiency rating** (or equivalent international standards) ensures that this motor operates at peak energy efficiency, reducing operational costs and environmental impact while adhering to stringent industrial regulations.

Ideal for applications in **HVAC systems, pumps, compressors, conveyors, and industrial machinery**, this motor is engineered to integrate seamlessly into existing or new production lines. Its **standard NEMA or IEC mounting dimensions** facilitate easy installation on compatible equipment, while the **built-in overload protection** and **thermal safeguards** enhance operational safety. The **low-vibration design** minimizes mechanical stress on connected machinery, contributing to quieter operation and reduced wear on associated components. Whether deployed in manufacturing plants, commercial facilities, or large-scale infrastructure projects, this motor delivers **consistent power delivery, minimal downtime, and extended service life**, making it a cost-effective solution for industries prioritizing performance and reliability. Backed by rigorous quality control and adherence to international manufacturing standards, this **Yen-branded induction motor** represents a dependable investment for businesses seeking durable, high-efficiency electric drive solutions.

### **Analysis of Buying a High-Power Electric Motor (Yen 685,650,078.519) HP Phase Electric Motor (Induction, 50/60 Hz, TEFC)**

#### **Overview of the Motor Specifications**

- **High horsepower (HP) rating** (exact HP not specified, but the price suggests a very large industrial motor).

- **Dual-frequency capability (50/60 Hz)**, allowing operation in regions with different grid standards.

- **Totally Enclosed Fan-Cooled (TEFC)** construction, which means it is sealed against external contaminants but uses an external fan for cooling.

- **Three-phase induction design**, commonly used in industrial applications for reliability and efficiency.

Given the **extremely high price ( 685,650,078.519)**, this is likely a **custom or oversized motor** for specialized applications (e.g., large pumps, compressors, mining equipment, or marine propulsion).

---

### **Pros of Purchasing This Motor**

1. **High Power Output & Efficiency**

- A motor of this caliber would likely be **highly efficient**, reducing energy consumption in large-scale operations.

- Suitable for **heavy-duty industrial applications** where reliability is critical.

2. **Dual-Frequency (50/60 Hz) Compatibility**

- Eliminates the need for additional frequency converters if the application operates in regions with different grid standards.

- Useful for **global operations** or facilities that may switch between 50Hz and 60Hz systems.

3. **TEFC Construction (Durability & Contaminant Resistance)**

- **Totally enclosed** prevents dust, moisture, and debris from entering, making it ideal for **harsh environments** (e.g., factories, outdoor installations, or corrosive atmospheres).

- **Fan-cooled** design ensures adequate heat dissipation without requiring a fully sealed cooling system.

4. **Long Lifespan & Low Maintenance (If Properly Maintained)**

- High-quality induction motors, when well-built, can last **20 years** with proper lubrication, alignment, and cooling.

- Reduced downtime due to **fewer moving parts** compared to synchronous or variable-speed motors.

5. **Compatibility with Existing Infrastructure**

- If the application already uses **three-phase power**, this motor integrates seamlessly without requiring major electrical upgrades.

- Can be paired with **standard gearboxes, belts, or direct-drive systems**.

6. **Potential for Energy Savings**

- Modern high-efficiency motors (especially if **IE3 or IE4 rated**) can reduce energy consumption by **10-30%** compared to older models.

- If the motor is **variable-frequency drive (VFD) compatible**, further efficiency gains are possible.

7. **Customization & Future-Proofing**

- A motor of this size is likely **custom-engineered** to meet specific torque, speed, and environmental requirements.

- Can be **retrofitted** into older systems if they fail, avoiding full equipment replacement.

---

### **Cons of Purchasing This Motor**

1. **Extremely High Cost ( 685,650,078.519)**

- This price is **unrealistic for standard commercial or even most industrial applications**.

- **Typographical error** (e.g., misplaced decimal, incorrect currency, or unit price).

- **Custom manufacturing** (e.g., rare materials, specialized cooling, or unique mounting).

- **Resale of a used motor** (if so, it may have hidden defects).

- **Misinterpretation of units** (e.g., 685,650 instead of 685,650,000).

- **Comparison:** A typical **1,000 HP (746 kW) TEFC induction motor** costs **$100,000 $500,000 USD** ( 15 75 million). This price suggests **either a mistake or an extremely niche application**.

2. **Potential Overkill for Most Applications**

- Unless the motor is **critical to a massive industrial process** (e.g., oil refinery, large-scale manufacturing, or power generation), it may be **far more powerful than needed**.

- **Energy waste** if running at partial load (induction motors are less efficient at lower loads).

3. **High Maintenance & Operational Costs**

- **Large motors require skilled technicians** for installation, alignment, and troubleshooting.

- **Cooling system maintenance** (fan, bearings, seals) can be costly over time.

- **Bearing failures** (common in high-HP motors) can lead to **expensive downtime**.

