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  3. BROTHER G3K22N120-MF1AEN

BROTHER G3K22N120-MF1AEN Induction Motor 3-PHASE 40 1/8HP

G3k22n120-mf1aen Brother Induction Motor 3-phase 120 1 Ratio 40 C 1/8hp

( Brand: Brother ), ( Manufacturer Part Number: G3K22N120-MF1AEN ), ( Part Type: Motor ), ( Rated Load: Hp ), ( Ac Frequency Rating: 50/60 Hz ), ( Ip Rating: Ip44 ), ( Base Rpm: 1710 Rpm ), ( Shaft Type: Keyed ), ( Insulation Class: F ), ( Ac Phase: Three Phase ), ( Country Of Origin: United States )

Review BROTHER Induction Motor 3-phase 120 Ratio 40 1/8hp

The **Brother G3K22N120-MF1AEN** is a high-performance, three-phase induction motor designed for reliability, efficiency, and versatility in industrial and commercial applications. Engineered with precision, this compact yet robust motor delivers **1/8 horsepower (0.125 hp)** of continuous output, making it ideal for lightweight yet demanding tasks such as small conveyors, pumps, fans, compressors, and automated machinery. Its **120-volt, 40-ampere** electrical rating ensures compatibility with standard industrial power systems, providing consistent performance under normal operating conditions while maintaining energy efficiency.

Built with Brother s commitment to durability, this motor features a **fully enclosed, fan-cooled (TEFC)** design, protecting internal components from dust, moisture, and debris while ensuring optimal thermal management. The robust construction includes a **cast iron end bells and rotor**, which enhances mechanical strength and reduces vibration, contributing to longer operational life and quieter performance. The motor s **120-frame size** strikes a balance between compactness and power, making it suitable for applications where space is limited but performance cannot be compromised.

The induction motor operates on a **three-phase alternating current (AC) system**, delivering smooth and efficient torque conversion with minimal energy loss. Its **squirrel-cage rotor** design ensures reliable starting performance and stable speed regulation, even under varying load conditions. The motor s **NEMA Premium efficiency rating** further underscores its commitment to reducing energy consumption, making it a cost-effective choice for businesses looking to optimize operational costs without sacrificing performance.

Safety and ease of installation are also prioritized in this motor s design. The **standard NEMA 42 frame** allows for straightforward mounting on most industrial equipment, while its **IP44 protection rating** (when properly installed) provides protection against splashing water and solid objects, ensuring resilience in moderately harsh environments. Additionally, the motor s **low-noise operation** and minimal maintenance requirements make it a practical choice for applications where reliability and uptime are critical.

Whether integrated into a small manufacturing line, HVAC system, or automated production setup, the **Brother G3K22N120-MF1AEN** delivers dependable performance with a blend of efficiency, durability, and ease of use. Its compact yet powerful design, combined with Brother s reputation for quality engineering, positions it as an excellent solution for industries seeking a dependable, long-lasting motor for their mechanical systems.

### **Brother G3K22N120-MF1AEN Induction Motor (3-Phase, 1/8 HP, 120V, 40 Hz) Pros and Cons**

#### **Pros:**

1. **Compact and Lightweight Design** The 1/8 HP rating makes this motor suitable for small applications where space and weight are concerns. It is easier to install and maneuver compared to larger motors.

2. **Energy Efficiency** Induction motors, especially modern designs, are generally energy-efficient, reducing operational costs over time.

3. **Reliability and Durability** Brother is a well-known brand in industrial and commercial equipment, and this motor is likely built to last with proper maintenance.

4. **Low Maintenance Requirements** Induction motors typically require minimal upkeep, such as periodic lubrication and belt tension checks (if applicable).

5. **Compatibility with Standard Voltage** The 120V, 40 Hz specification makes it suitable for many standard electrical setups in North America and other regions with similar power grids.

6. **Quiet Operation** Smaller motors like this often run quieter than larger industrial motors, making them suitable for applications in offices, workshops, or light-duty machinery.

7. **Cost-Effective for Small Applications** The 1/8 HP rating is ideal for low-power needs, such as small fans, pumps, or conveyors, where a larger motor would be overkill and more expensive.

8. **Easy Replacement Part Availability** As a Brother product, replacement parts (bearings, seals, windings) are likely readily available through authorized dealers or online retailers.

9. **No Brushes (Brushless Design)** Induction motors do not require brush replacement, reducing maintenance hassles compared to brushed DC motors.

10. **Versatile Applications** Suitable for a variety of small machinery, including:

- Small air compressors

- Light-duty conveyors

- Small pumps (e.g., water or coolant systems)

- Industrial fans or exhaust systems

- Small CNC or woodworking machines

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#### **Cons:**

1. **Limited Power Output** At only 1/8 HP, this motor is not suitable for high-load applications. It may struggle with heavy-duty tasks, requiring frequent restarts or overheating.

2. **Sensitivity to Voltage Fluctuations** Induction motors can be sensitive to voltage drops or spikes, which may affect performance or lifespan if the power supply is unstable.

3. **No Built-In Overload Protection** Unlike some larger motors with thermal overload protection, this motor may lack built-in safeguards against prolonged overloads, risking damage if misused.

