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Blue Sea Systems 5025 ST Blade Fuse Block 6 Circuit with Ground and Cover

4.8 4.8 out of 5 stars 2,362 ratings

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6 Circuit + Neg
With cover

Purchase options and add-ons


About this item

  • Blue Sea Systems Fuse Block ST Blade 6 Circuit with Ground and Cover, part number 5025, can be used for 24-hour circuits
  • Max Amps: 100A per block, 30A per circuit, Max Volts: 32V DC, Mounting :#8 (M4) Screw, Negative bus: #10-32 stud, Positive bus: #10-32 stud, Recommended Stud torque: 24 in-lb, Screw Terminal Torque: 18in-lb, Screw terminal type: #8-32 screws with captive star lock washer
  • Positive distribution bus with #10-32 stud
  • Clear insulating cover with label recesses and storage for two fuses, satisfies ABYC/USCG insulation requirements and has a push button latch that is easy to open
  • Accepts ring or spade type terminals and ATO/ATC fast acting blade fuses - fuses sold separately. Includes 20 write on circuit labels

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2 x 4 x 8 inches; 3.2 ounces
  • Item model number ‏ : ‎ 5025-BSS
  • Department ‏ : ‎ unisex-adult
  • Date First Available ‏ : ‎ October 1, 2001
  • Manufacturer ‏ : ‎ Blue Sea Systems
  • ASIN ‏ : ‎ B000THQ0CQ
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.8 4.8 out of 5 stars 2,362 ratings

WARNING:

CHOKING HAZARD -- This toy is a marble. Not for children under 3 yrs.

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.

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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
112
4.7 out of 5 stars
387
4.8 out of 5 stars
1,416
4.8 out of 5 stars
1,416
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
231
4.8 out of 5 stars
1,416
4.8 out of 5 stars
2,362
4.8 out of 5 stars
1,416
4.8 out of 5 stars
1,416
4.8 out of 5 stars
1,416
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
6,160
4.8 out of 5 stars
1,416
4.6 out of 5 stars
314
4.8 out of 5 stars
1,416
4.7 out of 5 stars
468
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 5025-BSS ST Blade Fuse Block - 6 Circuits with Negative Bus and Cover
  • Looking for specific info?

    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    2,362 global ratings

    Customers say

    Customers like the value, quality, size and ease of installation of the fuse block. They mention that it's well-built, has a central location for fuses and that it works well for smaller loads. They also appreciate the compact size and the fact that it fits nicely into the dash of their RV. Overall, customers recommend the product for its ease of use and its compact size.

    AI-generated from the text of customer reviews

    250 customers mention236 positive14 negative

    Customers appreciate the value of the Blue Sea fuse block. They say it's well-made, solid, and worth every penny.

    "...This is super easy to use, works well, looks clean, and is a good value. I've had no issues with it and highly recommend it." Read more

    "This box is top quality not like the cheap knockoffs on Amazon this one it top notch" Read more

    "I really like this fuse block. It looks and feels nice and solid...." Read more

    "...Original Review; This seems well made for what it is and made for a clean install...." Read more

    196 customers mention194 positive2 negative

    Customers are satisfied with the quality of the terminal block. They mention that it works well, is heavy duty, and is effective for smaller loads. The negative bus is a great feature, allowing for the associated negative terminal.

    "...This is super easy to use, works well, looks clean, and is a good value. I've had no issues with it and highly recommend it." Read more

    "...Same outcome, just faster.The new unit is working great so far with my 24 volt battery bank...." Read more

    "...It may take a little tinkering, but the result is FAR WORTH the effort. I would also strongly recommend the Blue Sea Easy ID Fuses...." Read more

    "I bought this last year for an RV.. It works just as designed...I bought the BlueSea 2191 fuse terminal that takes 2 fuses...." Read more

    127 customers mention127 positive0 negative

    Customers find the installation of the terminal block to be easy. They mention that it is simple for the purpose and easy to mount and use. The instructions and packaging are good, and the cover makes it convenient to store a couple pairs. The application is good for not interfering with original wiring harnesses or.

