{"product_id":"40a-12-48v-dc-circuit-breaker-switch-4boats","title":"40A 12–48V DC Circuit Breaker \/ Switch | 4Boats","description":"\u003cp\u003eThis resettable 40 A DC circuit breaker combines overcurrent protection and a manual On\/Off isolator for 12–48 V DC systems, ideal for solar, battery and marine applications; ignition protected for safe marine use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel: CB40.\u003c\/li\u003e\n\u003cli\u003eRating: 40 A; voltage range: 12–48 V DC (suitable for 12 V, 24 V and 48 V systems).\u003c\/li\u003e\n\u003cli\u003eType: Thermal overcurrent protection device. Material: thermal plastic (UL 94 V-0).\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -32°C to 82°C (-26°F to 180°F).\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -34°C to 149°C (-29°F to 300°F).\u003c\/li\u003e\n\u003cli\u003eTerminals: M6; designed for surface mounting. Ensure correct torque on M6 terminals and follow marine\/automotive wiring best practice for compatibility and safety.\u003c\/li\u003e\n\u003cli\u003eEnclosure: IP67 (water resistant).\u003c\/li\u003e\n\u003cli\u003eSize: 74 x 48 x 37 mm (2.91 x 1.89 x 1.46 in). Weight: 110 g (3.9 oz).\u003c\/li\u003e\n\u003cli\u003eInternational standard ratings (ignition protected): SAE J1625, SAE J1171, UL1500.\u003c\/li\u003e\n\u003cli\u003eTypical applications: connecting solar or wind charge controllers to batteries; between off-grid inverter DC input and batteries; DC power distribution or charging circuits; other DC automotive and marine applications.\u003c\/li\u003e\n\u003cli\u003eResettable design replaces single-use fuses for repeated protection; follow recommended installation torque on terminals and established wiring practices for safe, long-term operation.\u003c\/li\u003e\n\u003cli\u003eDownload: Time vs Rated Current graph for Photonic Universe 40 A Circuit breaker (CB40) available to download.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4Boats","offers":[{"title":"Default Title","offer_id":56755529318774,"sku":"CB40","price":24.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8140\/9004\/files\/40a-12v24v48v-automatic-over-current-dc-circuit-breaker-switch-4boats-1_ec454a75-15f3-4e28-a4c2-d720445abd00.jpg?v=1764338295","url":"https:\/\/www.leighnumberplates.com\/products\/40a-12-48v-dc-circuit-breaker-switch-4boats","provider":"Leigh Number Plates","version":"1.0","type":"link"}