Blue Sea Systems - BS-5023B
Blue Sea Systems ST Blade 4 Circuit Fuse Block Battery Terminal Mount BS-5023B
Ideal for 4WD battery systems, caravans, marine setups, camper trailers, and off-grid systems adding multiple fused accessories.
- Fast dispatch Australia-wide from Battery Force
- Genuine Blue Sea Systems product
- Keeps wiring clean and organised
- Ideal for professional and DIY installs
- Expert support available before and after purchase
The Blue Sea Systems ST Blade 4 Circuit Fuse Block is a compact and convenient solution for adding fused accessory circuits directly from your battery terminal. Designed to mount straight onto the battery terminal stud, it makes adding accessories cleaner, faster, and more organised in marine, caravan, 4WD, and off-grid electrical systems.
Featuring four ATO®/ATC® fused circuits, this fuse block allows you to safely power multiple accessories from a single battery connection point. Screw terminals provide secure wire connections, while the included insulated ring terminals simplify installation.
The included protective cover helps shield fuse connections from accidental contact, making this an ideal solution for tidy and protected power distribution.
Key Features
- 4 circuit fused power distribution block
- Mounts directly to battery terminal stud
- Accepts ATO®/ATC® blade fuses
- Ideal for adding accessory circuits
- Screw terminals for secure wiring
- Includes four nylon insulated ring terminals
- Protective insulating cover included
- Accepts small format circuit labels
- Compact design for clean installs
- Genuine Blue Sea Systems quality
Specifications
| Stock Code | BS-5023B |
| Brand | Blue Sea Systems |
| Product Type | Fuse Block |
| Circuit Capacity | 4 Circuits |
| Fuse Type | ATO® / ATC® Blade Fuses |
| Mounting Type | Battery Terminal Mount |
| Wire Connection | Screw Terminals |
| Ring Terminals Included | Yes (4) |
| Protective Cover | Included |
| Label Compatibility | Small Format Circuit Labels |
Share
What is this fuse block used for?
What is this fuse block used for?
It allows you to safely add multiple fused accessory circuits directly from your battery.
What fuse type does it use?
What fuse type does it use?
It accepts standard ATO® and ATC® blade fuses.
Does this mount directly to the battery?
Does this mount directly to the battery?
Yes, it mounts directly to the battery terminal stud for a compact installation.
Are terminals included?
Are terminals included?
Yes, four nylon insulated ring terminals are included.
Is this suitable for 4WD or caravan installs?
Is this suitable for 4WD or caravan installs?
Yes, it’s ideal for marine, caravan, off-grid, and vehicle accessory setups.

Join the Battery Force Community
No spam, just great hints, tips, new products and exclusive offers.