
R4H3030FJ Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $159.99 | Condition is New – Open box, Eaton R4H3030FJ Rotary Disconnect Switch 30A 3-Pole 600VAC H-Frame Class J Fuses, FREE SHIPPING | 99.9% |
![]() | $441.53 | Top Pick! Condition is New – Open box, EATON CORPORATION R4H3030FJ / R4H3030FJ (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.00 | Condition is Used, Eaton Fusible H-Frame J30A/R4H3030FJ/C363UC30JT, shipping cost = $8.74 | 100.0% |
![]() | $348.57 | Condition is Used, EATON CORPORATION R4H3030FJ / R4H3030FJ (USED), shipping cost = $12.90 | 99.7% |
![]() | $359.04 | Top Pick! Condition is Used, EATON CORPORATION R4H3030FJ / R4H3030FJ (USED), shipping cost = $36.25 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $50.84 | Top Pick! Condition is For parts or not working, Eaton R4H3030FJ 30A J Fused Disconnect Untested, As-Is, shipping cost = $55.83 | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $139.99 | Condition is New, Eaton Fusible H-Frame J30A / R4H3030FJ NEW, FREE SHIPPING | 100.0% |
![]() | $170.00 | Condition is New, EATON R4H3030FJ 30A J fused disconnect, shipping cost = $10.00 | 100.0% |
![]() | $477.16 | Condition is New, EATON-R4H3030FJ Cutler Hammer, Div of Eaton Disconnect Switches, R9 Series Eaton, FREE SHIPPING | 99.6% |

The Eaton R4H3030FJ is a fusible H-frame, model J30A, designed for use in heavy-duty applications requiring reliable overload protection for electrical circuits. This fusible frame is an essential component of an electrical system, providing a critical safety function by melting fuses in the event of an overcurrent condition.
The R4H3030FJ fusible H-frame is constructed from high-quality materials, ensuring durability and longevity in demanding environments. Its H-frame design allows for easy and efficient installation, as well as improved cooling performance compared to traditional fuse blocks. The frame is also designed with a low-profile, compact design to save valuable space in electrical enclosures.
This fusible H-frame is compatible with Eaton's J30A series fuses, which offer a wide range of current ratings from 5A to 250A. The fuses are designed to melt at predetermined temperatures, ensuring safe and effective overload protection for electrical circuits. The frame is also equipped with an easy-to-read labeling system, making it simple to identify the correct fuse for each circuit.
The Eaton R4H3030FJ fusible H-frame is designed to meet the highest safety standards, ensuring the protection of both people and equipment. It is UL listed and RoHS compliant, making it an ideal choice for applications in industries such as manufacturing, transportation, and construction.
With its robust construction, efficient design, and reliable overload protection capabilities, the Eaton R4H3030FJ fusible H-frame is an essential component for any heavy-duty electrical system. Whether you're working on a new project or maintaining an existing one, this fusible H-frame is the perfect choice to ensure the safe and efficient operation of your electrical circuits.
The Eaton R4H3030FJ fusible H-frame J30A is a hydraulic cooling system designed for heavy-duty applications. This component is used to maintain the temperature of hydraulic fluids, preventing them from overheating and damaging the hydraulic system. Here are some pros and cons of buying this specific cooling system:
Pros:1. High Capacity: The Eaton R4H3030FJ is capable of handling a high volume of hydraulic fluid, making it suitable for heavy-duty equipment that requires a large cooling capacity.
2. Reliability: Eaton is a well-known brand in the hydraulic industry, and the R4H3030FJ cooling system is designed to be reliable and durable.
3. Safety: The fusible frame design of the cooling system ensures that the hydraulic fluid does not overheat, preventing damage to the hydraulic system and potential safety hazards.
4. Easy Installation: The cooling system comes with a pre-assembled frame, making installation easier and faster than other cooling systems.
5. High-Quality Materials: The cooling system is made of high-quality materials, ensuring that it can withstand the rigors of heavy-duty applications.
Cons:1. Cost: The Eaton R4H3030FJ cooling system can be more expensive than other cooling systems on the market, which may be a consideration for some buyers.
2. Size: Due to its high capacity and large size, the cooling system may not be suitable for smaller applications or equipment.
3. Complexity: The cooling system may be more complex to maintain than other cooling systems, requiring specialized knowledge and tools.
Conclusion:The Eaton R4H3030FJ fusible H-frame J30A cooling system is a high-capacity, reliable, and safe cooling solution for heavy-duty applications. However, its high cost and size may be a consideration for some buyers. Ultimately, the decision to purchase this cooling system depends on the specific requirements of the application and the budget of the buyer.
Recommendation:If you are in the market for a high-capacity cooling system for heavy-duty equipment, the Eaton R4H3030FJ cooling system is a strong consideration due to its reliability, safety features, and ease of installation. However, it is essential to weigh the pros and cons carefully and consider the specific requirements of your application before making a purchase.
Details:
Eaton fusible h-frame J30A / R4H3030FJ, new free USA shipping via USPS.
specifications indusswitch:
- brand: Eaton
- mpn: R4h3030fj
- part type: Frame
- material: Plastic
- switch style: Rotary
returns indusswitch:
- paid by: seller
- time: 30 days
- method: money back
- policy: returns accepted
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
offer indusswitch:
- started: april 1, 2026
- prices: $50.84–$477.16
- item condition:
- New – Open box
- Used
- For parts or not working
- New
- best offers: true
- options: ship-to-home
- availability: in stock
- in stock #: 5
- sold #: 10
payments indusswitch:
- wallet: google-pay
- other
- credit card: visa
shipping indusswitch:
- type: calculated
- service: usps ground advantage, ups ground, ups 2nd day air, ups next day air saver
- transit: 3-8 days
- carrier: usps, ups
- class: standard, expedited, one-day
seller indusswitch:
- # reviews: 61644
- city: walnut cove, north carolina
- rating: 100.0%
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