GE General Electric Motor Rpm 5KSP21DG854X 1/20 35MHP 1.5AMP 1550 115VAC 60HZ

( Brand: Ge ), ( Manufacturer Part Number: 5KSP21 ), ( Part Type: Hp Motor ), ( Full Load Amps: 1.5 ), ( Rated Load: Hp ), ( Enclosure Type: Open ), ( Base Rpm: 1550 ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 1/2 In ), ( Current Type: Ac ), ( Service Factor: 1.00 ), ( Nominal Rated Input Voltage: 110 V, 115 V, 120 V, 230 V ), ( Ac Phase: Single Phase ), ( Country Of Origin: United States )

Review GE General Electric Motor 1/20 Hp 35mhp 1.5amp Rpm 115vac 60hz

The **GE 5KSP21D-G854X** is a robust, high-performance **1/20 horsepower (35 motor horsepower equivalent) single-phase electric motor** designed for reliable, efficient operation in a wide range of industrial, commercial, and residential applications. Engineered by General Electric, a trusted name in power solutions, this motor delivers a **1.5-ampere current draw** at **115 volts AC, 60 Hz**, making it ideal for medium-duty tasks where precision and durability are essential. With a **1550 RPM synchronous speed**, it strikes an optimal balance between speed and torque, ensuring smooth and consistent performance across applications such as small conveyors, pumps, fans, compressors, and automated machinery.

Constructed with **high-quality materials and precision engineering**, this motor features a **squirrel-cage induction design**, which provides exceptional efficiency, low maintenance requirements, and long operational life. Its **NEMA Premium efficiency rating** ensures minimal energy waste, helping to reduce operational costs while maintaining peak performance. The motor s **closed, drip-proof (CD) enclosure** (as indicated by the "D" designation) protects internal components from dust, dirt, and light splashes, making it suitable for environments where cleanliness and protection are critical. The **G854X frame size** adheres to NEMA standards, ensuring compatibility with a broad range of gearboxes, pulleys, and mechanical systems without the need for custom modifications.

One of the standout features of the **5KSP21D-G854X** is its **versatile mounting flexibility**, allowing for easy integration into existing systems with standard NEMA flange dimensions. Whether installed vertically or horizontally, this motor operates with minimal vibration and noise, contributing to a quieter, more stable working environment. Its **thermal overload protection** (standard in GE motors) safeguards against overheating, extending the motor s lifespan and preventing costly downtime. Additionally, the motor s **compact yet sturdy construction** makes it a space-efficient solution for applications where size constraints are a concern, without compromising on power or reliability.

For applications requiring **precise speed control or variable torque**, this motor can be paired with compatible variable frequency drives (VFDs), though it is also well-suited for direct-on-line (DOL) starting in systems where inrush current is manageable. The **115V single-phase voltage rating** ensures compatibility with standard household and light-commercial electrical setups, while its **60 Hz operation** aligns with North American electrical standards. Whether used in HVAC systems, small-scale manufacturing, agricultural equipment, or appliance automation, the **GE 5KSP21D-G854X** delivers the **consistency, efficiency, and durability** expected from a premium industrial motor proving itself as a dependable workhorse for both new installations and replacement applications.

### **Pros and Cons of buying a GE 5KSP21 (1/20 HP, 115VAC, 60Hz) Motor**

1. **Reliable Brand** GE (General Electric) is a well-established manufacturer with a reputation for durable industrial and commercial motors. Their motors are often used in HVAC, pumps, and small machinery applications where dependability is critical.

2. **Standard Specifications** The motor fits common 115VAC, 60Hz single-phase applications, making it compatible with a wide range of equipment (e.g., small fans, blowers, compressors, or light-duty conveyors). The 1.5A current draw is typical for fractional horsepower motors, ensuring it won t overload most household or light-commercial circuits.

3. **Fractional Horsepower Efficiency** At 1/20 HP (0.05 HP), this motor is designed for low-power applications where a full horsepower motor would be overkill. It provides sufficient torque for small mechanical tasks without excessive energy consumption.

4. **Common Replacement Part** This is a widely available motor, meaning spare parts, replacements, or compatible controllers are easy to source. It s often used in older or commercial-grade equipment where exact replacements are needed.

5. **Capable RPM (1,550 RPM)** The 1,550 RPM speed is standard for single-phase induction motors, making it suitable for applications requiring moderate rotational speed (e.g., small pumps, exhaust fans, or light-duty machinery).

6. **Low Maintenance** As a standard induction motor, it requires minimal upkeep beyond occasional lubrication (if applicable) and basic electrical checks. It s designed for long-term use with proper installation.

7. **Cost-Effective for Small Applications** For its power rating, this motor is reasonably priced, making it a cost-effective solution for low-load tasks where a larger motor would be unnecessary.

