{"product_id":"t-tocas-100a-dc-circuit-breaker-e9-manual-reset-ip67-waterproof-12v-48v-protection","title":"T Tocas 100A DC Circuit Breaker E9 — Manual Reset, IP67 Waterproof, 12V–48V Protection","description":"\u003cp\u003e\u003cstrong\u003eThe T Tocas E9 is a 100 amp, manually resettable, IP67 waterproof DC circuit breaker designed to protect 12V–48V electrical systems in marine, automotive, and RV applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eCompact and built for harsh environments, the E9 replaces single-use fuses with a resettable switch that isolates battery power after overloads or short circuits. With UL-rated materials, threaded studs for secure connections, and ignition-protection certifications, this breaker is intended for permanent installation where reliability and corrosion resistance matter.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the E9 protect my 12V–48V system?\u003c\/h3\u003e\n\u003cp\u003eWhen current exceeds 100 amps, the E9 trips its internal mechanism to interrupt the circuit, preventing wiring and component damage. Instead of replacing a fuse, you press the manual reset once the fault is cleared to restore power.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100 amp trip rating suited for high-current DC circuits\u003c\/li\u003e\n  \u003cli\u003eManual Type III reset button for quick restoration\u003c\/li\u003e\n  \u003cli\u003eActs as both circuit breaker and battery disconnect switch\u003c\/li\u003e\n  \u003cli\u003eUseful for protecting trolling motors, chargers, and DC audio systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it withstand marine and outdoor conditions?\u003c\/h3\u003e\n\u003cp\u003eThe E9 is built for exposure: its UL 94V-0 thermoplastic housing and IP67 sealing block dust and water ingress. Corrosion-resistant studs and ignition-protection certifications make it appropriate for boats and other damp or vibration-prone environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP67 rated: dust-tight and temporary immersion protection\u003c\/li\u003e\n  \u003cli\u003eThermoplastic case meets flame-retardant UL 94V-0 standard\u003c\/li\u003e\n  \u003cli\u003eCertified to SAE J1625, J1171 and UL1500 for ignition-protection\u003c\/li\u003e\n  \u003cli\u003eExtended surface mount and sturdy studs for secure installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and wire the T Tocas E9?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: mount the breaker using the extended surface-mount base and make electrical connections to the 1\/4\"-28 threaded studs. Tighten terminals to manufacturer torque specs and position the reset button for easy access, keeping cabling clear of moving parts and heat sources.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/4\"-28 threaded studs for standard ring terminals\u003c\/li\u003e\n  \u003cli\u003eCompact, lightweight design saves panel space\u003c\/li\u003e\n  \u003cli\u003eMount on solid flat surface using the extended base flange\u003c\/li\u003e\n  \u003cli\u003eSuitable for inline battery protection on positive conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat equipment is compatible with this 100A breaker?\u003c\/h3\u003e\n\u003cp\u003eThe E9 is versatile across transportation and marine electrical systems. It protects high-current circuits such as starter feeds, inverter inputs, trolling motors, and multi-rail DC audio systems while functioning as a convenient battery disconnect.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoats: trolling motors, bilge pumps, and battery banks\u003c\/li\u003e\n  \u003cli\u003eRVs and campers: house battery and inverter protection\u003c\/li\u003e\n  \u003cli\u003eCommercial vehicles: buses, trucks, and accessory circuits\u003c\/li\u003e\n  \u003cli\u003eBattery chargers and DC audio amplifiers requiring 100A protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The T Tocas E9 100A manual reset circuit breaker suits boat owners, RV installers, fleet technicians, and DIY electricians who need a robust, reusable overcurrent protector rated for harsh environments. If you want a compact, UL-rated breaker that doubles as a battery disconnect and survives wet, vibration-prone installations, the E9 is built to meet those needs without frequent fuse replacements.\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: Is the E9 suitable for marine use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The E9 is IP67 waterproof and certified to marine ignition-protection standards like SAE J1171.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace a 100A fuse with this breaker?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The E9 is a resettable alternative to a standard 100A fuse and also serves as a battery disconnect.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"T Tocas","offers":[{"title":"Default Title","offer_id":55167887311191,"sku":"B01F76VJT2","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-view_6972b76b-5a1b-4c28-a10c-45113f41f2f1.jpg?v=1790395116","url":"https:\/\/britishgarage.co.uk\/products\/t-tocas-100a-dc-circuit-breaker-e9-manual-reset-ip67-waterproof-12v-48v-protection","provider":"British Garage","version":"1.0","type":"link"}