Description
Blue Sea 5191 Terminal Fuse Block 30-300A | Boat Supply Store
For marine applications demanding robust protection of high-amperage DC circuits, this terminal fuse block effectively safeguards systems up to 58V and 300A. Its isolated stud design facilitates efficient terminal stacking, crucial for optimizing space in compact electrical layouts prevalent on center console boats operating in offshore saltwater environments. The weatherproof construction ensures reliable operation even under the most challenging atmospheric conditions.
Key Features
- Isolated Studs for secure terminal stacking and a cleaner installation.
- High Amperage Capacity handles up to 300A for main power circuits.
- Compact Design ideal for space-constrained marine electrical panels.
- Weatherproof Construction ensures durability in harsh marine environments.
- Versatile Circuit Protection suitable for inverters, windlasses, and bow thrusters.
- 58V DC Rating meets the demands of modern boat electrical systems.
- M8 (5/16") Terminal Stud with a specified torque of 75 in-lb for secure connections.
- Included Insulating Cap to prevent accidental short circuits during installation or maintenance.
Specifications
| Product Specifications | |
|---|---|
| Voltage Rating | 58V DC |
| Amperage Rating | 300A |
| Terminal Stud Size | M8 (5/16") |
| Maximum Torque | 75 in-lb |
| Terminal Design | Isolated stud design for stacking |
| Weatherproof | Yes |
| Ignition Protected | No |
| Compatible Ring Terminals | 5/16" or 3/8" |
Who This Is For
Marine enthusiasts and professionals requiring robust, compact, and high-amperage circuit protection for demanding applications like main power, inverters, windlasses, and bow thrusters. This is particularly beneficial for smaller open-cockpit boats or installations in challenging marine conditions where reliable electrical safety is paramount.
How It Compares
| Feature | Blue Sea 5191 Terminal Fuse Block 30-300A | Blue Sea Systems 5192 Terminal Fuse Block 30 |
|---|---|---|
| Maximum Amperage | 300a | 300a, 300a |
| Maximum Voltage | 58v DC | 58v DC, 32v DC |
| Terminal Design | Isolated stud design for stacking | Single stud, Stud |
| Ignition Protected | No | No, No |
| Weatherproof | Yes | Yes, No |
Common Concerns Answered
Why is the Blue Sea 5191 more expensive than basic fuse holders?
The higher price reflects its specialized marine-grade construction, higher amperage capacity up to 300A, and the unique isolated stud design for secure terminal stacking, offering superior reliability and safety for demanding DC applications.
Is this fuse block ignition protected?
The Blue Sea 5191 is not ignition protected. For applications requiring ignition protection, such as within engine compartments, alternative solutions should be considered.
How does the terminal design benefit my boat's electrical system?
The isolated stud design allows for multiple ring terminals to be stacked securely on a single stud, simplifying wiring runs and creating a more organized and robust electrical connection point, especially valuable in compact boat installations.
Frequently Asked Questions
What is the maximum amperage rating for the Blue Sea 5191 Terminal Fuse Block?
The Blue Sea 5191 Terminal Fuse Block has a maximum amperage rating of 300A.
What type of fuse is compatible with the Blue Sea 5191 Terminal Fuse Block?
This fuse block is designed for use with high-amperage ANL fuses, which are sold separately and rated for the specific circuit protection required.
What is the maximum voltage rating for this fuse block?
The maximum voltage rating for the Blue Sea 5191 Terminal Fuse Block is 58V DC.
Can this fuse block be used in harsh marine environments?
Yes, the Blue Sea 5191 is constructed to be weatherproof, making it suitable for use in harsh marine environments.
What size ring terminals are compatible with the Blue Sea 5191?
The Blue Sea 5191 is compatible with both 5/16" and 3/8" ring terminals.
