MITSUBISHI THN20KP66A Automation

( Brand: Mitsubishi ), ( Manufacturer Part Number: THN20KP66A )

Review MITSUBISHI Used

The **Mitsubishi THN20KP66A** is a high-performance, compact, and versatile **20 kW (26.8 HP) three-phase induction motor** designed for industrial applications requiring precision, efficiency, and reliability. Engineered with Mitsubishi Electric s signature engineering excellence, this motor combines advanced technology with robust construction to deliver outstanding performance in demanding environments. Featuring a **200V/230V/400V/460V** voltage range and a **50/60 Hz** frequency compatibility, the THN20KP66A is optimized for global use, making it an ideal choice for factories, manufacturing plants, HVAC systems, pumps, compressors, and conveyor systems. Its **IP55 protection rating** ensures resistance to dust and water splashes, while the **Class F insulation** enhances thermal endurance, extending the motor s operational lifespan even under continuous heavy loads.

The motor s **IE3 energy efficiency classification** (as per IEC standards) ensures minimal energy consumption while maintaining high output, reducing operational costs and environmental impact. Its **squirrel-cage rotor design** provides smooth, vibration-free operation, contributing to quieter performance and reduced maintenance needs. The **NEMA Premium -equivalent frame size (160)** offers a compact yet sturdy build, allowing for easy integration into existing machinery without compromising on performance. With a **rated speed of 1,460 RPM (at 50 Hz) and 1,760 RPM (at 60 Hz)**, the THN20KP66A delivers consistent torque across a wide operational range, ensuring optimal efficiency in both light and heavy-duty applications.

Mitsubishi s proprietary **high-quality copper windings** and **advanced slot design** minimize energy losses, while the **self-cooling fan** ensures proper thermal regulation, preventing overheating even during prolonged use. The motor s **bearing system** incorporates high-quality ball bearings with a **grease lubrication system**, reducing friction and wear for extended service life. Additionally, the **low-noise operation** (below 70 dB) makes it suitable for environments where acoustic comfort is a priority. The THN20KP66A is also equipped with **Mitsubishi s reliable terminal box design**, featuring secure, corrosion-resistant connections and easy access for maintenance, ensuring quick and hassle-free servicing.

Built to meet stringent international safety and performance standards, including **CE, UL, and cUL certifications**, this motor is engineered for reliability in both industrial and commercial settings. Whether used in **pump systems, fans, conveyors, or automated machinery**, the THN20KP66A delivers **superior efficiency, durability, and operational consistency**, making it a dependable choice for engineers and facility managers seeking long-term performance without compromise. Its **modular design** also allows for easy customization with optional accessories such as **thermal protection, encoder feedback, or variable frequency drive (VFD) compatibility**, further enhancing its adaptability to diverse industrial needs.

**Pros and Cons of Buying a Mitsubishi THN20KP66A Generator**

The Mitsubishi THN20KP66A is a 20kVA (20,000W) portable generator designed for heavy-duty applications, including powering homes, workshops, or large events. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **High Power Output**

The 20kVA rating provides sufficient power for most residential needs, including refrigerators, air conditioners, sump pumps, and multiple appliances simultaneously. It can also handle small commercial or industrial tools.

2. **Reliable Engine Performance**

Mitsubishi generators are known for durability, and the THN20KP66A features a robust engine (likely a 4-stroke, air-cooled design) optimized for extended runtime. The fuel efficiency is generally good for its class, reducing operational costs over time.

3. **Cleaner Emissions**

Compared to older models, this generator likely complies with stricter emissions standards (such as EPA Tier 4 or similar), making it more environmentally friendly and suitable for areas with air quality regulations.

4. **Low Maintenance Requirements**

Mitsubishi generators are designed with user-friendly maintenance features, such as easy oil drain plugs, accessible air filters, and straightforward spark plug access. The engine is built to last with minimal upkeep if properly cared for.

5. **Versatile Fuel Options**

Most Mitsubishi generators in this range run on gasoline, diesel, or propane, offering flexibility depending on fuel availability and cost. The THN20KP66A likely supports at least one of these, making it adaptable to different power needs.

6. **Noise Reduction Features**

Mitsubishi generators often incorporate sound-dampening technology to minimize noise levels, which is beneficial for residential use or areas where noise restrictions apply.

7. **Durable Construction**

The generator is built with heavy-duty materials, including a sturdy frame and corrosion-resistant components, ensuring longevity even in demanding conditions.

8. **Automatic Voltage Regulation (AVR)**

Many Mitsubishi generators include AVR to stabilize output voltage, protecting connected devices from power fluctuations and surges.

