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⚡ Stay powered, stay protected — the breaker that means business!
The Cooper Bussmann CB185 automotive circuit breaker delivers robust 70A current handling at 42VDC, designed for automotive and solar battery protection. Featuring a plug-in mount and manual reset, it offers quick installation and easy control. Built with thermoplastic materials and compliant with SAE and CE standards, it ensures durable, reliable circuit protection for professional-grade electrical systems.
| ASIN | B0024JKT9W |
| Best Sellers Rank | #1,383,939 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,368 in Automotive Replacement Circuit Breaker Switches #5,868 in Circuit Breakers |
| Brand | Bussmann |
| Brand Name | Bussmann |
| Circuit Breaker Type | Standard |
| Current Rating | 70 A |
| Customer Reviews | 4.8 out of 5 stars 13 Reviews |
| Included Components | Unit^Instruction Guide |
| Item Type Name | Automotive Accessories |
| Manufacturer | COOPER BUSSMANN |
| Model | CB185-70 |
| Mounting Type | Plug-In Mount |
| Number Of Poles | 1 |
| Number of Items | 1 |
| Number of Poles | 1 |
| Part Number | CB185-70 |
| UPC | 656403403100 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | 1 year manufacturer |
J**H
protecting battery bank
I have 4 deep cycle batteries I've been using for powering 12V wenches as well as an inverter. I wanted to be able to isolate the batteries from each other in case 1 battery went bad and shorted, as well as protect batteries from an external short. Currently using a 100 amp battery charger but eventually I will be installing several solar panels for charging. This so far seems perfect for the job. I connected each battery to it's own breaker then connected output of each breaker together. I connect to the output of the breakers for power as well as for charging batteries. This also works as an on/off switch as well, with a push of the breaker button the breaker disconnects the battery, push the side lever and breaker is reset to on. The only thing I wish was different is the tab next to the breaker's posts, it limits the angle you can connect the wire to the post. Without the tab there I could use a straight copper buss bar to connect all of the outputs instead of needing something that loops around it.
J**O
Four Stars
works for my solar system
R**E
Use it for trolling motor setup
Great protection for a trolling motor. Like that it has a reset which doubles as a quick disconnect at the batteries. Not sure of its longevity in marine service but batteries are in an enclosure. No issues through one full season.
O**N
Workers great
Great way to protect your audio system and great way to shut off the power while working with amps and power wires safetly
P**S
Runs great. I bought another on for my second weeder
Bought this to put on my weeder. . Runs great. I bought another on for my second weeder,
A**N
Five Stars
Quality. No problems with this. Swapped it in place of the painless fuse.
K**K
Good quality units
Good quality unit, sturdy construction.
D**.
Five Stars
The safest way to cut power and save your life.
Trustpilot
1 month ago
2 months ago