This was the third fuseblock I tried in modifying the inadequate fusing of my 1957 MGA (it's British; what did you expect?). This was far and away the best of the lot -- robust in all respects, solidly mounted, simple. The others were quite wimpy and rattly in comparison. This one has an honest 100 amp copper bus bar and a binding post that can handle whatever you put into it. I liked that it was possible to disassemble and modify it to be more useful to my purposes; viz., I hacksawed the bus bar in order to have two buses, one fed at the post by battery to service a pair of circuits (horn), and then backfeed the (unfused) ignition switch onto the remaining section to power coil, heater blower, fuel pump, etc., that then became individually fused. I like that the fused outputs are via binding posts rather than quick-connect push-ons; those crimped ring wire terminations are not going to fail! And I regard this installation as one that I am not going to change in a long time.
Although this is marketed as a marine-application fuseblock, and has something of a cover, I would not rely on its being at all watertight -- but that's just fine for my application and maybe yours. In fact I just deleted the cover entirely for my situation.
I am thoroughly enamored of this piece of equipment and am recommending it to others in my MG car club. I will own up to the reason I find myself here... Original wiring of the car had coil and fuel pump unfused. When installing a new fuel line I screwed up and that metal fuel line had residual tension in it that caused it to jump into contact with the hot terminal of the fuel pump. Thus I smoked the wire and had to replace it. But I resolved to put a damn' FUSE into each of the many circuits, and I breathe far more easily now. It's a neat and tidy solution, far more organized than the multiplicity of in-line fuses that was my initial approach.
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From the manufacturer
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
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| 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 |
113
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396
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| Price | $21.33 | $29.37 | $23.38 | $29.00 | $29.21 | $38.26 |
| 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 | ✓ | ✓ | ✓ | ✓ |
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| 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 |
233
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1,435
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2,382
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| Price | $33.31 | $33.25 | $29.14 | $39.20 | $31.74 | $34.60 |
| 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 |
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| 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 |
6,217
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1,435
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| Price | $37.51 | $51.96 | $45.52 | $44.31 | $53.98 |
| 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 | ✓ |
Reviews with images
Benchmark in quality
Functions as expected with a clean look. Blue sea systems components are as reliable and used in my van build.
Top reviews from the United States
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Reviewed in the United States on September 9, 2023
Style: 6 CircuitColor: With coverVerified Purchase
I used this fuse block to run heavier wiring from a lithium battery to my fish finders. Have a heavier ground wire right below the dash where all the grounds connect to. This really helped organize everything and keep the fuses all in once place and easily accessible. Works great.
Images in this review
Reviewed in the United States on November 8, 2023
Style: 12 Circuit + NegColor: Without coverVerified Purchase
Functions as expected with a clean look. Blue sea systems components are as reliable and used in my van build.
Images in this review
Reviewed in the United States on November 18, 2013
Style: 6 CircuitColor: With coverVerified Purchase
Reviewed in the United States on September 29, 2023
Style: 8 CircuitColor: With coverVerified Purchase
Used two of these in my camper project . Perfect for a tight space . Good materials .. no issues .
Images in this review
Top reviews from other countries
The Duke
Top of the line baby
Reviewed in Canada on July 28, 2023Style: 8 CircuitColor: With coverVerified Purchase
Amazon Customer
Quality products.
Reviewed in Canada on July 10, 2021Style: 6 CircuitColor: With coverVerified Purchase
R. A. London
Top Quality
Reviewed in the United Kingdom on February 3, 2024Style: 4 CircuitColor: With coverVerified Purchase
rimuc
Absolut geiles Teil
Reviewed in Germany on May 11, 2023Style: 8 CircuitColor: With coverVerified Purchase
guy
great
Reviewed in Canada on April 11, 2019Style: 12 CircuitColor: Without coverVerified Purchase
