{"product_id":"mc4-inline-fuse-connector-1500v","title":"MC4 In-Line Fuse Connector, 1500 V DC | String Fuse Holder, 10x38 mm | 4904-1530","description":"\u003cdiv id=\"ct-mc4-fuse\" class=\"ct-desc-container\" role=\"region\" aria-label=\"Product description: MC4 inline fuse connector\"\u003e\n\u003ch1\u003eMC4 Inline Fuse Connector — Crimp Style, IP67 Waterproof\u003c\/h1\u003e\n\u003cp class=\"ct-meta\"\u003eCategory: Solar PV Connectors • Interface: MC4 Style • Connection: Crimp • Application: PV String Protection\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMC4 Inline Fuse Connector\u003c\/strong\u003e is designed to provide integrated \u003cstrong\u003eovercurrent protection\u003c\/strong\u003e directly within solar PV string wiring, serving as a critical link between solar modules and downstream equipment such as inverters, charge controllers, and combiner boxes.\u003c\/p\u003e\n\u003cp\u003eUnlike traditional bracket-mounted 10×85 mm fuse holders, this connector incorporates the fuse into an \u003cstrong\u003eMC4-compatible inline housing\u003c\/strong\u003e using \u003cstrong\u003ecrimped electrical terminations\u003c\/strong\u003e. This approach improves mechanical stability, minimizes contact resistance, and reduces long-term failure risk caused by vibration, thermal cycling, or loose connections.\u003c\/p\u003e\n\u003cp\u003eBuilt for harsh outdoor environments, the connector features \u003cstrong\u003eUV-resistant materials\u003c\/strong\u003e and an \u003cstrong\u003eIP67 waterproof rating\u003c\/strong\u003e when properly mated. Its compact inline design supports fast installation, simplified maintenance, and quick fuse replacement—making it ideal for residential, commercial, and utility-scale solar installations requiring reliable, code-conscious protection.\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cdiv class=\"ct-kv\" role=\"table\" aria-label=\"Technical specifications\"\u003e\n\u003cdiv\u003eType\u003c\/div\u003e\n\u003cdiv\u003eMC4 Inline Fuse Connector\u003c\/div\u003e\n\u003cdiv\u003eConnection\u003c\/div\u003e\n\u003cdiv\u003eCrimp\u003c\/div\u003e\n\u003cdiv\u003eCompatibility\u003c\/div\u003e\n\u003cdiv\u003eMulti-Contact and other MC4-compatible types\u003c\/div\u003e\n\u003cdiv\u003eCable Compatibility\u003c\/div\u003e\n\u003cdiv\u003e2.5mm², 4mm², 6mm² solar PV cable\u003c\/div\u003e\n\u003cdiv\u003eIngress Rating\u003c\/div\u003e\n\u003cdiv\u003eIP67 (waterproof when mated)\u003c\/div\u003e\n\u003cdiv\u003eEnvironmental Rating\u003c\/div\u003e\n\u003cdiv\u003eUV resistant; designed for long-term outdoor use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"ct-bullets\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntegrated Fuse Protection:\u003c\/strong\u003e Helps protect PV strings, panels, and inverters from overload currents.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCrimp-Terminated Design:\u003c\/strong\u003e Enhances long-term electrical and mechanical stability.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMC4-Compatible Interface:\u003c\/strong\u003e Seamlessly integrates with standard solar connector systems.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInline Serviceability:\u003c\/strong\u003e Enables faster fuse access and replacement compared to bracket-style holders.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIP67 Waterproof:\u003c\/strong\u003e Sealed against dust and water ingress for outdoor PV environments.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUV-Resistant Housing:\u003c\/strong\u003e Withstands prolonged sun exposure and environmental stress.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReliable Conductivity:\u003c\/strong\u003e Maintains consistent electrical contact across temperature cycles.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOutdoor-Ready Durability:\u003c\/strong\u003e Engineered for multi-year solar field installations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is an MC4 inline fuse connector used for?\u003c\/summary\u003e\n\u003cp\u003eIt provides overcurrent protection directly within the PV string, helping safeguard solar panels and downstream equipment such as inverters and controllers.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this compatible with standard MC4 systems?\u003c\/summary\u003e\n\u003cp\u003eYes. It is designed to mate with Multi-Contact MC4 and other MC4-compatible solar connectors.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat cable sizes are supported?\u003c\/summary\u003e\n\u003cp\u003eCompatible with 2.5mm², 4mm², and 6mm² solar PV cables using the appropriate crimp contacts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs it suitable for outdoor installations?\u003c\/summary\u003e\n\u003cp\u003eYes. With UV-resistant materials and IP67 sealing when mated, it is designed for long-term outdoor solar environments.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow does this differ from bracket-style fuse holders?\u003c\/summary\u003e\n\u003cp\u003eThis connector integrates fuse protection into an MC4-style inline housing, reducing installation complexity, improving stability, and simplifying maintenance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4904-1530\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrical connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInline Fuse (MC4-type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8536.90.4000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003ch3\u003eCross-Reference: 4904-1530 (MC4-type)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart \/ Class\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStäubli (MC4 original)\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003ePV-KST4 \/ PV-KBT4\u003c\/strong\u003e (verified)\u003c\/td\u003e\n\u003ctd\u003ematch by spec class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRenogy \/ BougeRV\u003c\/td\u003e\n\u003ctd\u003eMC4-type class*\u003c\/td\u003e\n\u003ctd\u003ematch by spec class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConversions Tech\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4904-1530\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL\/CSA listed class · same-day shipping by 2PM ET · engineering desk support · 5-year warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eInline Fuse (MC4-type), IP67, PV-wire rated, 1000\/1500V class, TUV\/UL-class. Fits panels shipping with MC4-type leads (most major manufacturers). Full sizing, crimping and fuse guidance in the \u003ca href=\"\/pages\/solar-connector-guide\"\u003eSolar Connector \u0026amp; Wiring Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e*MC4 is a Stäubli product; Stäubli certifies intermating only between its own connectors. CT connectors are MC4-type compatible class - verify per your AHJ and panel warranty terms. Trademarks belong to their owners.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Conversions Tech","offers":[{"title":"Default Title","offer_id":41250030813236,"sku":"4904-1530","price":10.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/8445\/8804\/files\/mc4-connector-1500-volts-with-fuse-adapter-1157099004.png?v=1745298858","url":"https:\/\/conversionstech.com\/products\/mc4-inline-fuse-connector-1500v","provider":"Conversions Tech","version":"1.0","type":"link"}