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Littelfuse FHA200BP ATO Add-A-Circuit Kit

4.6 out of 5 stars 252 customer reviews
| 32 answered questions

Price: $8.48 & FREE Shipping on orders over $49. Details
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  • Turns one fuse slot into two while providing protection for both circuits
  • Use with ATO fuses up to 10 amps
  • Includes 3,5,7.5 and 10 amp fuses
6 new from $5.99

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$8.48 & FREE Shipping on orders over $49. Details In Stock. Sold by fendon and Fulfilled by Amazon. Gift-wrap available.

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  • Littelfuse FHA200BP ATO Add-A-Circuit Kit
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Total price: $22.85
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Product Information

Technical Details

Brand Littelfuse
Item Weight 0.6 ounces
Product Dimensions 2 x 2 x 0.3 inches
Item model number FHA200BP
Manufacturer Part Number FHA200BP
Folding No

Additional Information

ASIN B0002BGELQ
Customer Reviews
4.6 out of 5 stars 252 customer reviews

4.6 out of 5 stars
Best Sellers Rank #8,114 in Automotive (See top 100)
#4 in Home Improvement > Electrical > Breakers, Load Centers & Fuses > Fuses > Blade Fuses
Shipping Weight 0.8 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available April 5, 2007

Warranty & Support

Warranty, Parts:Parts

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Product Description

Littelfuse ATO Add a circuit kit allows easy installation of additional circuits without cutting or spicing. Turn one fuse slot into two while providing protection for both circuits. Maintains new car warranty. Use with ATO fuses up to 10 amps. Includes ATO 3, 5, 7.5 and 10 amp fuses. From the manufacture: adding a circuit, always use a circuit protection device with a fuseholder or fuse block whenever adding additional circuits to ensure optimal safety. The fastest, easiest option for installers who need to add a circuit for application such as electronic components, is Littelfuse's Add A Circuit Fuseholder. Add a circuit is available in ATO and MINI blade fuse versions, is designed to facilitate installation of fuses for accessories of 10 amps or less. The Add-A-Circuit adapts the fuse block to the installers needs, quickly turning one slot in the fuse block into two. This provides a safe, economical alternative to splicing or fuse taps.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Great product. Good quality. Came with several fuses (10, 5 and others). Came with instructions, so I knew where to connect the original fuse this guy was replacing (well, adding another circuit to, to be more precise).

I used to it wire LED strips that I installed on my car. Connected 'em to a fuse that gets power only when the engine is running, so I get good looking bright DRLs that look nice at night too.

Shipping was fast and packaging frustration-free.

Definitely recommended.
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Verified Purchase
I bought this to hook up an extra cigarette charger for my car's phone cradle. Unfortunately I didn't open my fuse box prior to purchasing and when I went to install, I found out it wouldn't work for me. Because this sits a little higher than a standard fuse, there are no spaces in my box that allow for it to fit (2001 Audi A4). Additionally, my car doesn't have any standard fuses under 15A and this device requires that it be under 10A each. They do make mini-ATM model for the smaller fuse types - turns out, this is what I need...

Solid product to reduce wiring hassles though.
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Verified Purchase
It doesn't get much easier than this. Pull out an existing fuse and plug this little guy in and you get an additional circuit while maintaining the original one. Way better than splicing into power lines in your vehicle's harness.
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Verified Purchase
I was hard wiring a radar detector in my car and thought I was going to have to splice a wire. This product was recommended to me and it worked out wonderfully.
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Verified Purchase
The Add-a-Circuit kit is a great idea to neaten up any interior work you do: without it you typically have to jam the device you want to wire into the fuse slot on one side, and force it to fit with the fuse in the socket. That works just fine, but this makes it a bit easier because the Littelfuse Add-a-Circuit plugs right into the fuse box and provides you a capped wire you can use to hand-splice in your device without having to fool with the fuse box socket.

It's important to note though that newer vehicles have a different sized fuse! You should check your fuse box not only to make sure you have these older fuses and not the 'mini', but also to see if this would still fit inside the fuse box and not get in the way of other fuses or the cover.
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By IckyDoo on December 27, 2013
Verified Purchase
This made my wiring job so much easier than finding a wire to tap into, plus you can remove it whenever you want.

Keep in mind that this will stick out a lot more than a regular fuse. Make sure you have enough clearance between the fuse panel and the cover, otherwise you may find that you won't be able to close the cover/box (if applicable). My fuse panel is located behind a pull out coin holder. After I installed the Add-A-Circuit, the coin holder would not stay closed. In my situation, I was able to move the entire fuse panel back a little to provide the extra space needed for the cover/change holder to close.

Also make sure youre buying the correct size for your car. (regular, mini, low profile, micro, etc...)
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Verified Purchase
Does exactly what is advertised. I popped in the correct amperage fuse and am running my dash cam off of this plugged into the same circuit as my radio. Key on = dashcam and radio come on, key out, dashcam and radio turn off.

Great little thing for powering up permanently installed (or at least long term) aux devices if you don't want an ugly 12V lighter adapter plugged in all the time.

Never knew these existed but I'm glad they do, they save a lot of potential for ugly wiring.

When wiring check your manual but my dashcam is wired with the 12V on the tap lead (the red one) that outputs 12V hot, then the black lead off the dashcam is attached to the metal under my dash that makes up the dash's frame.
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Verified Purchase
My first time working with car fuses so I goofed as my car only has an ATM fuse box. Otherwise, the inclusion of fuses is nice if you don't want a stockpile on hand; a little box of a few low voltage fuses will cost you 5 bucks or so.

I used an Add-A-Circuit to wire a dash cam with a mini usb kit. Works great. Piggybacked off my 15 amp power outlet fuse with a 2 amp. Although fuses don't have a right side up, the Add-A-Circuit seems to, as it didn't get power face-down. Something to keep in mind if you're having trouble. Otherwise, practically an instant install.
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