{"product_id":"t-tocas-e9-150a-dc-circuit-breaker-manual-reset-12-48v-waterproof-ip67-ignition-protected","title":"T Tocas E9 150A DC Circuit Breaker Manual Reset 12–48V Waterproof IP67 Ignition-Protected","description":"\u003cp\u003e\u003cstrong\u003eThe T Tocas E9 is a 150A manual-reset DC circuit breaker that provides waterproof, ignition-protected overcurrent protection and acts as a reliable battery disconnect for 12–48V systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for marine, automotive, RV and off-grid DC applications, the E9 combines a compact, lightweight form with rugged materials and safety certifications. It replaces a standard 150A fuse with a resettable breaker that installs using 1\/4\"-28 threaded studs and an extended surface mount. The unit meets IP67 waterproofing and UL 94V-0 thermoplastic housing requirements while carrying SAE J1625, J1171, and UL1500 ignition-protection certifications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the E9 protect my 12V–48V DC system?\u003c\/h3\u003e\n\u003cp\u003eThe E9 interrupts excessive current with a Type III manual-reset mechanism, preventing sustained overloads and offering a quick way to disconnect power after a trip. Its design tolerates marine and automotive environments and can be manually reset by pressing the switch button once the fault is cleared.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResettable design replaces a 150A fuse for repeated protection cycles.\u003c\/li\u003e\n  \u003cli\u003eType III manual reset allows intentional disconnection and easy recovery.\u003c\/li\u003e\n  \u003cli\u003eCertified to SAE J1625, J1171 and UL1500 for ignition-protected use.\u003c\/li\u003e\n  \u003cli\u003eSuitable for 12V to 48V DC electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the E9 durable enough for marine and outdoor use?\u003c\/h3\u003e\n\u003cp\u003eThe E9 is built with an IP67-rated enclosure and UL 94V-0 thermoplastic housing to resist water ingress and flame propagation. Those features, combined with corrosion-resistant studs and a compact surface mount, make it appropriate for boats, trolling motors, and outdoor vehicle installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP67 waterproofing protects against immersion and heavy spray.\u003c\/li\u003e\n  \u003cli\u003eUL 94V-0 thermoplastic reduces flammability risk in confined spaces.\u003c\/li\u003e\n  \u003cli\u003eExtended surface-mount footprint for secure attachment and airflow.\u003c\/li\u003e\n  \u003cli\u003e1\/4\"-28 threaded studs designed for robust electrical connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installations and systems is this 150A breaker suitable for?\u003c\/h3\u003e\n\u003cp\u003eThe E9 fits a wide range of DC applications where a resettable 150A protection device is needed. Typical uses include marine battery banks, trolling motors, RV power systems, trucks, buses, battery chargers and DC audio setups that require both high current handling and ignition protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine systems: battery banks, trolling motors, and inboard\/outboard circuits.\u003c\/li\u003e\n  \u003cli\u003eAutomotive\/RV: starter\/auxiliary circuits, charging lines, and house loads.\u003c\/li\u003e\n  \u003cli\u003eCommercial vehicles: trucks and buses requiring ignition-protected breakers.\u003c\/li\u003e\n  \u003cli\u003eSpecialty: battery chargers and DC audio systems needing reliable overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I mount and wire the T Tocas E9 safely?\u003c\/h3\u003e\n\u003cp\u003eMount the breaker on a flat, accessible surface using the extended surface-mount base and secure connections to the 1\/4\"-28 studs with properly rated ring terminals and lock nuts. Ensure wiring follows polarity and current-carrying ratings, and place the breaker where manual reset access and ventilation are available.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 1\/4\"-28 ring terminals and correctly torqued nuts for reliable connections.\u003c\/li\u003e\n  \u003cli\u003eInstall in a dry, accessible location with space for manual reset operation.\u003c\/li\u003e\n  \u003cli\u003eMatch wire gauge to 150A continuous rating and follow vehicle\/marine wiring codes.\u003c\/li\u003e\n  \u003cli\u003eConfirm ignition-protection requirements when installed near fuel systems or battery compartments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The T Tocas E9 150A breaker is aimed at boat owners, RV enthusiasts, commercial vehicle technicians and anyone managing heavy-duty 12–48V DC circuits who prefers a resettable, compact, waterproof and ignition-protected protection device. If you need a dependable replacement for a 150A fuse or a robust battery disconnect that withstands harsh environments, the E9 offers certified safety and straightforward installation.\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: What voltage range does the E9 support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The E9 is rated for DC systems from 12V up to 48V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the E9 be used on boats?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is IP67 waterproof and certified SAE J1625\/J1171 for marine use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"T Tocas","offers":[{"title":"Default Title","offer_id":55167714132311,"sku":"B01F76VJ3I","price":40.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/t-tocas-e9-front-panel.jpg?v=1790391658","url":"https:\/\/britishgarage.co.uk\/products\/t-tocas-e9-150a-dc-circuit-breaker-manual-reset-12-48v-waterproof-ip67-ignition-protected","provider":"British Garage","version":"1.0","type":"link"}