Blue Sea Systems
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Blue Sea Systems 5191 Fuse Block Terminal 30-300 AMP
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Blue Sea Systems 5191 Fuse Block Terminal 30-300 AMP
Blue Sea Systems stands behind its products for as long as you own them. Blue Sea Systems will replace or issue a credit for any of its products found to be defective in materials or manufacture.
Blue Sea Systems 5191 Fuse Block Terminal 30-300 AMP
Item #: 19270267

Blue Sea Systems 5191 Fuse Block Terminal 30-300 AMP

90% of respondents would recommend this to a friend

Item #: 19270267

LSL 1487

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*All items will import from US

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Order now and get it around Friday, September 11
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Blue Sea Systems stands behind its products for as long as you own them. Blue Sea Systems will replace or issue a credit for any of its products found to be defective in materials or manufacture.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Durable Construction
Built with high-quality materials, the Blue Sea Systems Fuse Block ensures longevity and resilience in harsh marine environments, providing reliable power management for boats and marine applications.
Versatile Design
This 3-circuit fuse block accommodates multiple configurations, offering flexibility for various electrical setups, making it ideal for custom marine installations and enhancing your vessel's electrical efficiency.
Easy Installation
With user-friendly mounting options and clear labeling, the MRBF Fuse Block simplifies installation and maintenance, allowing users to quickly set up or adjust their marine electrical systems with confidence.

Product Details

Shop the Blue Sea Systems MRBF Surface and Terminal Mount Fuse Blocks at Ubuy Lesotho. Find high amperage circuit protection and versatile wiring options for your electrical needs.
Current Rating300 A
Connector TypeScrew
Number Of Contacts10
Mounting Typehole mount
Voltage58 volts
Number Of Poles1
Number of Positions1
Pitch8 millimeters
Gauge1
Item Dimensions W x H2.5"W x 2"H (6.4 cm)
Material TypePlastic
ColorSingle Fuse
Specification MetSea
Brand NameBlue Sea Systems
Model5191-BSS
Number of Items1
ManufacturerBlue Sea Systems
UPC632085051914
Unit Count1 Count
Global Trade Identification Number00632085051914
Included ComponentsBlue Sea Systems 5191-BSS MRBF Terminal Fuse Block - 30A-300A
Item Type NameBlue Sea Systems 5191-BSS MRBF Terminal Fuse Block - 30A-300A
Item Weight2.56 ounces (72.58 grams)
Part Number5191-BSS
Item Pitch8 millimeters
MaterialPlastic
BrandBlue Sea Systems

Who Should Buy?

Suitable For
  • Marine Enthusiasts

    Ideal for boaters needing a reliable fuse system to protect electrical circuits from overload in marine environments.

  • DIY Electricians

    Perfect for hobbyists building or upgrading their electrical systems, ensuring circuits are safely fused and easily accessible.

  • Off-Grid Setup

    Suitable for solar or off-grid power systems requiring organized and efficient fuse management for multiple circuits.

Not Suitable For
  • Home Installations

    Not suitable for household electrical systems that require extensive circuit management and circuit breakers instead of fuses.

Product Description

Blue Sea Systems 5191 Fuse Block Terminal 30-300 AMP

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Blue Sea Systems 5196 Fuse Block MRBF 3Circ Common?

    Answer: The Blue Sea Systems 5196 Fuse Block is designed to protect electrical systems in marine or automotive applications. It serves as a central point to house fuses for various circuits, preventing overload and ensuring safety. By managing multiple circuits in one unit, it simplifies installation and maintenance. For instance, if you’re upgrading your boat's electrical setup, this fuse block allows you to efficiently manage power distribution and enhances the safety of your electrical components.
  • Question: How many circuits does the Blue Sea Systems 5196 Fuse Block accommodate?

    Answer: The Blue Sea Systems 5196 Fuse Block can accommodate three circuits. This makes it ideal for small to medium setups where managing a few critical electrical components is required. Each circuit is independent, allowing for specific fuses to be replaced without affecting the entire system. For example, if you're running accessories like navigation lights, bilge pumps, and stereo systems on your boat, this fuse block ensures each component is protected while maintaining ease of access for repairs.
  • Question: What type of fuses are compatible with the Blue Sea Systems 5196 Fuse Block?

    Answer: This fuse block is compatible with standard blade fuses, allowing for flexibility in choosing protection levels based on your application needs. Blade fuses are commonly used due to their reliability and availability. This compatibility makes it easier for boaters and DIY enthusiasts to find replacements or upgrades as needed. For instance, if you're powering high-draw equipment like an inverter or trolling motor, selecting the right fuse is crucial for safe operation.
  • Question: Is the Blue Sea Systems 5196 Fuse Block water-resistant?

