
9038CG31 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $299.00 | Condition is New – Open box, SQUARE D 9038CG31 SER. A 460/575V NSNP, FREE SHIPPING | 99.9% |
![]() | $343.20 | Condition is New – Open box, Square D 9038CG31 575 VAC, 2-Pole Type C, Mechanical Alternator. New-Open Box!, FREE SHIPPING | 99.6% |
![]() | $275.00 | Condition is New – Open box, NEW SQUARE D 9038-CG-31 MECHANICAL ALTERNATOR 9038CG31, shipping cost = $71.88 | 100.0% |
![]() | $346.98 | Top Pick! Condition is New – Open box, NEW SQUARE D 9038-CG-31 MECHANICAL ALTERNATOR 9038CG31, FREE SHIPPING | 99.8% |
![]() | $357.29 | Top Pick! Condition is New – Open box, SQUARE D 9038CG31 PULLEY, shipping cost = $32.05 | 99.7% |
![]() | $429.00 | Condition is New – Open box, SQUARE D 9038CG31 SER. A 460/575V NSMP, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $732.26 | Condition is New, SCHNEIDER ELECTRIC 9038CG31 -Square D CLOSED TANK ALT.OPEN/FALL, FREE SHIPPING | 98.6% |
![]() | $751.34 | Condition is New, Schneider Electric (Square D) 9038CG31 CLOSED TANK ALT.OPEN/FALL, FREE SHIPPING | 99.4% |

The Square 9038CG31 is a closed-tank mechanical alternator designed for industrial and commercial applications. This alternator is engineered for durability and reliability, making it an ideal choice for power generation systems that require a constant power supply.
The alternator features a cast iron housing that protects the internal components from external damage and ensures efficient heat dissipation. The cast iron rotor and stator windings are specifically designed for long-lasting performance and robust operation. The rotor shaft is made of high-strength steel, ensuring minimal deflection under heavy loads.
The Square 9038CG31 is equipped with a three-phase, 6-pole design, which provides a smooth and stable output voltage. The alternator comes with a built-in voltage regulator that ensures the output voltage remains within the specified range, even under varying load conditions. The regulator is adjustable, allowing for fine-tuning of the output voltage to meet specific application requirements.
The alternator also includes a high-quality bearing system, featuring ball bearings on both the rotor and the stator sides. This design reduces friction and wear, ensuring that the alternator runs smoothly and efficiently, even under heavy loads.
The Square 9038CG31 is a closed-tank alternator, which means that the windings are immersed in insulating oil. This design provides several benefits, including improved cooling, increased insulation, and extended component life. The alternator includes a breathable tank cover that allows for the natural dissipation of gases, preventing the buildup of pressure and ensuring safe operation.
The alternator comes with a set of mounting brackets and bolts, making installation simple and straightforward. The alternator can be easily connected to a power system using the included terminals, and the built-in overload protection ensures that the alternator does not overheat or overload under heavy loads.
In summary, the Square 9038CG31 is a robust and reliable closed-tank mechanical alternator designed for industrial and commercial applications. Its cast iron housing, three-phase, 6-pole design, adjustable voltage regulator, high-quality bearing system, and insulating oil cooling make it a durable and efficient power supply solution for a wide range of applications.
The Square 9038CG31 is a closed-tank mechanical alternator designed for various industrial applications. Here are some pros and cons to help you make an informed decision about purchasing it:
Pros:1. Robust Design: The Square 9038CG31 is built with a robust and durable design, making it suitable for heavy-duty industrial applications. Its closed-tank design protects the internal components from dust, debris, and other contaminants.
2. Reliability: Mechanical alternators like the Square 9038CG31 are known for their reliability and long service life. They have fewer moving parts than their electrical counterparts, reducing the chances of failure.
3. Cost-Effective: The Square 9038CG31 is a cost-effective option for industrial applications that require a reliable power source. Its simple design and lack of electronic components make it less expensive than other types of alternators.
4. Low Maintenance: The Square 9038CG31 requires minimal maintenance, which reduces downtime and saves on maintenance costs. Its simple design makes it easy to repair if any issues arise.
Cons:1. Limited Versatility: The Square 9038CG31 is not as versatile as other types of alternators. It is designed for specific industrial applications, and its size and weight make it less suitable for mobile or portable applications.
2. Limited Efficiency: Mechanical alternators like the Square 9038CG31 are generally less efficient than electrical alternators. They convert a larger percentage of the engine's power into mechanical energy, which reduces the amount of electrical energy generated.
3. Limited Speed Regulation: The Square 9038CG31 does not offer the same level of speed regulation as electrical alternators. Its output voltage and frequency are determined by the engine speed, which can make it less suitable for applications that require precise voltage and frequency control.
Conclusion:The Square 9038CG31 is a reliable and cost-effective option for industrial applications that require a robust and durable power source. Its simple design makes it easy to maintain and repair, reducing downtime and maintenance costs. However, its limited versatility, efficiency, and speed regulation make it less suitable for applications that require precise voltage and frequency control or portability. Ultimately, the decision to purchase the Square 9038CG31 depends on the specific requirements of your industrial application. If reliability and cost-effectiveness are your primary concerns, then the Square 9038CG31 is an excellent choice. However, if you require greater versatility, efficiency, or speed regulation, you may want to consider other types of alternators.
Recommendation:If you are looking for a reliable and cost-effective power source for your industrial application and are not concerned about versatility, efficiency, or speed regulation, then the Square 9038CG31 is an excellent choice. However, if you require greater versatility, efficiency, or speed regulation, you may want to consider other types of alternators, such as electrical alternators or brushless alternators. Ultimately, it is essential to evaluate the specific requirements of your application and compare the pros and cons of various alternator types before making a decision.
Details:
Closed tank mechanical alternator. New open stock as seen in pics. This item is new in the factory box.
specifications indusswitch:
- brand: Square D
- mpn: 9038cg31
- type: Closed Tank Mechanical Alternator
- country/region of manufacture: United States
offer indusswitch:
- in stock #: 5
- prices: $275.00–$751.34
- item condition:
- New – Open box
- New
- started: february 18, 2025
- options: ship-to-home
- sold #: 22
- availability: in stock
payments indusswitch:
- other
- wallet: google-pay
- credit card: mastercard
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
returns indusswitch:
- paid by: buyer
- policy: returns accepted
- time: 30 days
- method: money back
seller indusswitch:
- city: chesnee, south carolina
- # reviews: 3830
- rating: 100.0%
shipping indusswitch:
- service: standard
- type: fixed
- transit: 4-8 days
- class: standard
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