300 Amp Circuit Breaker
FailShoppers spend an estimated $49K a year here, so 300 Amp Circuit Breaker is a Fail.
- Flapen Score
- 49 / 100Ranks 3,500 of 7,287 Automotive niches · on the category median49
- Market size
- $49K/yr24K searches / yr
- 90-day growth
- +3.4%search demand this quarter
- Competition
- 60%top-5 click share · 14 brands · 32 sellers
Flapen Score
300 Amp Circuit Breaker against its category
The dotted line is the Automotive average. Past it, 300 Amp Circuit Breaker is stronger. Inside it, weaker.
Market
The 300 Amp Circuit Breaker market on Amazon at a glance
Shoppers on Amazon United States searched for 300 Amp Circuit Breaker 24K times last year and spent an estimated $49K. The top 5 brands take 71% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 7.1% of those searches ended in a purchase.
Shoppers searched for this 24K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.1% of those searches ended in a purchase. Searches in the last 90 days moved +3.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $49K a year.
- Searches, last 12 months
- 24K
- Growth, 90 days vs prior 90
- +3.4%
- Conversion, latest week
- 7.1%
- Market size, estimated
- $49Ka year
- Top search term
- 300 amp circuit breaker9K searches a year
02 · Price
A sale here is worth $28.56.
Listings sell for $28.56 on average, from $10.97 to $64.93. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At $28.56 that is $0 to $3K a year per listing.
- Average price
- $28.56inside the $15 to $100 sweet spot
- Price range
- $10.97–$64.93
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 2.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
91% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.5% of listings are out of stock. The average listing ranks #148 within Switches & Relays. It carries 107 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 91%
- Prime listings
- 100%
- Out of stock, average day
- 0.5%
- Average rank
- #148in Switches & Relays
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 107per listing
- Listings tracked
- 23
04 · Newcomers
1 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.
- Launched, last 12 months
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 60 months
Products
Top 300 Amp Circuit Breaker products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
RED WOLF 300A Circuit Breaker Fuse Holder 3/8 Screw Studs w/Manual Reset Switch DC 12-24V for Boat Trolling Motor Marine ATV Trailer Vehicles Stereo Audio Electronic Battery Solar System
- Price
- $18.39
- Rating
- 4.5/5
- Reviews
- 194
- Age
- 2y ago

Bolipoeq 300Amp Circuit Breaker DC 12V-48V for Marine Boat Trolling Motor Automotive RV Trailer Car Solar System Battery Disconnect with Manual Reset Switch IP67 Waterproof (Pack of 2)
- Price
- $18.18
- Rating
- 4.5/5
- Reviews
- 195
- Age
- 1y ago

T Tocas E9 300A Amp Circuit Breaker Manual Reset Switchable 12V-48V
- Price
- $33.00
- Rating
- 4.6/5
- Reviews
- 92
- Age
- 10y ago

Hamolar 3 Pack 300A Circuit Breaker with Manual Reset Fuse Holder for Car Audio Marine Boat Stereo Switch with Wire Lugs Copper Washer
- Price
- $24.06
- Rating
- 4.4/5
- Reviews
- 414
- Age
- 5y ago

Erayco 300 Amp Circuit Breaker with Manual Reset 12-48 Volt DC 0-8 Gauge Trolling Motor Car Stereo Audio Inline Fuse Block Holders Inverter for Automotive Rv Marine Boat (300A)
- Price
- $19.60
- Rating
- 4.4/5
- Reviews
- 232
- Age
- 4y ago
Trending
estimated 90-day click momentum
300 Amp Circuit Breaker with Manual Reset Waterproof DC 12V-48V Breaker for Heavy-Duty Winch Inverter Truck Boat 300A 12V Circuit Breaker Battery Disconnect Switch
- Price
- $22.95
- Rating
- 4.1/5
- Reviews
- 11
- Age
- 4mo ago

Sandfren 300A Car Resettable Circuit Breaker Manual Reset Button Self Recovery Circuit Breaker with Waterproof Cover Automotive Audio & Amps Protection Universal for Vehicles
- Price
- $10.97
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 8mo ago

Tiwerlfe 300 Amp Circuit Breaker with Manual Reset Waterproof Inline Fuse for Car Boat Trolling Motor ATV Manual Power Protect for Audio System Fuse 12V-48V DC
- Price
- $13.53
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 2y ago

Bolipoeq 300Amp Circuit Breaker DC 12V-48V for Marine Boat Trolling Motor Automotive RV Trailer Car Solar System Battery Disconnect with Manual Reset Switch IP67 Waterproof (Pack of 4)
- Price
- $28.85
- Rating
- 4.5/5
- Reviews
- 195
- Age
- 1y ago

EPLZON 300A 12-48 Volt DC Self Recovery Circuit Breaker with Manual Reset Button for Automotive Rv Marine Boat (300Amp)
- Price
- $18.88
- Rating
- 4.7/5
- Reviews
- 105
- Age
- 3y ago
Newest
by launch date
300 Amp Circuit Breaker with Manual Reset Waterproof DC 12V-48V Breaker for Heavy-Duty Winch Inverter Truck Boat 300A 12V Circuit Breaker Battery Disconnect Switch
- Price
- $22.95
- Rating
- 4.1/5
- Reviews
- 11
- Age
- 4mo ago

Sandfren 300A Car Resettable Circuit Breaker Manual Reset Button Self Recovery Circuit Breaker with Waterproof Cover Automotive Audio & Amps Protection Universal for Vehicles
- Price
- $10.97
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 8mo ago

BULVACK E9 3/8 Studs 300 Amp Circuit Breaker with Manual Reset for Automotive Boat ATV Vehicles Stereo Car Audio | 12V - 48V DC | Waterproof IP67 Switchable Hi-Amp 300A - Extended Surface Mount
- Price
- $31.73
- Rating
- 4.9/5
- Reviews
- 16
- Age
- 10mo ago

RED WOLF 300A Circuit Breaker Switch Manual Reset DC 12-24V 5/16-M8 Stud for Car Audio RV Marine Boat Truck Trolling Motors Stereo Audio Electronic Battery Solar System
- Price
- $29.16
- Rating
- 4.2/5
- Reviews
- 25
- Age
- 1y ago

Bolipoeq 300Amp Circuit Breaker DC 12V-48V for Marine Boat Trolling Motor Automotive RV Trailer Car Solar System Battery Disconnect with Manual Reset Switch IP67 Waterproof (Pack of 2)
- Price
- $18.18
- Rating
- 4.5/5
- Reviews
- 195
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 falling
Sellers
32
Est. top-5 brand share
71%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 97%
Open market
22%
- RED WOLF23%
- Bolipoeq17%
- T Tocas13%
- DIHOOL10%
- Hamolar7%
- Erayco7%
Search terms
Top 300 Amp Circuit Breaker search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 300 amp circuit breaker9K/yr
- 400 amp circuit breaker 12v5K/yr
- 400 amp breaker4K/yr
- 300 amp circuit breaker 12v5K/yr
- 300 amp breaker2K/yr
Reviews and returns
What reviews say buyers love and hate about 300 Amp Circuit Breaker
We read the reviews and the return reasons for every product selling here.
“Cheaply made”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 300 Amp Circuit Breaker questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









