SORINA 300A Marine Battery Disconnect Switch, 12V-48V Waterproof Battery Cut Off Switch, Ignition Protected, Single Circuit, Heavy Duty ON/Off Power Kill Switch for Boat Car RV Truck ATV UTV, Red

Descripción

Single Circuit ON/OFF Battery Switch Protect your electrical system, prevent battery drain, and ensure safety with our heavy-duty Marine Battery Disconnect Switch. Built for marine-grade reliability, this single-circuit power switch is ideal for boats, yachts, RVs, trucks, and off-road vehicles. It lets you instantly cut power to your battery, eliminating parasitic drain, preventing fire hazards, and simplifying maintenance. Key Features & Benefits 1. Heavy-Duty Current Rating Rated for 300A continuous current, 500A 5-minute intermittent, and 900A 30-second cranking current, this switch handles high loads with ease. Compatible with 12V to 48V DC systems, it's perfect for large batteries, inverters, and high-power equipment. 2. Simple, Secure Operation The large, easy-to-grip rotary knob clearly marks ON/OFF positions for quick, one-handed operation, even with gloves. The “ignition protected” design ensures no sparks are emitted during use, adding an extra layer of safety in engine compartments. 3. Leak-Proof & Vibration-Resistant Sealed housing prevents water and dust from entering, while the robust terminal design ensures secure connections that won't come loose from engine vibration or rough seas. 4. Universal Mounting & Installation The compact square housing fits easily in tight spaces, and the included stainless steel mounting screws make installation quick and hassle-free. It works with both top-post and side-post batteries. Why Use a Battery Disconnect Switch? ● Prevent Parasitic Drain: Stop your battery from dying overnight due to small power draws from electronics. ● Enhance Safety: Cut power during maintenance, repairs, or emergencies to eliminate shock and fire risks. ● Prevent Theft: Disconnecting the battery renders your boat, RV, or vehicle inoperable as an anti-theft measure. ● Protect Electrical Systems: Isolate batteries during long-term storage to prevent corrosion and damage. Ideal Applications ● Marine Vessels: Boats, yachts, sailboats, and fishing boats for battery isolation and safety. ● RVs & Campers: Prevent battery drain during storage or when the vehicle is not in use. ● Automotive & Trucks: Classic cars, race cars, and work trucks for anti-theft and maintenance safety. ● Off-Road Vehicles: ATVs, UTVs, and 4x4s for reliable power control in rugged conditions. ● Solar & Off-Grid Systems: Isolate batteries in solar power setups and backup power systems. Features ● Disconnects single battery bank in emergencies, or when vessel is not in use Tin-plated copper studs ● (M10) provide maximum conductivity and Weather resistance ● One-piece to reduce risk of overheating ● 7/8" (22.22mm) length to accept multiple cable terminals Case design ● Allows surface mounting, front or rear panel mounting ● Accepts up to 4/0 AWG battery cables ● Removable knob for security and service lockout ● Removable isolator covers protect rear contacts Specifications Cranking Rating: 30 sec. 900A DC Intermittent Rating: 5 min. 500A DC Continuous Rating: 300A DC Terminal Stud(Tin-Plated Copper): M10 Cable Size to Meet Ratings: 4/0 AWG Maximum Voltage Rating: 48V DC Note ● Disconnect the positive terminal of the battery before installation. ● Desconecte el terminal positivo de la batería antes de la instalación. ● Consult a qualified marine electrician to ensure correct wiring. ● Consulte a un electricista naval cualificado para asegurar un cableado correcto. Installation Instructions ● It is recommended to connect one 4/0 AWG cable to each terminal to meet the rating requirements. ● Se recomienda conectar un cable de 4/0 AWG a cada terminal para cumplir con los requisitos de capacidad. ● The battery cable terminals must be secured under the nut and lock washer. ● Los terminales del cable de la batería deben fijarse con tuercas y arandelas de seguridad. Operating Instructions ● Turn all appliances off before turning the battery switch to OFF. ● Apague todos los aparatos eléctricos antes de colocar el interruptor de la batería en la posición de APAGADO(OFF). ● Do not switch to OFF while engine is running. ● No coloque el interruptor de la batería en la posición de APAGADO(OFF) mientras el motor esté en marcha. Package Includes ● 1 x Battery Disconnect Switch ● 4 x Stainless Steel Mounting Screws

Características

• 【Heavy-Duty 300A Continuous Cranking】This power switch is specially designed for harsh environments and features an ignition protection function. It supports continuous power supply of 300A, 500A for 5 minutes, and a 30-second startup capacity of 900A. This power switch is suitable for 12V/24V/48V DC systems and can effectively prevent current fluctuations during the startup process. It is highly suitable for use in ships, vehicles, and heavy equipment.
• 【Safety Protection】This marine battery emergency shutdown switch features a flame-retardant casing and IP66-level waterproof performance, making it suitable for humid, dusty or harsh environments. The spark-free design of this battery disconnect switch prevents the generation of sparks, enabling a safe power cut-off, which helps prevent leakage and reduces energy consumption. It can be used for the control and protection of electrical systems, ensuring the long-term stable operation of the electrical system.
• 【Durable Construction】This battery disconnect switch features tin-plated copper internal screws, which offer excellent conductivity and low power loss. This design helps prevent leakage at the battery switch location, significantly reduces energy consumption, protects the power supply, and enables safe disconnection of the battery connection. The sturdy ABS plastic casing ensures stable performance over the long term and extends the product's service life.
• 【Single Circuit On-off】This battery disconnect switch adopts a single-circuit on/off design with a rotating knob. Simply rotate the knob to the on or off position to control the power circuit, providing convenient and quick power control. The package includes installation screws. The separate base of the power switch can reduce interference from wires, and the detachable shell simplifies wiring and maintenance work. This is helpful for safer operation during subsequent maintenance.
• 【Wide Compatibility】This battery disconnect switch is applicable to various types of vessels, yachts, cars, campers, travel trailers, trucks, all-terrain vehicles, off-road vehicles, and various electrical systems. Disconnecting the battery connection when the electrical equipment is idle can prevent battery power consumption, extend the battery's service life, and protect the electrical system.
• 【Professional Support & Reliable Service】We provide 7×24 hours after-sales service and focus on customer experience and satisfaction. If you have any questions or quality issues about this battery kill switch, please feel free to contact us for timely solutions.

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