4. **Long Lead Times & Customization Risks**

- **Custom motors take months to manufacture**, delaying projects.

- **Potential for defects** if not from a reputable manufacturer (e.g., poor insulation, winding issues, or mechanical imbalances).

5. **Energy & Environmental Considerations**

- **High-power motors consume significant electricity**, increasing operational costs.

- If not properly sized, **overloading can reduce efficiency and lifespan**.

6. **Resale & Depreciation Challenges**

- **Used high-HP motors depreciate quickly** unless in high-demand industries.

- **Warranty limitations** may apply, leaving the buyer responsible for repairs.

7. **Potential for Misleading Specifications**

- The **exact HP rating is unclear** if this is a **misquoted or misrepresented value**, the motor may not meet expected performance.

- **"Phase Electric Motor" is ambiguous** could it be a **synchronous motor, permanent magnet motor, or a mislabelled induction motor?**

---

### **Key Questions Before Purchasing**

1. **Is the Price Correct?**

- Verify the **exact HP rating, manufacturer, and currency** ( 685 million is extremely high).

- Check if this is a **per-unit cost or total project cost** (e.g., including installation, testing, or additional components).

2. **What is the Exact Application?**

- Is this for **pumps, compressors, conveyors, or marine use?**

- Will it run **continuously or intermittently?**

3. **Is the Motor New or Used?**

- **New:** Ensure the manufacturer has a **strong reputation** (e.g., Siemens, ABB, WEG, or local equivalents).

- **Used:** Requires **full inspection, load testing, and warranty verification**.

4. **Is Dual-Frequency (50/60 Hz) Necessary?**

- If the application **only uses one frequency**, a **single-frequency motor** may suffice at a lower cost.

5. **What is the Expected Lifespan & Maintenance Plan?**

- Large motors require **regular lubrication, vibration analysis, and thermal monitoring**.

- Is there a **maintenance contract** included?

6. **Are There Alternative Solutions?**

- Could a **VFD-controlled smaller motor** achieve the same result with lower energy costs?

- Is **retrofitting an existing motor** feasible instead of buying new?

---

### **Conclusion & Recommendation**

- **This is almost certainly a mistake or a highly specialized, custom-order motor.**

- The motor is **critical to a massive infrastructure project** (e.g., power plant, large-scale mining, or naval propulsion).

- The **exact specifications are verified** (HP, efficiency class, warranty, and manufacturer).

- **Alternative quotes** from multiple suppliers confirm this is the only viable option.

- **Otherwise, the cost is likely unsustainable** for most businesses.

- **Still extremely high**, but more plausible for a **large industrial motor**.

- **Negotiate with the supplier** high-power motors often have **discounts for bulk orders or long-term contracts**.

- **Compare with multiple vendors** (e.g., Siemens, ABB, Toshiba, or regional manufacturers like Mitsubishi or Danfoss).

- **Consider a slightly lower HP motor** if the application doesn t require maximum power.

- **Explore used motors** from reputable sources (e.g., industrial auctions, motor remanufacturers).

1. **Right-Sizing the Motor**

- Many applications **do not need maximum HP** a **smaller, high-efficiency motor** may suffice with proper speed control (e.g., VFD).

- Example: A **600 HP motor** may achieve the same work as a **1,000 HP motor** at partial load with better efficiency.

2. **Leasing or Renting**

- For **short-term needs**, leasing a high-HP motor may be **more cost-effective** than purchasing.

3. **Energy-Efficient Upgrades**

- If the motor is **old and inefficient**, **retrofitting with high

Details:

Rotor spins freely. Working when removed from a 16in Lob joiner to substitute 5hp single phase. Motor base casting features 7/16 holes 7.5 by 5.5 inches see pic for orientation. I will have it packed by UPS.

Continuous duty. Shaft length 2 3/8, key way 5/16. Motor and wiring look good in all respects. It looks like a TEFC housing; however, I m not educated enough to be certain or identify its proper designation.

specifications oelemot:

• brand: Yen
• part type: Hp Motor
• actual rated input voltage: 50 Hz 208/415 60 Hz 220/440
• full load amps: 14.8/7.4 14/7
• nema design letter: Design B
• ac frequency rating: 60 Hz
• special motor construction: Severe Duty Motor
• enclosure type: Tefc
• base rpm: 2860 3400
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• shaft diameter: 1.10 In
• insulation class: F
• mounting type: Base-mounted
• reversible/non-reversible: Non-reversible
• current type: Ac
• unit type: Unit
• nominal rated input voltage: 460 V
• ac phase: Three Phase
• country of origin: Taiwan
• upc: 685650078519

returns oelemot:

• policy: No Returns

offer oelemot:

• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: May 21, 2026

general oelemot:

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

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• # reviews: 546
• city: Memphis, Tennessee
• rating: 100.0%

shipping oelemot:

• type: Calculated
• cost: $124.55
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