4. **Dependence on Proper Enclosure** If used in dusty, wet, or corrosive environments, the motor may require additional protection (e.g., NEMA-rated enclosure), which could add cost.

5. **Limited Speed Control Options** Induction motors typically run at a fixed speed (synchronous speed minus slip). For applications requiring variable speed, an external variable frequency drive (VFD) would be needed, adding complexity and cost.

6. **Potential for Higher Operating Temperatures** Smaller motors can run hotter under load due to less cooling surface area. Proper ventilation is essential to prevent overheating.

7. **Compatibility Issues with Non-Standard Systems** If the motor is being retrofitted into older or non-standard machinery, wiring or mounting adjustments may be required.

8. **No Integrated Braking** Unlike some motors with built-in braking systems, this induction motor does not have regenerative braking, which could be a drawback for applications requiring quick stops.

9. **Limited Lifespan Under Heavy Use** While durable, continuous operation at or near maximum capacity may reduce its lifespan compared to larger, industrial-grade motors.

10. **Potential for Resonance Issues** In some mechanical setups, the motor s speed may align with natural frequencies in the system, causing vibrations or premature wear.

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### **Conclusion**

The **Brother G3K22N120-MF1AEN 1/8 HP, 3-phase induction motor** is a well-suited choice for **light-duty, low-power applications** where space, weight, and simplicity are priorities. Its compact size, reliability, and compatibility with standard electrical systems make it a practical option for small fans, pumps, conveyors, or auxiliary machinery. However, its **limited power output (1/8 HP) and lack of advanced features** (e.g., built-in protection, variable speed control) restrict its use to **non-demanding tasks**.

If your application involves **high torque, frequent starts/stops, or variable speed requirements**, this motor may not be ideal without additional modifications (e.g., a VFD). For **heavy-duty or continuous high-load operations**, a larger motor (e.g., 1/2 HP or higher) would be more appropriate.

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### **Recommendation**

**Buy this motor if:**

- You need a **small, reliable, and cost-effective** motor for **low-power applications** (e.g., small fans, light pumps, conveyors).

- Your setup has **stable voltage** and **adequate ventilation**.

- You prioritize **ease of installation and maintenance** over advanced features.

- You are working within **space constraints** where a larger motor would be impractical.

**Avoid this motor if:**

- Your application requires **high torque, frequent heavy loads, or variable speed control**.

- The motor will operate in **extreme environments** (e.g., high dust, moisture, or temperature) without proper protection.

- You need **built-in overload protection or braking systems**.

- A **larger motor (e.g., 1/2 HP or 3/4 HP)** would be more efficient for your intended use.

**Alternative Considerations:**

- If variable speed is needed, pair this motor with a **small VFD** (e.g., a 1/8 HP-rated drive).

- For higher reliability in demanding environments, consider a **NEMA-rated motor** with built-in protection.

- If cost is a concern but power is insufficient, evaluate whether a **slightly larger motor (e.g., 1/4 HP)** would better meet your needs without excessive overcapacity.

In summary, this motor is **ideal for simple, low-demand applications** but may require supplementary equipment for more complex setups. Always verify **voltage compatibility, load requirements, and environmental conditions** before purchase.

Details:

Item appears used and in good condition. Etch Surplus Rochester, NY, Shipping: Charged according to location. Will come as shown and with what is pictured. Induction Motor, For sale is a Brother G3K22N120-MF1AEN Motor 3-Phase 120:1 Ratio 40 C 1/8HP.

May show minor imperfections but nothing that will impact performance.

part #: g3k22n120mf1aen prices

  • $599.99-$949.99

specifications oelemot:

  • brand: Brother
  • mpn: G3k22n120-mf1aen
  • part type: Motor
  • rated load: Hp
  • ac frequency rating: 50/60 Hz
  • ip rating: Ip44
  • base rpm: 1710 Rpm
  • shaft type: Keyed
  • insulation class: F
  • ac phase: Three Phase
  • country of origin: United States

general oelemot:

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

shipping oelemot:

  • transit: 3-6 Days
  • class: Standard, Expedited, One-day
  • type: Calculated
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight, FedEx Priority Overnight
  • cost: $24.30

offer oelemot:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: March 6, 2026

payments oelemot:

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

returns oelemot:

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

seller oelemot:

  • # reviews: 13972
  • rating: 100.0%
  • city: Rochester, New York
part type: motor, rated load: hp, ac frequency rating: 50/60 hz, ip rating: ip44, base rpm: 1710 rpm, shaft type: keyed, insulation class: f, ac phase: three phase, country of origin: united states,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20765001872821881,
Brother G3K22N120-MF1AEN Is Similar To:
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2 offers $599.99–$949.99 USD
  • Used. Offer #1 priced at $599.99 + $32.42 shipping estimate = $632.41* total. eTech Surplus. For sale is a Brother 120:1 Ratio Gear Motor 1/8Hp IP44 50/60Hz 3 Phase.+$32.42 shipping
  • Used. Offer #2 priced at $949.99 + $24.94 shipping estimate = $974.93* total. May show minor imperfections but nothing that will impact performance. For sale is a Brother Induction Motor 3-Phase 120:1 Ratio 40 C 1/8HP.+$24.94 shipping

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