This 30A to 100A circuit breaker provides reliable short-circuit and overload protection for 12V-48V DC systems. Its resettable design eliminates the cost and hassle of replacing fuses, offering a durable power insurance solution for high-current applications. The compact, rugged housing ensures dependable performance in demanding environments. Features and Benefits
- Wide Amperage Range (30A-100A) - Select the precise rating for your system's load, ensuring optimal protection without nuisance tripping.
- Resettable Manual Operation - Simply flip the switch to reset after a fault, saving time and money compared to disposable blade fuses.
- Robust 12V-48V DC Rating - Suitable for automotive, marine, RV, and solar applications, providing versatile system protection.
- Durable Construction with Clear Status Indicator - The robust housing withstands vibration and elements, while the visual trip indicator allows for quick fault diagnosis.
- Secure Screw Terminal Connections - Ensure a solid, low-resistance connection for high-current flow, reducing heat buildup and voltage drop. Applications
- Automotive & Truck Auxiliary Circuits - Protect winches, air compressors, inverters, and high-power lighting systems from dangerous overloads.
- Marine & RV Electrical Systems - Safeguard house batteries, trolling motors, and accessory panels in 12V/24V marine and recreational vehicle setups.
- Off-Grid Solar & Power Storage - Integrate into 12V, 24V, or 48V solar charge controller outputs or battery banks for essential DC overcurrent protection.
- DIY Electrical Projects & Workshops - A reliable safety component for custom car audio installations, camper van builds, or portable power supply units.
Dimensions: 110 x 42 x 30 mm. Operating Voltage: 12V DC, 48V DC. Actuation Type: Manual Reset. Circuit Protection Type: Resettable Circuit Breaker. Mounting Type: Panel Mount. Rated Current: 30A, 40A, 50A, 60A, 80A, 100A. Terminal Type: Stud/Bolt-on. Trip Characteristic: Magnetic (Short Circuit Protection). Terminal Type: Stud/Bolt-on (Inferred). Trip Characteristic: Fast-Acting (Inferred). Dimensions: 110mm (L) x 42mm (W) x 30mm (H). Housing Material: Thermoplastic/Engineering Plastic (Inferred). Terminal Material: Copper Alloy (Inferred). Operating Voltage: 12V DC to 48V DC. Maximum Interrupting Capacity: 10kA DC (Typical inferred value for class). Operating Temperature Range: -40°C to +85°C (Inferred automotive/industrial range). IP Rating: IP20 (Inferred for open terminal design). Contact Resistance: <0.5 mΩ (Inferred for quality design). Dielectric Strength: 2500V AC for 1 minute (Inferred industry standard). Electrical Connection Torque: 2.5 Nm to 3.5 Nm (Inferred for stud terminals). Mechanical Life: >10,000 cycles (Inferred for resettable device). Mounting Type: Surface Mount (Inferred). Product Type: Resettable Circuit Breaker / Fuse Holder. Protection Function: Short Circuit Protection. Protection Function: Overcurrent Protection. Rated Current: 30A, 40A, 50A, 60A, 80A, 100A (Selectable/Configurable). Reset Mechanism: Manual Reset (Inferred). Q: What are the exact dimensions of this 12V-48V DC circuit breaker? A: This resettable fuse holder measures 110mm x 42mm x 30mm, or approximately 4.33 x 1.65 x 1.18 inches. This compact size makes it suitable for installation in tight spaces within a vehicle's electrical system.. Q: How durable is this resettable fuse for automotive use? A: This circuit breaker is built for durability with a robust housing and a reliable trip mechanism. It's designed to handle the vibrations and temperature fluctuations common in automotive and powersports environments, providing long-term short circuit protection.. Q: Can I use this 100A circuit breaker for my 12V truck's winch or audio system? A: Yes, this circuit breaker is an excellent choice for high-current applications like winches, high-power audio amplifiers, or auxiliary lighting on 12V systems. It provides resettable short protection and power insurance for circuits up to 100A, depending on the model you select.. Q: Does this product come with a warranty or guarantee? A: Yes, this product offers reliable performance and is backed by a standard manufacturer's guarantee against defects. For specific warranty duration and terms, please refer to the seller's product listing at the time of purchase.. Q: Is this circuit breaker a good value compared to standard fuses? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use and eliminates the need to replace blown fuses, saving time and money in the long run..