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In-line 30-amp Type I circuit breaker cycles automatically and continuously during an over-current condition. Composite alloy material will bend and separate the contacts when an over-current situation occurs and return to the run mode as it cools.
Features:
Specs:
Note: 12V circuit breakers are not recommended for 24V applications since the materials are heat-affected rather than current-affected.
Ratings & Reviews
Thanks
Item as described, delivered on time
Product as described. Shipped in box. Very pleased!
Fit and function as stated.
Works fine
Still works, simple device...
Perfect fit for my application. Curt brake controller, extra sheathed wire, breaker and pigtail! Etrailer videos are a great help for any dyi buyer.
Thank goodness someone still stocks really old parts for doing refurbs on our antique RVs!!!
Got the exact part I needed and the additional information you sent should eliminate any additional questions or problems.
Works great but would have liked them to come with covers.
Product was an excellent purchase that has worked out beyond my expectations.
When I need trailer things this is where I go. Thanks for the fast ship.
Great service, and research given with the representative to order the correct parts needed. I am a returning customer for this reason and will again in the future.
Very quality device, easy to install and small but not 'too small'!
Product as described. Battery to the copper terminal and source on silver terminal.
Needed to replace one on my camper. etrailer.com had it and got it right out to me.
Ended up not needing this. But keeping it with the spare trailer stuff. Easy to change and I’ve learned you’ll never know when you’ll need one.
It's always a pleasure doing business with etrailer. Prompt service, shipping and products. Not to mention their wonderful -How to videos-!
Love this company!
After ordering and receiving this item I didn't like the primitive look, function, and exposed fit. Also, my opinion: It should not be available without a terminal cover. I instead went with waterproof 30amp blade fuse holders (see picture, as installed in a 2021 Subaru Outback Onyx XT). In addition to the clean, professional look, I can easily remove the fuses to disconnect power when necessary.
Bought by mistake. I don't need it.
Item arrived ok. However, delivery did not meet expectations and timeframe you projected. I couldn't wait and had to get another one at last minute. I plan to return this item.
The switch arrived as expected, it appeared as the description stated, is installed in my travel trailer and is working fine so far.
Christopher H.
8/4/2026
Thanks for letting us know Samuel. Sounds like this is exactly what you needed.
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Info for this part was:
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Mark F.
7/17/2018
This thing is bulletproof. Never has even chattered.