    Answer: Yes, the Blue Sea Systems 5196 Fuse Block is designed to withstand harsh marine environments. Its robust construction provides a level of water resistance, making it suitable for use in boats and other vehicles exposed to moisture. This durability ensures the longevity of your electrical components while giving you peace of mind. Whether you’re winterizing your boat or making sure it’s ready for summer, this fuse block will help protect your circuits from corrosion and wear.
  • Question: Can I use the Blue Sea Systems 5196 Fuse Block for automotive applications?

    Answer: Absolutely, the Blue Sea Systems 5196 Fuse Block is versatile and suitable for automotive applications as well as marine use. Its reliable design provides effective circuit protection across various vehicles. For example, if you're customizing your car's audio system or adding auxiliary lights, this fuse block can simplify your wiring and ensure each component is securely protected. Its ability to handle different environments makes it a great choice for any automotive enthusiast.
  • Question: What voltage rating does the Blue Sea Systems 5196 Fuse Block support?

    Answer: The Blue Sea Systems 5196 Fuse Block supports a voltage rating of up to 32 volts, making it suitable for typical marine and automotive electrical systems. This rating ensures that it can handle various applications without compromising safety or performance. For instance, if you're wiring multiple 12V accessories in a boat or vehicle, this fuse block will reliably protect against short circuits and overloads, keeping your setup secure.
  • Question: How is the Blue Sea Systems 5196 Fuse Block mounted?

    Answer: The Blue Sea Systems 5196 Fuse Block can be easily mounted to a flat surface using the provided mounting holes. Its design allows for flexible installations in tight spaces commonly found in boats or vehicles. For instance, if you are retrofitting electrical parts into an older boat, this fuse block can fit neatly into the console or under a dash, making it both functional and aesthetically pleasing in its placement.
  • Question: What are the dimensions of the Blue Sea Systems 5196 Fuse Block?

    Answer: The dimensions of the Blue Sea Systems 5196 Fuse Block are compact, measuring approximately 3.7 inches in length, 2.3 inches in width, and 1.2 inches in height. Its small form factor allows it to fit into various setups without consuming excessive space. This makes it a perfect solution for tight installations in boats or RVs, where every inch counts, while still providing robust circuit management.
  • Question: Is installation of the Blue Sea Systems 5196 Fuse Block complex?

    Answer: The installation of the Blue Sea Systems 5196 Fuse Block is relatively straightforward, especially for individuals with basic electrical knowledge. Its clear labeling and layout simplify the wiring process. For users implementing it in a new project or upgrading an existing system, following the manufacturer’s guidelines ensures a proper and secure installation. Scenarios like setting up a new electrical system on a sailboat can greatly benefit from this user-friendly design.
  • Question: Where can I buy the Blue Sea Systems 5196 Fuse Block MRBF 3Circ Common?

    Answer: You can buy the Blue Sea Systems 5196 Fuse Block MRBF 3Circ Common at Ubuy in Lesotho. Ubuy offers a wide range of marine and automotive electrical components, ensuring that you find the right products to suit your specific needs.

Blue Sea Systems Fuse Blocks Editorial Review

Blue Sea Systems 5196 Fuse Block MRBF 3Circ Common is a well-constructed fuse block designed to handle a current rating of 300 A across three positions. Users have praised its heavy-duty design, making it suitable for applications like fire trucks and cruising sailboats, where reliability is crucial. Many appreciate its compact structure and the reduction in parts count compared to conventional fuses, despite some concern regarding the higher cost of MRBF fuses. The fuse block is also noted for its sturdy plastic coverage that prevents shorting. This combination of durability and functionality makes it a preferred choice for high current circuits.

Customer Reviews & Ratings

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Pros

  • Well-made with heavy-duty construction
  • Compact design saves space on installation
  • Sturdy plastic coverage prevents shorting
  • Suitable for high current applications
  • Versatile for marine and automotive uses

Cons

  • Fuses can be expensive compared to breakers

Platform Trust & Buyer Confidence

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4.2/5 9300 + reviews
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
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Emmanuel
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

31 August 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”

29 August 2026 · via Trustpilot
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“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”

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“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

LSL 1487

Order now and get it around Friday, September 11

QTY:

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Features & Benefits

  • Blue Sea Systems offers warranty on its products
  • P12 battery chargers and P12 remote displays have a 5-year warranty
  • Digital meters and vessel system monitors have a 3-year warranty
  • No compensation for products not returned for analysis
  • No compensation for labor required to replace defective products
  • Contact customer service for an RMA number before shipping any products

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