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{"id":9374027776239,"title":"300 AMP MRBF Terminal Block Fuse Holder Single Stud 5\/16\" (M8)","handle":"300-amp-mrbf-terminal-block-fuse-holder-single-stud-5-16-m8","description":"\u003cdiv class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" id=\"tabs-1\" role=\"tabpanel\" aria-hidden=\"false\" aria-labelledby=\"ui-id-1\"\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis 300 AMP MRBF Terminal Block Fuse Holder provides reliable overcurrent protection for high-capacity DC circuits. Designed with a compact single stud configuration, this fuse holder mounts directly to battery terminals or busbars, offering a waterproof and dustproof solution for inverters, battery banks, RVs, marine vessels, and other high-current DC power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e300 Amp Current Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ideal for protecting high-capacity DC circuits, including inverters, large battery banks, windlasses, bow thrusters, and charging piles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eMRBF (Marine Rated Battery Fuse) Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact, single stud design mounts directly to battery terminals or busbars, saving valuable space in tight electrical compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eIP66 Waterproof \u0026amp; Dustproof:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Insulating cap prevents accidental short circuits and reduces the influence of environmental conditions on fuse holder performance, making it suitable for marine, RV, and outdoor applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Quality Materials:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Constructed with a ceramic fuse body, PA66-RG303 thermoplastic holder, and tin-plated ring terminal surface for excellent protection, durability, and safety performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e5\/16\" (M8) Single Stud:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compatible with standard battery terminals and busbar connections, simplifying installation in existing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eMax 58VDC Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for 12V, 24V, and 48V battery systems commonly found in solar installations, RVs, marine applications, and electric vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWide Range of Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Used in new energy vehicles, RVs, cruise ships, cranes, batteries, charging piles, and other DC main power circuits requiring reliable circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCurrent Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVoltage Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 58VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eConnection Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Stud 5\/16\" (M8)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eNumber of Poles\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMounting Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSurface mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCeramic (fuse), PA66-RG303 (holder), Copper Alloy (terminals), Stainless Steel (hardware)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTerminal Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTin-plated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eEnvironmental Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP66 (waterproof and dustproof)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProduct Dimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompact size for tight spaces\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eQuantity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 piece (fuse included)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Max voltage is 58VDC — suitable for 12V, 24V, and 48V systems. Always verify that the fuse rating matches your circuit requirements. Fuse is included. Suitable for DC applications only.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" id=\"tabs-4\" role=\"tabpanel\" aria-hidden=\"true\" aria-labelledby=\"ui-id-2\" style=\"display: none;\"\u003e\n\u003cdiv class=\"grp-of-series\"\u003e\n\u003cdiv class=\"block\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2026-05-05T14:03:28-06:00","created_at":"2026-05-05T14:03:28-06:00","vendor":"SolarPanelStore","type":"Breakers \u0026 Fuses","tags":["All products","Brand_Outback","DC Breakers","Electrical Parts","feed-sl-9","Type_Breakers \u0026 Fuses","Type_Breakers and Fuses"],"price":3000,"price_min":3000,"price_max":3000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49493546991855,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"300 AMP MRBF Terminal Block Fuse Holder Single Stud 5\/16\" (M8)","public_title":null,"options":["Default Title"],"price":3000,"weight":454,"compare_at_price":null,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.solarpanelstore.com\/cdn\/shop\/files\/300AMRBF.jpg?v=1778011521"],"featured_image":"\/\/www.solarpanelstore.com\/cdn\/shop\/files\/300AMRBF.jpg?v=1778011521","options":["Title"],"media":[{"alt":"300 AMP MRBF Terminal Block Fuse Holder Single Stud 5\/16\" (M8)","id":38749631447279,"position":1,"preview_image":{"aspect_ratio":1.005,"height":1391,"width":1398,"src":"\/\/www.solarpanelstore.com\/cdn\/shop\/files\/300AMRBF.jpg?v=1778011521"},"aspect_ratio":1.005,"height":1391,"media_type":"image","src":"\/\/www.solarpanelstore.com\/cdn\/shop\/files\/300AMRBF.jpg?v=1778011521","width":1398}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" id=\"tabs-1\" role=\"tabpanel\" aria-hidden=\"false\" aria-labelledby=\"ui-id-1\"\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis 300 AMP MRBF Terminal Block Fuse Holder provides reliable overcurrent protection for high-capacity DC circuits. Designed with a compact single stud configuration, this fuse holder mounts directly to battery terminals or busbars, offering a waterproof and dustproof solution for inverters, battery banks, RVs, marine vessels, and other high-current DC power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e300 Amp Current Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ideal for protecting high-capacity DC circuits, including inverters, large battery banks, windlasses, bow thrusters, and charging piles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eMRBF (Marine Rated Battery Fuse) Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact, single stud design mounts directly to battery terminals or busbars, saving valuable space in tight electrical compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eIP66 Waterproof \u0026amp; Dustproof:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Insulating cap prevents accidental short circuits and reduces the influence of environmental conditions on fuse holder performance, making it suitable for marine, RV, and outdoor applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Quality Materials:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Constructed with a ceramic fuse body, PA66-RG303 thermoplastic holder, and tin-plated ring terminal surface for excellent protection, durability, and safety performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e5\/16\" (M8) Single Stud:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compatible with standard battery terminals and busbar connections, simplifying installation in existing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eMax 58VDC Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for 12V, 24V, and 48V battery systems commonly found in solar installations, RVs, marine applications, and electric vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWide Range of Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Used in new energy vehicles, RVs, cruise ships, cranes, batteries, charging piles, and other DC main power circuits requiring reliable circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCurrent Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVoltage Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 58VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eConnection Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Stud 5\/16\" (M8)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eNumber of Poles\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMounting Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSurface mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCeramic (fuse), PA66-RG303 (holder), Copper Alloy (terminals), Stainless Steel (hardware)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTerminal Finish\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTin-plated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eEnvironmental Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP66 (waterproof and dustproof)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProduct Dimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompact size for tight spaces\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eQuantity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 piece (fuse included)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePlease Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Max voltage is 58VDC — suitable for 12V, 24V, and 48V systems. Always verify that the fuse rating matches your circuit requirements. Fuse is included. Suitable for DC applications only.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" id=\"tabs-4\" role=\"tabpanel\" aria-hidden=\"true\" aria-labelledby=\"ui-id-2\" style=\"display: none;\"\u003e\n\u003cdiv class=\"grp-of-series\"\u003e\n\u003cdiv class=\"block\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}

