Marine & Automotive Circuit Breaker Manufacturer & Supplier
Factory-direct DC circuit breakers (10Aβ250A, 12V/24V/48V) for marine, RV, truck, and industrial use. Hi-amp, resettable, ignition protected. OEM/ODM customization, small batches welcome.
Why Choose Our Circuit Breakers?
- Β Global Compliance β Meets CE, SAE J1171 ignition protected, and UL standards
- Durable Materials β Built with UL 94V0 thermoplastic housings and copper alloy terminals
- OEM Customization β Support for circuit breaker logo engraving, labeling, and packaging
- Flexible Orders β Accept small-batch prototyping as well as bulk export orders
- Wide Selection β Available in resettable, thermal, and hi-amp circuit breakers trusted by global B2B buyers
Explore Our full circuit breaker product range:
Hi-Amp Circuit Breakers (E9 Series)
Wide Current Range (25β300A): Perfect for high-amp applications in trucks, buses, RVs, marine systems, battery chargers, and DC audio.
Rugged & Durable: Flame-retardant UL94V0 housing + copper alloy studs ensure long service life in harsh environments.
Waterproof & Ignition Protected: IP67 + SAE J1171 compliance, safe for use in bilge compartments and engine rooms.
Flexible Mounting: Available in surface mount & panel mount, easy integration into different electrical panels.
Customizable: OEM/ODM support with logo, labeling, and packaging customization.
Reliable Performance: High interrupt capacity (3000A) + visual trip indicator for quick troubleshooting.



Branch Disconnect Circuit Breaker
Dual Function in One β Combines a traditional battery disconnect switch with circuit protection, saving OEM cost and installation space
Wide Current Range β Rated 10β70A, 32V DC, suitable for automotive, marine, and RV applications
High Safety Standards β Complies with SAE J553 and SAE J1171 (ignition protected) for safe use in engine compartments and marine systems
Durable Construction β Made with UL 94V0 flame-retardant thermoplastic housing and tin-plated copper alloy terminals for long service life
Strong Electrical Performance β Interrupt rating of 1.5β3kA @14V DC, endurance tested to meet UL1107 requirements
Resettable Design β Equipped with a PUSH TO RESET button for quick and easy circuit restoration
Easy Installation β Standard panel mount with 1/4″-28 stud terminals for universal compatibility
Versatile Applications β Ideal for trucks, RVs, boats, solar energy systems, and automotive electrical systems



Mid-Range Circuit Breaker
Wide Current Range / β 10β70A, 32V DC, ideal for trucks, buses, RVs & marine power
Ignition Protected & Waterproof Β β SAE J1171 compliance + IP66 rating
Durable Construction /Β β UL 94V0 thermoplastic housing with elastomer overmold
High Interrupt Rating Β β 2.5kA fault protection per ABYC E-11 standard
Resettable Design β Manual reset with trip indication, push-to-trip option (Series 55)
Flexible Installation β Panel mount with #8-32 threaded inserts or #10 clearance holes
Certified Safety Β β SAE J1625, ABYC E-11, CE, SAE J1171
Applications of Our Circuit Breakers

π₯ Marine Circuit Breakers
Provide reliable protection for winches, bilge pumps, navigation electronics, trolling motors, and windlasses. Built with IP67 and SAE J1171 ignition protection, ideal for harsh marine environments and engine compartments.

π RV Circuit Breakers
Ensure safe and stable operation of refrigerators, LED lighting, heating systems, 12V/24V appliances, and solar charging systems. Resettable design makes them ideal for frequent use in mobile power applications.

π Automotive & Truck Circuit Breakers
Widely used in auxiliary power systems, HVAC units, electric winches, trailer connections, and distribution panels. High interrupt ratings up to 3kA protect vehicles against electrical faults and downtime.
Quality Assurance & Reliability Testing
πΉ Electrical Performance Tests
- 100% Carry / Max. Voltage Drop
- Overload Trip Rating β 135%
- Overload Trip Rating β 200%
- Effective Current Limitation (T1)
- Voltage Breakdown Test (T1 & T2 only)
Interrupt Capacity
πΉ Endurance & Cycling Tests
- Endurance Test @ 400% Rated Current
- T1: 30 min.
- T2: Battery 30 cycles
- T3: 100 Γ On-Off
- T1 Extended Test: 4 hours
- Transient Current Cycling
- No Current Trip / Reset Temperature
πΉEnvironmental Tests
Environmental Extremes Test
Temperature Test:-40C to +105C, 4cycled, 96hΒ
Humidity Test: ’10 DAYS, 38C, 95% RH,
Salt Fog Test : Salt mist 5%, 35C, 48 h,
Why It Matters
Proven Safety & Durability β Each breaker passes electrical, endurance, and environmental validation.
Real-World Reliability β Testing simulates overloads, short-circuits, and harsh conditions in marine, RV, automotive, and energy systems.
Certified Compliance β Fully meets CE, SAE J1171 ignition protected, SAE J1625, and ABYC E-11 standards for global applications.
FAQ
Whatβs the difference between a fuse and a circuit breaker?
π Fuses must be replaced once blown, while resettable circuit breakers can be reused, saving cost and maintenance time.
Are your breakers waterproof and ignition protected?
π Yes, we offer IP67 waterproof and SAE J1171 ignition protected circuit breakers, suitable for marine and engine compartments.
Do you offer surface mount and panel mount types?
π Yes, we supply both surface mount and panel mount designs for flexible installation.
What current and voltage ratings are available?
π Our breakers cover a wide range from 10A up to 300A, with 12V, 24V, and 48V DC ratings to match different applications.
What certifications do your circuit breakers have?
π All products comply with CE, SAE J1625, ABYC E-11, and SAE J1171 (ignition protected) standards
What industries typically use your breakers?
π They are widely used in marine vessels, RVs, trucks, buses, solar energy storage, and high-power DC audio systems.
Can I order small batches or request OEM branding?
π Yes, we support low MOQ orders and provide OEM/ODM customization including logos, labeling, and packaging.
How long is the typical lead time for orders?
π Standard models are usually available within 15 days, while OEM/ODM customization may take 20β30 days depending on quantity.
Do you provide datasheets and wiring diagrams?
π Yes, every model is supplied with technical datasheets, wiring diagrams, and installation guides, helping engineers and buyers integrate them easily.
How do you ensure quality and reliability?
π Each breaker undergoes 100% testing, including endurance, overload, and environmental resistance tests, to guarantee consistent performance.
Looking For The Right Breaker For Your Industry?
Contact us for OEM/ODM solutions.
Β With wide current ranges (10Aβ300A), thermal resettable designs, and OEM/ODM customization, our circuit breakers are engineered to meet the needs of marine, automotive, RV, solar, and specialty vehicle manufacturers worldwide.