Description
Blue Sea 5023 ST-Blade Fuse Block | Boat Supply Store
Streamline 12V DC accessory power distribution directly at the battery terminal with this compact, integrated solution. It mounts directly onto a 3/8" [M10] battery stud, providing four fused circuits for essential electronics and equipment. Each circuit accepts ATO/ATC fuses up to 30A, with a total block capacity of 100A, ideal for powering navigation lights or bilge pumps on a center console offshore.
Key Features
- Easy installation directly on battery terminal stud
- Four ATO/ATC fused circuits for accessory protection
- Secure wire connections with #8-32 screw terminals
- Includes four nylon insulated ring terminals
- Protective insulating cover included
- Accepts Small Format Circuit Labels for clear identification
- Compact design for efficient space utilization
- Reliable Blue Sea Systems quality for marine environments
Specifications
| Product Specifications | |
|---|---|
| Number of Circuits | 4 |
| Fuse Type | ATO/ATC |
| Maximum Amperage per Circuit | 30A |
| Maximum Amperage per Block | 100A |
| Mounting Stud Size | 3/8" [M10] |
| Terminal Type | #8-32 Screw Terminals |
| Voltage | 12V DC |
Who This Is For
Boat owners and RV enthusiasts seeking a clean, organized method to add fused circuits for auxiliary equipment directly at the battery. DIY automotive users can also leverage this for streamlined accessory power management.
How It Compares
| Feature | Blue Sea 5023 ST-Blade Fuse Block | Competitor |
|---|---|---|
| Number of Circuits | 4 | 6, 1 |
| Fuse Type | ATO/ATC | ATO/ATC, ANL |
| Maximum Amperage per Circuit | 30A | 30A, 250A |
| Maximum Amperage per Block | 100A | 100A, 250A |
| Mounting Stud Size | 3/8" [M10] | 3/8" [M10], Varies |
Common Concerns Answered
I need more than 4 circuits. Is this the right product?
The Blue Sea 5023 is designed for four fused circuits. If your project requires more, consider the Blue Sea Systems 5025 model which offers six circuits. Ensure your accessory amperage requirements are compatible with ATO/ATC fuses.
Are the included ring terminals robust enough for high-vibration environments?
While functional, some users have noted preferences for higher-grade ring terminals in extreme applications. We recommend sourcing specialized marine-grade ring terminals if your installation demands maximum durability and corrosion resistance.
Can this fuse block handle high-amperage accessories?
Each circuit on the 5023 is rated for a maximum of 30A, utilizing ATO/ATC fuses. For circuits exceeding 30A or requiring ANL-style fuses with higher ratings, explore alternative fuse block solutions like the ANL Fuse Block with Stud Mount.
Frequently Asked Questions
What is the maximum amperage per circuit for the Blue Sea 5023 ST-Blade Battery Terminal Mount Fuse Block?
The maximum amperage per circuit for the Blue Sea 5023 ST-Blade Battery Terminal Mount Fuse Block is 30A.
What is the maximum voltage supported by this fuse block?
This fuse block is designed for 12V DC systems.
How many circuits does the Blue Sea 5023 offer?
The Blue Sea 5023 offers four fused circuits.
What type of fuses does this block accept?
This block accepts standard ATO and ATC type fuses, also known as ST-Blade fuses.
What size battery terminal stud does this fuse block mount on?
The fuse block mounts directly onto a 3/8" [M10] battery terminal stud.