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Blue Sea Systems 5024 ST Blade Fuse Block Battery Terminal Mount 4 Circuit Kit

4.7 4.7 out of 5 stars 388 ratings

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4 Circuit + Neg - Terminal Mount
With cover

Purchase options and add-ons

Current Rating 100 Amps
Connector Type Screw
Material Plastic
Color With cover
Brand Blue Sea Systems
Voltage 32 Volts
Specification Met SAE

About this item

  • Blue Sea Systems Fuse Block ST Blade Battery Terminal Mount 4 Circuit Kit , part number 5024, allows you to easily add 4 fused circuits to the terminal of a battery
  • Max Amps: 100A per block, 30A per circuit, Max Volts: 32V DC, Screw Terminal Torque: 18in-lb, Screw terminal type: #8-32 screws
  • Mounts on a 3/8” (M10) battery terminal stud and provides power to new accessories in your boat or vehicle
  • Ignition Protected–meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment
  • ABYC/USCG compliant insulating cover, 4-circuit negative busbar, write on labels, and four 16-14 AWG and four 12-10 AWG Nylon insulated ring terminals included
  • Mounts on the battery terminal stud
  • Screw terminals for securing wires

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 8 x 8 x 0.6 inches; 8 ounces
  • Item model number ‏ : ‎ 5024-BSS
  • Department ‏ : ‎ unisex-adult
  • Date First Available ‏ : ‎ January 18, 2015
  • Manufacturer ‏ : ‎ Blue Sea Systems
  • ASIN ‏ : ‎ B00SE6Z2WI
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.7 4.7 out of 5 stars 388 ratings

Product Description

Blue Sea Systems Fuse Block ST Blade Battery Terminal Mount 4 Circuit Kit , part number 5024, allows you to easily add 4 fused circuits to the terminal of a battery. Max Amps: 100A per block, 30A per circuit, Max Volts: 32V DC, Mounting hole: 3/8" (M10) stud, Screw Terminal Torque: 18in-lb, Screw terminal type: #8-32 screws. Mounts on the battery terminal stud and provides power to new accessories in your boat or vehicle. Ignition Protected–meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment. ABYC/USCG compliant insulating cover, 4-circuit negative busbar, write on labels, and four 16-14 AWG and four 12-10 AWG Nylon insulated ring terminals included.


From the manufacturer

Blue Sea Systems
5026-BSS application image

ST-Blade Fuse Blocks

Consolidates branch circuits and in-line fuses

The ST Blade Fuse Block was designed with fastener terminals to comply with ABYC Recommended Practices, and are built with tin-plated copper components for improved conductivity and lower operating temperatures. An optional cover protects the conductive surfaces from accidental shorting, labels each circuit, and stores spare fuses.

The ST Blade Fuse Block is ideal for use as a sub-panel in the DC distribution system. This solves the problem of using large and expensive circuit breaker panels as circuit protection for electronics and other branch circuits. With most circuit breaker panels a circuit breaker and an inline fuse are used for to protect electronic devices. By instead utilizing Blue Sea Systems ST Blade Fuse Block as a sub-panel, fuses more appropriate for electronics can be used, removing the need for inline fuses while only utilizing one position on the panel. This reduces the size of the panel needed and lowers the overall system cost.