    "...The unit included clear instructions and useful specifications such as torque values, precise dimensions, and maximum volt/amp ratings...." Read more

    "I've used a couple of these fuse blocks over the years. This is super easy to use, works well, looks clean, and is a good value...." Read more

    "...Not only is this very simple for the purpose, but being made for marine applications, it can take weather and moisture without batting an eye...." Read more

    "...and neg. wires of the accessories to the fuse block. Very easy, and no messing with inline fuses. I also like that it has a pos. and neg...." Read more

    119 customers mention103 positive16 negative

    Customers like the fuse protection of the terminal block. They mention it's a great fuse box, with a positive and negative tap. They like that it has a central location for fuses, and that the blade fuses push in to the slots firmly and completely. They say that the fuses stick out far and have adequate spacing between them, making it easy to protect the circuits. Customers also appreciate the dependable fused circuits and the easy-to-understand design.

    "...wires of the accessories to the fuse block. Very easy, and no messing with inline fuses. I also like that it has a pos. and neg...." Read more

    "...The quality felt good on the threaded connections, no concern of stripping screw heads on terminals...." Read more

    "...Again, the fuse block is nice for what it is as long as you aren't buying it based on a couple of the claims in the ad." Read more

    "...more then some other fuse blocks this one has a cover to protect all of the live terminals and is very sturdy and I would highly recommend this..." Read more

    93 customers mention93 positive0 negative

    Customers are satisfied with the appearance of the terminal block. They mention that it is well designed, well built, and has a nice cover. Customers also appreciate the high quality components and the well-thought-out terminal arrangement. Overall, customers are happy with the quality and appearance of this product.

    "...They are more expensive than some alternatives but they are well designed and durable which, in my opinion, makes them a much better overall value...." Read more

    "I really like this fuse block. It looks and feels nice and solid...." Read more

    "...Well built, nice cover." Read more

    "...Really nice unit, especially when paired with other items designed for it. Very pleased...." Read more

    53 customers mention50 positive3 negative

    Customers like the wires. They say it greatly simplified their wiring, makes a really neat wiring job, and is perfect for wiring up a jon boat. It's well designed and easy to wire, and it will save you hours on a wiring project. Customers also mention that it works great for custom golf cart wiring and neatly separates the positive and negative wires

    "...spares, that it is protected from the elements, and each fuse can be clearly marked...." Read more

    "...Totally easy and awesome and safe way to add some extra devices to your geek mobile. I wanted a constant powered cigarette lighter plug...." Read more

    "...It is easy to mount, easy to wire, provides good protection for the 12 VDC feed, and even has a simple labeling system for your fused connections...." Read more

    "...End result was less confusion on wiring, dependable fused circuits and an easy-to-understand/troubleshoot auxiliary electrical system...." Read more

    48 customers mention42 positive6 negative

    Customers like the size of the terminal block. They say it's excellent for mounting under the hood on a 2017 Honda Pioneer, and fits nicely into the dash of an old RV. The cover fits nice, has labels, and a place for two spare fuses. It's simple to install and perfect for their boat. The 4AWG wire fits well, and the cover clears the wire without needing any tools. Customers also say the size is perfect for most off-road accessories, and is well made and perfect to use for boat use.

    "...instructions and useful specifications such as torque values, precise dimensions, and maximum volt/amp ratings...." Read more

    "...The 4AWG wire fits well and the cover clears the wire without needing any modification...." Read more

    "...This block is the best size for the systems that I have installed. Nice quality." Read more

    "...circuit is rated up to 30 amps which is just about perfect for most off-road accessories...." Read more

    24 customers mention9 positive15 negative

    Customers are mixed about the water resistance of the terminal block. Some mention that it is water resistant but not waterproof, and that it keeps the fuse box dry. However, others say that the cover doesn't seal it, and it allows water to get to the fuses.

