{"product_id":"dihool-160a-dc-circuit-breaker-240v-panel-mounted-thermal-magnetic-master-switch","title":"DIHOOL 160A DC Circuit Breaker — 240V Panel-Mounted Thermal-Magnetic Master Switch","description":"\u003cp\u003e\u003cstrong\u003eThe DIHOOL Main 160 Amp DC Circuit Breaker is a heavy-duty thermal-magnetic master switch that protects and isolates 12–250V DC and 90–240V AC systems in vehicles, boats, RVs, and battery arrays.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, panel-mounted disconnect combines high short-circuit breaking capacity with silver-alloy contacts for reliable conductivity and long service life. Designed for DC battery banks, photovoltaic arrays, UPS racks, marine installations and mobile power systems, the breaker provides overload, short-circuit protection and a manual isolation function so you can cut power quickly and safely during maintenance or emergencies.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the DIHOOL 160A breaker protect my electrical system?\u003c\/h3\u003e\n\u003cp\u003eThe unit uses a thermal-magnetic trip mechanism that responds to prolonged overloads (thermal) and sudden high-current faults (magnetic). That dual-action design minimizes nuisance trips while ensuring fast interruption during dangerous short-circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal-magnetic trip for both overload and instant fault detection\u003c\/li\u003e\n  \u003cli\u003eShort-circuit breaking capacity rated at 25 kA for rapid interruption\u003c\/li\u003e\n  \u003cli\u003eHigh silver-content contacts (30% moving, 45% stationary) for stable conductivity\u003c\/li\u003e\n  \u003cli\u003eManual disconnect lever to isolate circuits for maintenance or safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat voltages and applications are compatible with this master switch?\u003c\/h3\u003e\n\u003cp\u003eThe DIHOOL breaker is specified for DC systems from 12 V up to 250 V and AC use from 90 V to 240 V, making it versatile across automotive, marine, solar and backup power installations. It’s commonly fitted where a robust battery disconnect or main protection device is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDC: 12–250 V suitable for battery banks and trolling motors\u003c\/li\u003e\n  \u003cli\u003eAC: 90–240 V compatibility where AC isolation is needed\u003c\/li\u003e\n  \u003cli\u003eTypical uses: car, RV, boat, marine, photovoltaic arrays, UPS and datacenter battery racks\u003c\/li\u003e\n  \u003cli\u003ePanel-mounted design with screw holes for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow big is the breaker and how do I mount it?\u003c\/h3\u003e\n\u003cp\u003eThe housing measures 164 mm × 43 mm × 108 mm and is designed for secure panel attachment using screws. The form factor keeps the footprint small while providing clear terminal access for heavy-gauge cabling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact dimensions: 164mm x 43mm x 108mm for tight spaces\u003c\/li\u003e\n  \u003cli\u003eMounts through-panel with standard screw fittings\u003c\/li\u003e\n  \u003cli\u003eTerminals sized for high-current battery or busbar connections\u003c\/li\u003e\n  \u003cli\u003eDurable construction suited to vehicle and marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and performance details improve durability?\u003c\/h3\u003e\n\u003cp\u003eContact metallurgy and short-circuit rating are key to long-term reliability. The DIHOOL breaker’s contacts use higher silver content where it matters most, and the device is rated to interrupt high fault currents safely without welding shut.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e30% silver in moving contacts and 45% in stationary contacts for low-resistance connections\u003c\/li\u003e\n  \u003cli\u003e25 kA short-circuit breaking capacity to clear heavy faults\u003c\/li\u003e\n  \u003cli\u003eThermal-magnetic trip mechanism resists nuisance trips while protecting equipment\u003c\/li\u003e\n  \u003cli\u003eBuilt for frequent switching and harsh electrical environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The DIHOOL Main 160 Amp DC Circuit Breaker is aimed at installers, fleet technicians, marine electricians, off-grid homeowners and DIYers who need a dependable primary disconnect that combines high interrupting capacity with clear manual isolation. Choose this breaker when you require a compact, panel-mounted master switch to protect battery banks, solar systems, UPS racks, vehicles and boats without compromising conductive performance or safety.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this breaker handle a 12V trolling motor setup?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — rated for 12–250V DC and 160A continuous, it suits 12V battery-driven trolling motor and similar marine loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does it require professional wiring or can I install it myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Panel mounting is straightforward, but high-current wiring and correct torque require basic electrical skills or a certified installer for safety.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DIHOOL","offers":[{"title":"Default Title","offer_id":56830859510100,"sku":"B0CLQY899Z","price":58.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/dihool-front-panel-main-switch.jpg?v=1787008563","url":"https:\/\/gardenluxe.co.uk\/products\/dihool-160a-dc-circuit-breaker-240v-panel-mounted-thermal-magnetic-master-switch","provider":"Gardenluxe Uk","version":"1.0","type":"link"}