  • Independent and/or Common Source fuse block
  • Fastener terminals for securing wires accept terminal rings
  • One-piece stainless flange nuts ensure safe and secure connections
  • Clear insulating cover with label recess satisfies ABYC/USCG insulation requirements
  • Accepts ATO and ATC fast acting blade fuses (sold separately)
  • Some models ignition protected or ingress protected
5023 150x300 5024 150x300 5045 150x300 5046 150x300 5056 150x300 5056100 150x300
4-Circ Term Mount w/Cover 4-Circ Term Mount w/Cover & Neg 4-Circ w/Cover 8-Circ w/Cover 4-Circ H20 w/Manual Cover 4-Circ H20 w/Twist Cover
Customer Reviews
4.8 out of 5 stars
113
4.7 out of 5 stars
388
4.8 out of 5 stars
1,418
4.8 out of 5 stars
1,418
4.8 out of 5 stars
21
4.5 out of 5 stars
10
Part Number 5023 5024 5045 5046 5056 5056100
Number of Circuits 4 4 4 8 4 4
Maximum Voltage 32V DC 32V DC 32V DC 32V DC 32V DC 32V DC
Maximum Amperage 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 25A per circuit/ 80A per block 25A per circuit/ 80A per block
Battery Terminal Mount
Ground Bus
Includes Cover
Common Source
Ingress Protection IP66 – protected against powerful water jets IP66 – protected against powerful water jets
Ignition Protected
5035 150x300 5037 150x300 5025 150x300 5030 150x300 5028 150x300 5033 150x300
6-Circ Ind w/Cover 6-Circ Ind No Cover 6-Circ w/Cover & Neg 6-Circ No Cover w/Neg 6-Circ w/Cover 6-Circ No Cover
Customer Reviews
4.5 out of 5 stars
232
4.8 out of 5 stars
1,418
4.8 out of 5 stars
2,363
4.8 out of 5 stars
1,418
4.8 out of 5 stars
1,418
4.8 out of 5 stars
1,418
Part Number 5035 5037 5025 5030 5028 5033
Number of Circuits 6 6 6 6 6 6
Maximum Voltage 32V DC 32V DC 32V DC 32V DC 32V DC 32V DC
Maximum Amperage 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block
Includes Terminal Block Jumpers
Ground Bus
Includes Cover
Common Source
Independent Source Independent – circuits can be jumpered to be common source Independent – circuits can be jumpered to be common source
5026 150x300 5031 150x300 5029 150x300 5034 150x300 5032 150x300
12-Circ w/Cover & Neg 12-Circ No Cover w/Neg 12-Circ w/Cover 12-Circ No Cover 12-Circ Split w/Cover & Neg
Customer Reviews
4.8 out of 5 stars
6,173
4.8 out of 5 stars
1,418
4.6 out of 5 stars
315
4.8 out of 5 stars
1,418
4.7 out of 5 stars
469
Part Number 5026 5031 5029 5034 5032
Number of Circuits 12 12 12 12 12
Maximum Voltage 32V DC 32V DC 32V DC 32V DC 32V DC
Maximum Amperage 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block 30A per circuit/ 100A per block
Split Bus Provides two isolated groups of six circuits
Ground Bus
Includes Cover
Common Source
Independent Source

What's in the box

  • Blue Sea Systems 5024-BSS ST-Blade Battery Terminal Mount Fuse Block Kit
  • Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    388 global ratings

    Customers say

    Customers like the appearance, quality and ease of installation of the terminal block. For example, they mention it's well designed to last, easy to install and great for simple, battery-based solar systems. Customers are also impresseded with the cost. Opinions are mixed on size.

    AI-generated from the text of customer reviews

    40 customers mention40 positive0 negative

    Customers like the appearance of the terminal block. They mention it's perfect, cool, and easy to install. They also appreciate the nice design and implementation. Overall, customers find the product useful and professional.

    "Used since April. No problems. Holding up well even in the weather." Read more

    "Great for making engine bay look more organized." Read more

    "...I've used other solutions, but this is the tidiest and most cost effective I've found...." Read more

    "This system worked perfectly for me to wire my small 13 foot boat with some navigation lights and a bilge pump...." Read more

    29 customers mention29 positive0 negative

    Customers are satisfied with the quality of the terminal block. They mention that it's well-designed and durable. Some say that it has places for fuses and is better than inline fuse holders.

    "Used since April. No problems. Holding up well even in the weather." Read more

    "...good product for small boats with simple wiring needs because it is durable, easy to install, and about as simple as it gets...." Read more

    "...It takes up very little space and being a Blue Seas product is of good quality." Read more

    "Very good quality kit for adding a fused circuit directly from the vehicle battery. The negative terminal lug would not fit on my 2016 Jeep Wrangler...." Read more

    20 customers mention20 positive0 negative

    Customers find the installation process of the terminal block to be easy. They mention that it's about as simple as it gets, easy to use, and great for simple, battery-based solar systems. They also say that it makes their wiring so much easier and cleaner.

    "...wiring needs because it is durable, easy to install, and about as simple as it gets. I have a small Aluminum Lund SSV with minimal wiring needs...." Read more

    "...It was easy to add the Blue Sea unit without interfering with the winch wiring...." Read more

    "...that has screw-terminals: Proper at-battery fusing in a very easy to implement package...." Read more

    "...and it’s already paid for itself, not to mention made my wiring so much easier and cleaner." Read more

    17 customers mention17 positive0 negative

    Customers like the circuits. They say it's an excellent way to add circuits to a modern vehicle where the wiring is mostly hidden. They also say it makes for neat wiring and is a great way to organize battery connections. Customers also say that it'll help to hook multiple feeds to electrical devices straight from the battery with fuse.

    "...With this product I was able to easily wire my Garmin fish finder, Nav and anchor lights, and a bilge pump...." Read more

    "An excellent way to add circuits to a modern vehicle where the wiring is mostly hidden and buried...." Read more

    "This makes for a pretty nice way to wire up many devices to a battery but still have fuse protection. What an excellent idea/product...." Read more

    "...I like the fact it has multiple terminals so I can add extra equipment if I want...." Read more

    5 customers mention5 positive0 negative

    Customers appreciate the cost of the terminal block. They say it's the best value for the buck, an economic accessory, and cheap insurance compared to a fire.