    "...By the way, this is made for below-deck use, so it’s not meant for direct exposure to weather...." Read more

    "...the purpose, but being made for marine applications, it can take weather and moisture without batting an eye...." Read more

    "...My only concern is the water resistance capability due to cover having large gaps for wire access...." Read more

    "...Is it really that hard to at least include a few?Water resistance is a joke...." Read more

    Easy to use
    5 Stars
    Easy to use
    I used this for my radios in my truck as a power location. I have two of these one under front console and this one in the picture on rear wall of truck cab. They are easy to mount and connect wires to.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on January 13, 2024
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Reviewed in the United States on September 18, 2023
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Reviewed in the United States on September 18, 2023
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Reviewed in the United States on February 25, 2024
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Reviewed in the United States on March 31, 2018
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Customer image
    5.0 out of 5 stars Solid, clear, nice, good price/quality: Recommended
    Reviewed in the United States on March 31, 2018
    I really like this fuse block. It looks and feels nice and solid. I installed it on my motorcycle (under the seat) so I easily can add accessories to it. Once connected the fuse block via a relay to a switched 12V wire, I only have to connect the pos. and neg. wires of the accessories to the fuse block. Very easy, and no messing with inline fuses. I also like that it has a pos. and neg. side, so I don't have to connect all the negative wires to my battery or grounded bolts. It just makes it very clear, also with replacing fuses. Another thing I like is the cover. I can put lugage on the fuse block without having to worry about damaging it

    I strongly recommend this product to motorcyclists who like to install accessories. It's way better than the cheap Chinese fuse blocks. Also way cheaper than the very expensive ones like the FZ1, which in my opinion you don't need, unless you want specific accessories turned on by ignition and other ones turned on always.
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    4 people found this helpful
    Report
    Reviewed in the United States on June 30, 2020
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Customer image
    4.0 out of 5 stars First unit came with a dead circuit, replacement unit seems to work very well!
    Reviewed in the United States on June 30, 2020
    Update 7/7/2020:
    Ordered a replacement via amazon that arrived the next day. I had originally contacted the distributer on the recommendation of amazon and have yet to get a reply. So I just returned the original unit and purchased a new unit. Same outcome, just faster.

    The new unit is working great so far with my 24 volt battery bank. Hopefully it was just an isolated quality control failure.

    I have connected the main #10 post terminals on this fuse block to busbars on my battery box using 4AWG wire with #10 ring terminals. The 4AWG wire fits well and the cover clears the wire without needing any modification.

    The posts for the individual circuits are #8 so I have connected each of them using 10AWG wire and #8 ring terminals. There is plenty of room allowing the cover to clear everything nicely.

    The additional wires on the posts that can be seen in the original photo I posted of the failed unit are leads from a 24Volt battery charger/power supply that is fused separately.

    The photos contain the information I found on the Blue Sea website that shows the dimensions of the 6 circuit and 12 circuit fuse blocks.

    Original Review; This seems well made for what it is and made for a clean install. I am concerned about the quality of the electrical components since one of the six circuits was dead on arrival. The same wire and same fuse work in all of the other 5 circuits but do not work in the number 2 spot. I will send this one back and order another hoping my experience is an exception and not the normal, either way it is not very confidence inspiring for an electrical safety device to come new with a failure. I will update the review after receiving the replacement and returning the faulty unit.
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    4 people found this helpful
    Report
    Reviewed in the United States on September 9, 2019
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    36 people found this helpful
    Report

    Top reviews from other countries

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    John
    5.0 out of 5 stars Great product!
    Reviewed in Canada on November 3, 2023
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    ashish
    5.0 out of 5 stars Five Stars
    Reviewed in India on January 23, 2017
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Marc
    5.0 out of 5 stars Five Stars
    Reviewed in the United Kingdom on July 17, 2014
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    peter phillips
    5.0 out of 5 stars Top quality
    Reviewed in Canada on October 30, 2021
    Style: 6 Circuit + NegColor: With coverVerified Purchase
    Alejandro Fariña
    5.0 out of 5 stars Muy buen servicio al mejor precio.
    Reviewed in Mexico on July 14, 2019
    Style: 6 Circuit + NegColor: With coverVerified Purchase