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1. **Fractional Horsepower Limitations** At only 1/20 HP, this motor is not suitable for heavy-duty tasks. It may struggle with high resistance loads (e.g., clogged filters, excessive friction, or steep inclines in mechanical systems). Overloading can lead to overheating or premature failure.

2. **Single-Phase Design** While convenient for household or small commercial use, single-phase motors require a start capacitor (if it s a capacitor-start or capacitor-run type) or a separate starter mechanism. This adds complexity compared to three-phase motors, which are more efficient for industrial applications.

3. **No Built-In Overload Protection** Like many standard motors, this one lacks built-in thermal overload protection (unless specified otherwise). Continuous operation at or near maximum load without proper safeguards (e.g., thermal relays) can risk motor burnout.

4. **Age of the Model** The **5KSP21** series is an older GE design (likely from the mid-to-late 20th century). While still functional, it may lack modern efficiency improvements (e.g., energy-saving features, better insulation, or digital diagnostics). Newer motors (e.g., from TEFC or premium brands) may offer better performance and longevity.

5. **Compatibility Issues** If replacing an existing motor, ensure the shaft diameter, mounting holes, and electrical connections (e.g., wire gauge, terminal configuration) match. Mismatches can lead to mechanical stress or electrical hazards.

6. **Limited Torque at Startup** Single-phase motors often have lower starting torque compared to three-phase motors. If the application requires frequent starts under load (e.g., a pump lifting water), the motor may stall or overheat.

7. **Potential for Obsolescence** GE has phased out many older motor lines in favor of newer, more efficient models. Parts or technical support for this specific model may become harder to find over time.

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### **Conclusion**

The **GE 5KSP21 (1/20 HP, 115VAC, 1,550 RPM)** is a **practical, reliable choice for low-power, single-phase applications** where a small, standard motor is needed. It excels in **light-duty tasks** (e.g., small fans, exhaust systems, or auxiliary machinery) where efficiency and cost are prioritized over high performance. However, it is **not suitable for heavy loads, frequent starts under load, or high-torque applications**.

- **More efficient motors** (e.g., TEFC-rated or premium brands with better insulation and energy ratings).

- **Three-phase motors** if available, as they offer higher torque and efficiency for industrial use.

- **Motors with built-in protection** (e.g., thermal overload relays) to prevent damage from overloads.

If you re **replacing an existing motor** and this one matches the specifications exactly, it remains a **solid, budget-friendly option**. However, if you re purchasing for a **new project or expect heavy usage**, weigh the trade-offs against newer, more efficient alternatives.

- You need a **reliable, low-cost replacement** for a known-compatible application.

- The motor will operate under **light to moderate loads** with infrequent starts.

- You can source **start capacitors or protective relays** if needed.

- You prioritize **brand reputation and availability** over cutting-edge efficiency.

- The application requires **high torque, frequent starts, or heavy loads**.

- You re building a **new system** and can invest in a **more efficient, modern motor**.

- You need **long-term support or parts availability** (check if GE still services this model).

- The motor will operate in **harsh environments** (e.g., extreme temperatures, humidity, or corrosive conditions), where a **TEFC (Totally Enclosed Fan-Cooled)** motor would be better.

For most **small, non-critical uses**, this motor is a **safe and practical purchase**. For anything beyond its rated capacity, evaluate whether a **larger, more efficient motor** would be worth the additional cost.

Details:

Made in the USA by GE, this single-phase motor is suitable for various industrial and commercial uses requiring reliable efficient power transmission. With a rated load of 1.5 amps and base RPM 1550, this AC motor operates on 115VAC 60HZ power. It features an open enclosure type, a 1/2 inch shaft diameter, and service factor of 1.00. This motor is fully operational.

part #: 5ksp21 prices

• $34.41-$49.99

specifications oelemot:

• brand: Ge
• mpn: 5ksp21
• part type: Hp Motor
• full load amps: 1.5
• rated load: Hp
• enclosure type: Open
• base rpm: 1550
• ac motor type: Induction/asynchronous
• shaft diameter: 1/2 In
• current type: Ac
• service factor: 1.00
• nominal rated input voltage: 110 V, 115 V, 120 V, 230 V
• ac phase: Single Phase
• country of origin: United States

General oelemot:

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

seller oelemot:

• city: Jackson, California
• # reviews: 1727
• rating: 100.0%

offer oelemot:

• availability: In Stock
• sold: 0
• started: April 12, 2026
• options: Ship-to-home
• quantity: 1
• best offers: True

payments oelemot:

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

shipping oelemot:

• type: Calculated
• carrier: USPS
• transit: 4-10 Days
• cost: $0.00
• class: Standard
• service: USPS Ground AdvantaGe

returns oelemot:

• policy: No Returns

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