{"product_id":"dihool-160-amp-dc-circuit-breaker-for-car-rv-marine-and-more","title":"DIHOOL Main 160 Amp DC Circuit Breaker - Heavy Duty Battery Disconnect","description":"\u003cp\u003eOur review of the DIHOOL Main 160 Amp DC Circuit Breaker finds it best suited for hobbyists and professionals who need a robust battery disconnect and overload protector for DC systems. The single biggest reason to buy is its combination of thermal magnetic trip protection and high short-circuit breaking capacity, which together make it a dependable master switch for boats, RVs, trucks, solar battery banks and UPS installations. Installers will appreciate its panel-mount design and the heavy-contact silver content that prioritizes long-term conductivity and wear resistance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal magnetic trip:\u003c\/strong\u003e Provides reliable protection against sustained overloads and instantaneous short circuits to protect wiring and connected equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh silver contact content:\u003c\/strong\u003e Uses 30% silver in moving contacts and 45% in stationary contacts to reduce contact resistance and improve durability under heavy current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide working voltage range:\u003c\/strong\u003e Supports DC 12V to 250V and AC 90V to 240V, making it versatile across automotive, marine and general DC power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong breaking capacity:\u003c\/strong\u003e Rated to interrupt up to 25kA short-circuit currents, offering significant protection in high-fault scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel-mount installation:\u003c\/strong\u003e Designed to be secured through screws into a panel, which keeps the switch accessible and tidy in installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation function:\u003c\/strong\u003e Acts as a master disconnect to safely isolate battery banks or equipment during maintenance or emergencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe DIHOOL 160 Amp breaker is aimed at DIYers, marine and RV owners, and small commercial installers who need a compact, high-capacity DC disconnect with both overload and short-circuit protection. It is particularly useful where a dedicated master switch is required for battery isolation in photovoltaic arrays, UPS systems, datacenters with battery racks, trolling motor circuits, or multi-battery vehicle setups.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere are users needing an ultra-compact inline breaker for tight spaces without panel mounting or buyers requiring integrated racking or enclosure accessories; this unit is a panel-mounted device and expects a screw-in installation and adequate panel depth.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRobust thermal magnetic trip functionality gives combined overload and short-circuit protection.\u003c\/li\u003e\n\u003cli\u003eHigh silver content contacts improve conductivity and longevity under heavy current loads.\u003c\/li\u003e\n\u003cli\u003eWide DC and AC working voltage range allows flexible use across systems.\u003c\/li\u003e\n\u003cli\u003e25kA breaking capacity offers security in high-fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires panel mounting through screws, which may not suit installations needing a free-hanging inline breaker.\u003c\/li\u003e\n\u003cli\u003eSize is relatively large compared with miniature breakers, so plan panel space accordingly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Type\u003c\/td\u003e\n\u003ctd\u003e160 Amp DC Circuit Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eThermal Magnetic Trip, Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12V~250V; AC 90V~240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Breaking Capacity\u003c\/td\u003e\n\u003ctd\u003e25kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Silver Content\u003c\/td\u003e\n\u003ctd\u003eMoving 30% \/ Stationary 45%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e164mm x 43mm x 108mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel mount via screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe DIHOOL Main 160 Amp DC Circuit Breaker is a solid choice for anyone who needs a rugged master switch with genuine short-circuit and overload protection for DC battery systems. Its high silver contact content and 25kA breaking capacity make it good value for marine, RV, solar and UPS applications where reliable isolation and long-term performance matter.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used on a solar battery bank?\u003c\/strong\u003e\u003cbr\u003eYes. The unit supports DC 12V to 250V and is suitable for photovoltaic battery isolation and protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is it mounted?\u003c\/strong\u003e\u003cbr\u003eIt is designed to be installed on a panel using screws; the physical size requires adequate panel depth and mounting space.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for marine use?\u003c\/strong\u003e\u003cbr\u003eYes. Its high breaking capacity and durable silver contacts make it appropriate for marine battery systems and trolling motor applications.\u003c\/p\u003e","brand":"DIHOOL","offers":[{"title":"Default Title","offer_id":48607880151259,"sku":"B0CLQY899Z","price":34.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61GGbaIXGGL._SL1430.jpg?v=1778373633","url":"https:\/\/gearmusthave.com\/products\/dihool-160-amp-dc-circuit-breaker-for-car-rv-marine-and-more","provider":"GearMustHave","version":"1.0","type":"link"}