    "...I've used other solutions, but this is the tidiest and most cost effective I've found...." Read more

    "...Nice set up for the money." Read more

    "...In my opinion the best for the buck out there." Read more

    "Works great. FINE product GOOD value" Read more

    3 customers mention3 positive0 negative

    Customers like the battery-based solar systems. They mention that the terminal block is a great accessory to their boat battery.

    "This is a great accessory to my boat battery." Read more

    "Great for simple, battery-based solar systems..." Read more

    "Great item for my solar batteries..." Read more

    3 customers mention3 positive0 negative

    Customers like the cleaning capabilities of the terminal block. They say it cleans up the battery compartment nicely, and the terminations look professional.

    "...So much cleaner and easier than running a massive, fused cable to a separate junction box for just a few connections.Kudos, Blue Sea!" Read more

    "...This cleaned up the terminations and looks professional." Read more

    "Cleans up the battery compartment nicely. Removed all the in-line fuses for two down riggers and the power trim. Much better look." Read more

    7 customers mention3 positive4 negative

    Customers are mixed about the size of the terminal block. Some mention that it is small and stays out of the way, taking up very little space. That said, some say that it's a really good product for small boats with simple wiring needs. However, other customers say that the negative terminal lug would not fit on their 2016 Jeep Wrangler, the allocated space is a bit narrow, and it won't fit common batteries.

    "...The negative terminal lug would not fit on my 2016 Jeep Wrangler. The negative battery terminal did not have sufficient space to attach it...." Read more

    "This is a really good product for small boats with simple wiring needs because it is durable, easy to install, and about as simple as it gets...." Read more

    "...you may have to use a file on the terminal ends as the allotted space is a bit narrow. It does provide a nice clean look and easy access." Read more

    "...It takes up very little space and being a Blue Seas product is of good quality." Read more

    Accessories power solution
    5 Stars
    Accessories power solution
    Mounted on battery terminals with a longer M6x1.00 x 20mm screws. Honda Pioneer 700-2
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    Top reviews from the United States

    Reviewed in the United States on August 1, 2023
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Reviewed in the United States on May 20, 2021
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Reviewed in the United States on February 21, 2022
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Reviewed in the United States on March 9, 2024
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Customer image
    5.0 out of 5 stars Accessories power solution
    Reviewed in the United States on March 9, 2024
    Mounted on battery terminals with a longer M6x1.00 x 20mm screws. Honda Pioneer 700-2
    Images in this review
    Customer image
    Customer image
    Reviewed in the United States on April 20, 2018
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Customer image
    5.0 out of 5 stars Safe, simple way to add circuits to your Jeep or truck.
    Reviewed in the United States on April 20, 2018
    An excellent way to add circuits to a modern vehicle where the wiring is mostly hidden and buried.
    I bought the 4 circuit with ground bus unit - see picture.
    I used it to add circuits to my Jeep. Its wiring is so complex and buried that tapping into the existing fuse box was simply not an option.
    Using this widget, I was able to add a fused circuit for my 5A chest cooler when carrying it in the Jeep. Another circuit is a 20 Amp line for the trailer brakes on my camper trailer. A third circuit will be for the refrigerator in the camper so I can simply and easily run it on 12V while driving thus saving propane for when stopped and camping. That leaves one more for future accessories - most likely an LED driving light for nights on the trail.
    The big circuit breaker unit in the second picture is for the winch - 90 Amps. It was easy to add the Blue Sea unit without interfering with the winch wiring. Just be sure to snug all connections and check them occasionally for tightness.
    Highly recommended.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    2 people found this helpful
    Report
    Reviewed in the United States on August 14, 2019
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Reviewed in the United States on April 1, 2023
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Reviewed in the United States on March 9, 2020
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    One person found this helpful
    Report

    Top reviews from other countries

    Amazon Customer
    5.0 out of 5 stars Well thought out product.
    Reviewed in Canada on August 31, 2019
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    cappa
    5.0 out of 5 stars Exactly as advertised
    Reviewed in Australia on May 9, 2021
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    SK
    5.0 out of 5 stars Very nice product, second order of this fuse block.
    Reviewed in Canada on October 31, 2019
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    cahoas
    5.0 out of 5 stars easy to install
    Reviewed in Canada on August 13, 2020
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase
    Amazon Customer
    5.0 out of 5 stars quick and easy and good solid construction
    Reviewed in Canada on June 20, 2017
    Style: 4 Circuit + Neg - Terminal MountColor: With coverVerified Purchase