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Your cart is empty. BULVACK 12V- 48V DC 50A 80A 100A 150A 200A 250A 300Amp Auto Circuit Breaker with Manual Reset
Features:
-Stops power surges from damaging your amps, protects your trolling motor from electrical damage.
-Mount on panel or firewall unique push button reset can also be used as a kill switch
-No more spending money on replacing fuses
-Unique push button reset can also be used as a kill switch
-Good conductivity and craftsmanship, high temperature pressure
-Application: Typically used in auxiliary and accessory circuits for Boat, Trucks, Buses, Marine, RV and ATV applications. Also can used as an on/off button switch for the battery or DC sound system.
Specifications:
-Rated current: 50/80/100/150/200/250/300Amp
-Rated voltage: 12-48V DC Maximum
-Breaking capacity: 3000A @ 48V DC
-Manual Reset Circuit Breaker
-Yellow manual reset button
-Surface Mount, protective stud insulator included
-Ambient temperature: -32 °C to 82 °C (-25 °F to 180 °F)
-Storage Temperature: -34 °C to 149 °C (-30°F to 300°F )
Size: (LxWxH) 74 x 49 x 44 mm /2.9 x 1.9 x1.7 inch
Package Includes:
1 x 200A Circuit Breaker with Manual Reset
2 x 6AWG-1/4'' Wire Lugs
4 x M6 Copper Washers
2 x Self Tapping Screws
Note:
1. Please correctly push the button to avoid damage the Circuit Breaker.
2. Please order and use the Circuit Breaker with right work temperature, to avoid it is too heat and stop work.
Customer
Reviewed in the United States on September 10, 2024
works so far
To Protect the Innocent
Reviewed in the United States on July 29, 2024
This is the second one that has failed. They work at first but then they heat up and deform and over time they fail in unpredictable ways.Now I have the breaker from Bussman all is good. On Amazon only the Bussman is for real (and also the one from blue sea systems) Everything else is a cheap Chinese imitation.
Chadnic
Reviewed in the United States on July 11, 2024
I use this for a lift gate for a truck to protect the wire and use as an on/off switch so power isn't run to the gate at all times. It can handle the 450 amp inrush when it spins up without issue.These act more as a "slo-blo" fuse rather than an instant off circuit breaker inside certain ranges. They will blow instantly but only if you go way up in amperage.First off, remember, these aren't a fuse, they are a circuit breaker and their tripping or lack there of come down to several factors, including but not limited to:1. Rated current2. Ambient temperature3. Tripping current4. Tipping time5. Tripping rangeAnd more factors than this. With a mild overload within the correct voltage range it can take an hour for these things to heat up and trip. Thus as I mentioned, the "slo-blo" type of thing. There is something called a circuit breaker trip curve and an instantaneous trip amperage. All of this factors in. When rated at 300 amp like these, they don't instantaneously trip at 301A or whatever. Why? Because what if you have an item you turn on and it pulls 450 amps like my Tommy lift for a second or two while a motor spins up. You'd be tripping it all the time and calling it a piece of crap.On higher end versions of DC Circuit breakers (Marine, Aerospace etc.) you can actually set the instantaneous trip.Look around and you might be able to find the trip curve for breakers like this and get some idea of how this one will work for you if you're worried about it.To make good use of these and build in a safety margin, up your wire size by 1 and you'll be sure not to burn anything. Your wire should always be able to handle way more than your trip setting. So if you need to pull 250 amps constant, and use a 300 amp version of these, remember they could run for an hour possibly at 300 amps before they got hot enough to trip, where as, say 500 amps, would trip it instantly.Size wire accordingly.I hope you found this helpful.
Reg
Reviewed in Australia on March 18, 2024
Perfect circuit breaker at half the price. Thank you!
brian martin
Reviewed in the United States on March 12, 2024
Easy!
Vic N.
Reviewed in Canada on May 20, 2023
Good product I used the 300Amp breaker as a disconnect when storing my car. I installed the unit between the battery and + power wires.
Bob E
Reviewed in the United States on December 26, 2023
It was easy to install and wire. Wired my winch to it for added protection against a possible short.
cnote
Reviewed in the United States on December 18, 2023
I'm a truck driver and this has already saved me.
jeff lowdermilk
Reviewed in the United States on January 26, 2023
Works great on my boat only been on two weeks
Customer
Reviewed in Australia on May 26, 2022
Great compact size with easy mounting options and very well constructed attachments. Great product.
Dean
Reviewed in the United States on September 3, 2021
Feels sturdy, the product page reminded people to use the button and not pull the arm out to open the circuit, I can see that as a wise operational practice (Pulling the arm out would definitely shorten the products life).I'm not the type of person who breaks something to see how durable it is, so the unit has never been purposely overloaded, however with the care and quality control in manufacturing that is evident, I believe it is the safety valve I was looking for on my system.
Carey Johannesson
Reviewed in Canada on September 24, 2021
Well made and work well for my application.
kamel shoghi
Reviewed in Canada on July 13, 2021
it is working good thank you Amazon
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