Description
Blue Sea 12-Circuit Blade Fuse Block w/ Bus | Boat Supply Store
This Blue Sea Systems fuse block is engineered to provide robust protection and organized distribution for up to 12 individual DC circuits, mitigating risks associated with overcurrents on vessels. It integrates a negative bus bar for simplified and reliable grounding, a crucial element in marine electrical system integrity. With a maximum rating of 30 amps per circuit and 100 amps total system capacity, it's suitable for demanding applications like powering navigation lights, bilge pumps, or fish finders on offshore fishing platforms or coastal cruising yachts.
Key Features
- Consolidates 12 independent DC circuits for efficient management.
- Integrates a negative bus bar for streamlined grounding connections.
- Protects circuits from damaging overcurrents with ST blade fuses.
- Handles up to 30A per circuit and 100A total system load.
- Facilitates clear labeling of circuits for rapid identification.
- Features insulated base and bus bars for enhanced electrical safety.
- Accommodates standard ANL fuses for broad compatibility.
- Constructed for durable performance in marine environments.
Specifications
| Product Specifications | |
|---|---|
| Number of Circuits | 12 |
| Fuse Type | ST Blade |
| Maximum Amperage per Circuit | 30A |
| Maximum Amperage per Block | 100A |
| Voltage Rating | 32V DC |
| Terminal Stud Size | 1/4"-20 |
| Bus Bar Type | Integrated Negative Bus |
| Cover | Sold Separately |
| Dimensions | 7" (L) x 4.75" (W) x 2.25" (H) |
Who This Is For
Boaters requiring organized and protected distribution for multiple 12-volt DC accessories. Ideal for vessels with complex electrical needs, such as custom lighting, multiple electronics, or auxiliary systems.
How It Compares
| Feature | Blue Sea 12-Circuit Blade Fuse Block w/ Bus | Competitor |
|---|---|---|
| Number of Circuits | 12 | 6 |
| Fuse Type | ST Blade | ST Blade |
| Negative Bus | Yes | Yes |
| Maximum Amperage per Circuit | 30A | 30A |
| Maximum Amperage per Block | 100A | 60A |
Common Concerns Answered
Does this fuse block include a cover?
No, this specific model (5031) is sold without a cover. A cover can be purchased separately to provide additional protection for the fuses and connections.
Can I use fuses other than ST Blade types with this block?
This fuse block is specifically designed for ST Blade fuses, which offer a robust and reliable connection for marine applications. Using other fuse types may compromise performance and safety.
What is the total current capacity of this fuse block?
The Blue Sea 5031 fuse block has a total system capacity of 100 amps, distributed across its 12 individual circuits, each rated for a maximum of 30 amps.
Frequently Asked Questions
What is the purpose of the negative bus bar on this fuse block?
The integrated negative bus bar consolidates all negative connections from your circuits to a single point, simplifying wiring and ensuring a secure grounding path for all connected accessories.
What is the maximum DC voltage this fuse block can handle?
This Blue Sea Systems fuse block is rated for a maximum DC voltage of 32 volts, making it suitable for standard marine 12-volt electrical systems.
What size are the terminal studs for connecting wires?
The terminal studs on this fuse block are 1/4"-20, which is a common size for marine electrical connections, accommodating appropriately sized ring terminals.
How are circuits identified on this fuse block?
The fuse block includes a labeling area or space for attaching labels, allowing you to clearly identify the function of each protected circuit.
What are the physical dimensions of the 12-circuit fuse block?
The dimensions of the Blue Sea 5031 fuse block are approximately 7 inches in length, 4.75 inches in width, and 2.25 inches in height.
