{"product_id":"mcb-40-amp-dc-mini-circuit-breaker-2-pole","title":"MCB 40 Amp DC Mini Circuit Breaker 2 Pole","description":"\u003ch2\u003e📝 40A DC mini circuit breaker – 2 pole DIN rail\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e40A DC mini circuit breaker (2 pole)\u003c\/strong\u003e is designed to protect 12v, 24v, and higher-voltage DC electrical systems from overloads and short circuits. When current exceeds safe limits, the breaker automatically trips to protect wiring, batteries, and connected equipment.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003ecompact DIN rail mount design\u003c\/strong\u003e, this breaker is ideal for caravan, campervan, RV, solar, and off-grid electrical installations. The \u003cstrong\u003edual pole switching\u003c\/strong\u003e isolates both positive and negative lines, providing safer circuit protection for DC systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⭐ Essential benefits\u003c\/h3\u003e\n\u003cp\u003e• \u003cstrong\u003eDual pole protection\u003c\/strong\u003e – isolates both positive and negative circuits for improved safety\u003cbr\u003e• \u003cstrong\u003eReliable overload protection\u003c\/strong\u003e – automatically trips to protect wiring and equipment\u003cbr\u003e• \u003cstrong\u003eManual reset operation\u003c\/strong\u003e – quickly restore power once the fault is cleared\u003cbr\u003e• \u003cstrong\u003eDIN rail mounting\u003c\/strong\u003e – simple installation in electrical distribution boxes\u003cbr\u003e• \u003cstrong\u003eCompact design\u003c\/strong\u003e – ideal for caravan, solar, and off-grid installations\u003c\/p\u003e\n\u003cp\u003eThis breaker delivers dependable circuit protection while keeping electrical panels organised and safe.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚙️ Functionality\u003c\/h3\u003e\n\u003cp\u003eThe breaker continuously monitors current flowing through the circuit. If the load exceeds \u003cstrong\u003e40 amps\u003c\/strong\u003e, it automatically trips and cuts power to prevent damage to cables, batteries, or connected equipment.\u003c\/p\u003e\n\u003cp\u003eOnce the fault is resolved, the breaker can be \u003cstrong\u003emanually reset using the switch lever\u003c\/strong\u003e, restoring power to the system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔌 Compatibility\u003c\/h3\u003e\n\u003cp\u003e• Solar power systems\u003cbr\u003e• Caravan and RV electrical systems\u003cbr\u003e• Campervan battery systems\u003cbr\u003e• Off-grid DC power installations\u003cbr\u003e• DIN rail electrical distribution boards\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🧰 Installation difficulty\u003c\/h3\u003e\n\u003cp\u003e🟡 \u003cstrong\u003e3\/5 (Moderate)\u003c\/strong\u003e – requires correct wiring and DIN rail mounting inside an electrical enclosure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔍 Features\u003c\/h3\u003e\n\u003cp\u003e• \u003cstrong\u003e2 pole DC breaker\u003c\/strong\u003e – isolates both conductors\u003cbr\u003e• \u003cstrong\u003eDIN rail mount\u003c\/strong\u003e – fits standard electrical rails\u003cbr\u003e• \u003cstrong\u003eManual reset lever\u003c\/strong\u003e – easy power restoration\u003cbr\u003e• \u003cstrong\u003eCompact enclosure\u003c\/strong\u003e – suitable for tight electrical panels\u003cbr\u003e• \u003cstrong\u003eHigh sensitivity trip protection\u003c\/strong\u003e – responds quickly to overload or short circuit\u003cbr\u003e• \u003cstrong\u003eIndicator window\u003c\/strong\u003e – quick visual status check\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📊 Specifications table\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated current\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 1000v DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e2 pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount type\u003c\/td\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaking capacity\u003c\/td\u003e\n\u003ctd\u003e4500A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003eApprox -20°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eDC electrical protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What’s included\u003c\/h3\u003e\n\u003cp\u003e• 1 × 40A DC mini circuit breaker (2 pole)\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🙌 Why choose this product?\u003c\/h3\u003e\n\u003cp\u003eA quality DC breaker is essential for protecting solar systems, batteries, and caravan electrical wiring. This unit provides \u003cstrong\u003ereliable overload protection, safe dual pole isolation, and easy reset functionality\u003c\/strong\u003e for off-grid and mobile electrical systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🚀 Our promise\u003c\/h3\u003e\n\u003cp\u003eOrder today for same-day dispatch and explore our full range of caravan and off-grid electrical components.\u003c\/p\u003e","brand":"Campervan Builders","offers":[{"title":"Default Title","offer_id":49857050804530,"sku":"cb-mcb-40","price":24.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/7692\/6258\/files\/mcb-40a-dc-mini-circuit-breaker-2-pole.png?v=1773354306","url":"https:\/\/campervanbuilders.com.au\/products\/mcb-40-amp-dc-mini-circuit-breaker-2-pole","provider":"Campervan Builders","version":"1.0","type":"link"}