300 AMP MRBF Terminal Block Fuse Holder Single Stud 5/16" (M8)

Product Description
$30.00
Maximum quantity available reached.

This 300 AMP MRBF Terminal Block Fuse Holder provides reliable overcurrent protection for high-capacity DC circuits. Designed with a compact single stud configuration, this fuse holder mounts directly to battery terminals or busbars, offering a waterproof and dustproof solution for inverters, battery banks, RVs, marine vessels, and other high-current DC power systems.


Key Features & Benefits

300 Amp Current Rating: Ideal for protecting high-capacity DC circuits, including inverters, large battery banks, windlasses, bow thrusters, and charging piles.

MRBF (Marine Rated Battery Fuse) Design: Compact, single stud design mounts directly to battery terminals or busbars, saving valuable space in tight electrical compartments.

IP66 Waterproof & Dustproof: Insulating cap prevents accidental short circuits and reduces the influence of environmental conditions on fuse holder performance, making it suitable for marine, RV, and outdoor applications.

High-Quality Materials: Constructed with a ceramic fuse body, PA66-RG303 thermoplastic holder, and tin-plated ring terminal surface for excellent protection, durability, and safety performance.

5/16" (M8) Single Stud: Compatible with standard battery terminals and busbar connections, simplifying installation in existing systems.

Max 58VDC Rating: Suitable for 12V, 24V, and 48V battery systems commonly found in solar installations, RVs, marine applications, and electric vehicles.

Wide Range of Applications: Used in new energy vehicles, RVs, cruise ships, cranes, batteries, charging piles, and other DC main power circuits requiring reliable circuit protection.


Technical Specifications

Specification Detail
Current Rating 300 Amps
Voltage Rating Max 58VDC
Connection Type Single Stud 5/16" (M8)
Number of Poles 1
Mounting Type Surface mount
Material Ceramic (fuse), PA66-RG303 (holder), Copper Alloy (terminals), Stainless Steel (hardware)
Terminal Finish Tin-plated
Environmental Rating IP66 (waterproof and dustproof)
Product Dimensions Compact size for tight spaces
Quantity 1 piece (fuse included)

Please Note: Max voltage is 58VDC — suitable for 12V, 24V, and 48V systems. Always verify that the fuse rating matches your circuit requirements. Fuse is included. Suitable for DC applications only.

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