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  3. CUMMINS ONAN 306-4748

CUMMINS ONAN 306-4748 Contact Microswitch Inspected

306-4748 Cummins Onan Contact Aux Normal Side Microswitch Assembly . Tested And Inspected

( Brand: Cummins Onan ), ( Manufacturer Part Number: 306-4748 )

Review CUMMINS ONAN Contact Aux Normal Side Microswitch Assembly. Tested And Inspected

The Cummins Onan 306-4748 contact microswitch is an essential component of the Onan RV generator transfer switch system. This microswitch is designed to make and break the circuit when the generator is running or when it is turned off, ensuring safe and reliable power transfer between the generator and the RV electrical system.

The microswitch is a solid-state device, which means it does not have any moving parts, making it more durable and less prone to wear and tear compared to mechanical switches. It is designed with a gold-plated contact surface to ensure a good electrical connection and minimize the risk of corrosion.

The microswitch is designed to operate in harsh environments, with a temperature range of -40 F to 140 F (-40 C to 60 C). It is also sealed against moisture and dust, making it suitable for use in RV applications where the environment can be less than ideal.

When inspecting the Cummins Onan 306-4748 contact microswitch, several key features should be checked to ensure proper function. The first is the continuity of the contacts when the generator is running. This can be tested using a multimeter set to the continuity function. The contacts should be closed when the generator is running, indicating that power is being transferred to the RV electrical system.

The next feature to inspect is the normally open (NO) contact. When the generator is not running, the NO contact should be open, indicating that no power is being transferred to the RV electrical system.

Additionally, the microswitch's housing should be checked for signs of damage, such as cracks or signs of moisture intrusion. If the housing is damaged, the microswitch may no longer function properly and should be replaced.

Overall, the Cummins Onan 306-4748 contact microswitch is a critical component of the Onan RV generator transfer switch system, ensuring safe and reliable power transfer between the generator and the RV electrical system. Regular inspection of this component can help prevent potential issues and ensure the continued safe operation of the generator and RV electrical system.

The Cummins Onan 306-4748 contact microswitch is a component used in Onan RV generators for monitoring the generator's fuel level and controlling the fuel pump. Here are some potential pros and cons of buying a used or refurbished microswitch with an inspected status:

Pros:

1. Cost-effective: Buying a used or refurbished microswitch can save you a significant amount of money compared to purchasing a new one.

2. Availability: Used or refurbished parts are often easier to find than new ones, especially for older RV models or discontinued parts.

3. Tested and Inspected: An inspected microswitch means that it has been tested and evaluated by a professional to ensure that it is in good working condition.

4. Time-saving: Replacing a faulty microswitch with a tested and inspected one can save you time and effort compared to diagnosing and repairing the issue yourself.

Cons:

1. Risk of undetected damage: While an inspected microswitch is more reliable than an untested one, there is still a risk of undetected damage that could lead to future issues.

2. Compatibility: Make sure that the used or refurbished microswitch is compatible with your specific RV model and generator make and model.

3. Limited warranty: A used or refurbished microswitch may not come with a warranty, or the warranty may be limited in scope.

Conclusion:

The decision to buy a used or refurbished Cummins Onan 306-4748 contact microswitch with an inspected status depends on your specific circumstances and priorities. If you are looking to save time and money, and you are confident in the seller's reputation and inspection process, then buying a used or refurbished microswitch could be a good option. However, if you prefer the peace of mind that comes with a new part and a comprehensive warranty, then you may want to consider purchasing a new microswitch instead. Ultimately, it is important to carefully evaluate the seller, the inspection process, and the potential risks and benefits before making a purchase.

Recommendation:

If you decide to buy a used or refurbished Cummins Onan 306-4748 contact microswitch, make sure to purchase it from a reputable dealer or seller with a good track record and a thorough inspection process. Additionally, be sure to ask for detailed information about the microswitch's condition, compatibility with your RV and generator, and any warranties or guarantees that are offered. Finally, be prepared to perform any necessary installation or modification work yourself, or hire a qualified technician to do it for you.

Details:

With a focus on quality and durability, the 306-4748 Contact Aux Microswitch Assembly guarantees smooth efficient operation. The 306-4748 Contact Aux Microswitch Assembly is a tested and inspected part made by Cummins Onan.

part #: 3064748 price

  • $129.00

specifications generatormac:

  • brand: Cummins Onan
  • mpn: 306-4748

offer generatormac:

  • availability: In Stock
  • sold: 0
  • started: March 2, 2026
  • quantity: 6
  • options: Ship-to-home

payments generatormac:

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

returns generatormac:

  • policy: No Returns

seller generatormac:

  • city: Des Plaines, Illinois
  • # reviews: 86
  • rating: 100.0%

general generatormac:

  • Business Industrial > Light Equipment Tools > Generator Parts Accessories
  • condition: Used

shipping generatormac:

  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • cost: $8.87
  • type: Calculated
  • transit: 3-7 Days
category: business & industrial > generator parts accessories, sku: 10015277048042663,

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1 offer $129.00 USD
  • Offer #1: $129.00 price + $8.61 shipping estimate = $137.61* total. R1 The Contact Aux Microswitch Assembly is a tested and inspected part made by Cummins Onan.+$8.61 shipping

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