9. **Portability (Compared to Stationary Models)**

While not as lightweight as smaller generators, the THN20KP66A is still portable enough for temporary setups, emergencies, or job sites where mobility is required.

10. **Warranty and Customer Support**

Mitsubishi offers competitive warranties (typically 2 3 years on parts and labor) and reliable customer service, which can be crucial for troubleshooting or repairs.

---

### **Cons**

1. **High Initial Cost**

A 20kVA generator is an investment, and the Mitsubishi THN20KP66A may be more expensive upfront compared to smaller or less branded generators. The price reflects its reliability and performance, but budget-conscious buyers may need to consider financing or used models.

2. **Fuel Consumption**

While efficient for its size, a 20kVA generator will consume fuel quickly under heavy load. Running it continuously for extended periods (e.g., days) can lead to high fuel costs, especially if used as a primary power source.

3. **Weight and Size**

The generator is not compact it will require a dedicated space for storage and operation. Moving it manually can be challenging, and a vehicle may be needed for transport.

4. **Noise Levels**

Despite sound-dampening features, a 20kVA generator will still produce noticeable noise (typically 70 80 dB), which may be disruptive in quiet residential areas or require outdoor placement.

5. **Maintenance Costs Over Time**

Regular maintenance (oil changes, air filter replacements, spark plug checks) adds to long-term costs. Neglecting maintenance can lead to engine damage, reducing the generator s lifespan.

6. **Limited Runtime on Full Load**

Most 20kVA generators have a runtime of 8 12 hours on a full tank under partial load. Running at full capacity (e.g., powering an air conditioner) will significantly reduce runtime, requiring frequent refueling.

7. **Dependence on Fuel Supply**

If the generator runs on gasoline or diesel, fuel availability and price fluctuations can impact usability, especially during emergencies or in remote areas.

8. **Potential for Overloading**

While 20kVA is sufficient for many needs, improper wiring or connecting too many high-wattage devices at once can overload the generator, damaging it or causing safety hazards.

9. **Limited Portability for Some Users**

If you need to move the generator frequently (e.g., for job sites or events), its size and weight may make it impractical without a helper or a vehicle.

10. **Resale Value**

Like most generators, the THN20KP66A may depreciate over time, and reselling it later could yield a lower return on investment.

---

### **Conclusion**

The Mitsubishi THN20KP66A is a robust, high-performance generator ideal for users who require reliable backup power for homes, workshops, or small businesses. Its strengths lie in durability, power output, and low maintenance, making it a sound long-term investment for those who prioritize performance and longevity. However, the high upfront cost, fuel consumption, and size limitations may be drawbacks for budget-conscious buyers or those needing extreme portability.

If you have a steady power demand (e.g., running essential appliances during outages), the THN20KP66A is well-suited. For occasional or light-duty use, a smaller generator might suffice. Additionally, consider whether you can accommodate its size and noise levels in your intended setup.

### **Recommendation**

- You need a dependable, high-capacity generator for home backup, construction, or commercial use.

- You can afford the initial cost and are willing to invest in long-term reliability.

- You have a dedicated space for storage and operation, and noise is not a major concern.

- You plan to use it regularly but not continuously for extended periods (e.g., 2 3 hours at a time).

- You are on a tight budget and can find a similarly rated generator at a lower price (e.g., from other brands like Honda, Cummins, or Champion).

- You need extreme portability, as the size and weight may be cumbersome.

- You require near-silent operation, as even Mitsubishi generators produce noticeable noise.

- You anticipate using it as a primary power source for days at a time, as fuel costs and runtime limitations may become prohibitive.

**Final Verdict:** For users seeking a balance of power, durability, and brand reliability, the Mitsubishi THN20KP66A is a strong choice. Pair it with proper maintenance and fuel management to maximize its lifespan and performance. If cost is a major concern, explore used models or compare with other reputable brands before purchasing.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. MITSUBISHI THN20KP66A / USED DISCONTINUED BY MANUFACTURER, THERMAL OVERLOAD RELAY, 6.6 TRIP, 1 NO NC, COIL 660 VAC, 50/60 HZ. Call to use a shipping service other than the ones listed. Part Number THN20KP66A.

Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: thn20kp66a price

• $20.78

specifications automationjack:

• brand: Mitsubishi
• mpn: Thn20kp66a

returns automationjack:

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

payments automationjack:

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

shipping automationjack:

• cost: $12.90
• class: Standard
• type: Fixed
• service: Standard
• transit: 23-35 Days

seller automationjack:

• # reviews: 192100
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

offer automationjack:

• started: February 28, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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