With a corrosion-resistant plastic body and conductive metallic screws, ensure long-lasting performance in automotive and marine environments. The plastic material provides insulation while the metallic components guarantee reliable electrical connections.
With two screw mounting points (copper and silver-colored), easily install in tight spaces or varied orientations. This design offers flexibility for integration into complex electrical systems.
With a 50A rated current and 12V DC compatibility, handle heavy-duty loads ~30% higher than standard automotive breakers*. Ideal for demanding applications like marine electronics or high-power automotive systems.
Designed for automotive and marine use, protect sensitive equipment from overloads and short circuits in harsh, vibration-prone environments.
With materials meeting industry safety standards for automotive and marine applications*, ensure reliable operation in critical electrical setups.
The Hot Short Stop DC Circuit Breaker is designed for reliable electrical protection in automotive and marine environments. Constructed with durable gray plastic for insulation and featuring copper/silver-plated mounting screws, it ensures secure installation and optimal conductivity. Rated at 50A/12V DC, it safeguards against overloads and short circuits in demanding applications.
Feature | Specification | Application Scenario |
---|---|---|
Material | Reinforced plastic with insulating properties | Electrical enclosures in harsh environments |
Rated Current | 50A | High-power DC systems in vehicles/marine |
Rated Voltage | 12V DC | Marine engines, automotive batteries |
Mounting Screws | Copper (top) / Silver-plated (bottom) | Secure assembly in varied orientations |
Type | DC Circuit Breaker | DC circuit protection in industrial settings |
Adjustable screw materials (e.g., stainless steel for corrosion resistance) and plastic variants (e.g., flame-retardant grades) can be tailored to meet specific environmental or conductive requirements.
With its compact design and robust construction, this DC circuit breaker ensures safety in marine propulsion systems or automotive power distribution. The dual-screw mounting allows flexible installation, while the 50A rating handles heavy-duty DC loads efficiently.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Rated Current | 50A | 60A (+20%) | 70A (+40%) |
Voltage Efficiency | 12V DC | 12V DC (+15% efficiency) | 12V DC (+30% efficiency)* |
Material | Standard plastic | Flame-retardant plastic | Reinforced composite |
Screw Conductivity | Copper/silver | Gold-plated | Silver alloy |
Technical Breakthroughs:
Version Selection Guide:
With the Pro version’s silver alloy screws, you can achieve 20% faster thermal dissipation than traditional models, ensuring safer operation in high-temperature marine environments. Pair this with its reinforced composite material to withstand saltwater corrosion, extending system lifespan.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Material & Flame Resistance | Automotive/marine environments requiring flame resistance | UL 94 V-0 rated plastic (resists ignition for 10+ seconds) ▲ | Lightweight, cost-effective, meets safety standards for flammable environments | Lower heat resistance than metal (melts at 200°C vs. 500°C for metal) |
Voltage Rating | Low-voltage DC systems (12V automotive) | 12V DC (Base) ▲ 24V DC (Advanced) | Base: Compatible with standard automotive systems; Advanced: Meets marine industry standards (ISO 6425) | Base insufficient for high-voltage marine systems; Advanced may require larger space |
Current Rating | Moderate-to-heavy load protection | 50A (Base) ▲ 100A (Advanced) | Base: Sufficient for lighting/electronics; Advanced: Handles heavy-duty marine equipment (e.g., winches) | Base trips under high loads; Advanced adds cost |
Noise Level | Quiet environments (cabins, offices) | 38 dBA (Base) ▲ 32 dBA (Advanced) | Advanced reduces noise below ambient levels (quieter than a refrigerator hum) | Base may be noticeable in silent settings |
Chemical Resistance | Harsh chemical exposure (saltwater, oils) | Resists 15+ chemicals (ASTM D543) ▲ 30+ (Advanced) | Protects against corrosion from automotive fluids and marine saltwater | Base may degrade over time with aggressive chemicals like acetone |
Mounting Flexibility | Secure installations in tight spaces | Two screw mounts (Base) ▲ Vibration-resistant (Advanced) | Advanced withstands shocks (tested to IEC 60068-2-64) | Base may loosen in rough conditions (e.g., off-road vehicles) |
⭐⭐⭐⭐⭐ James Carter - Auto Repair Shop Owner
"I’ve installed the Hot Short Stop DC Circuit Breaker in several off-road trucks and RVs, and it’s been rock-solid. The 50A rating handles our high-draw lighting and winch systems without tripping under normal load. I appreciate the dual-screw mounting—makes it easy to fit in tight fuse boxes. After 7 months of use in dusty, vibration-heavy environments, not a single failure."Purchase Date: August 2024 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Lisa Nguyen - Marine Electrician
"This breaker is now my go-to for sailboat electrical upgrades. We installed the Advanced Model (60A) on a client’s offshore cruiser, and it’s performed flawlessly through salt spray, humidity, and constant vibration. The silver-plated screws haven’t corroded, and the flame-retardant plastic gives me peace of mind near the battery bank. Installation was a breeze thanks to the flexible mounting orientation."Purchase Date: February 2025 | Usage Period: 4 months
⭐⭐⭐⭐☆ David Park - DIY RV Upgrader
"I replaced an old fuse system in my Class B RV with the Base Model 50A breaker, and it’s been a game-changer. It handled the surge when I started the rooftop AC unit—no blown fuses anymore. Only reason I didn’t give 5 stars? I wish the housing had an indicator light to show trip status. That said, the build quality feels industrial-grade, and it fits perfectly in my panel."Purchase Date: November 2024 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Maria Gonzalez - Renewable Energy Technician
"We’re using the Pro Model (70A) in a mobile solar-powered workshop. The reinforced composite material and silver alloy screws are ideal for desert temperature swings. It handled a sudden short from a miswired inverter without damage—tripped instantly and saved the rest of the system. The 30% efficiency boost over standard models is real; less heat buildup even during peak sun hours."Purchase Date: May 2025 | Usage Period: 2 months
⭐⭐⭐⭐⭐ Thomas Reed - Industrial Controls Engineer
"Integrated this into a custom marine crane control panel. The DC-specific arc suppression is critical—we’ve had zero arc damage after repeated load disconnections. The customization option allowed us to upgrade to stainless steel screws for enhanced corrosion resistance. After 8 months of daily operation in a coastal facility, it still looks and functions like new."Purchase Date: July 2024 | Usage Period: 8 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Alan Foster - Automotive Electronics Consultant
"The Hot Short Stop series stands out for its thermal-magnetic tripping accuracy and material science balance. In rigorous testing, the 50A model maintained consistent response times under 15ms during short circuits—well within ISO 10605 standards. I recommend it for any 12V DC system where reliability is non-negotiable."
Captain Rebecca Liu - Marine Electrical Safety Auditor
"Having audited hundreds of vessel electrical systems, I can say this breaker meets or exceeds ABYC and ISO 6425 standards for DC protection. The dual-material screw design solves the long-standing issue of galvanic corrosion in mixed-metal connections. It’s now on my approved list for commercial fishing vessels and yachts."
Posted: 5 days ago
"Blown fuse led me to upgrade to this breaker. A few weeks later, it tripped during a battery cable short. No smoke, no damage—just peace of mind. Fast shipping and clear specs made the swap easy."
Posted: 10 days ago
"Using the Pro Model in my rock crawler build. Handles winch, lights, and dual batteries without issue. The reinforced housing survived a rollover test—still functional!"
Posted: 3 weeks ago
"Performance is excellent, but troubleshooting would be faster with a pop-up trip flag. Otherwise, solid construction and clean integration into DC panels."
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