Blue Sea Systems MRBF Terminal Fuse Block, 30-300A
5 sold in last 24 hours
- Voltage Max Operating: 58V DC, Amps Max Operating: 300A per block, Terminal Fuses Avail.: 30A-300A, Terminal Stud Size: 5/16"-18 (8mm), Mounting Hole Size: 10 (5mm)3/8"
- Compact, high-amp fuse—appropriate for DC Main, inverter, windlass, and bow thruster circuit protection
- Weatherproof – suitable for small open-cockpit boats and other harsh environments
- Insulating cap prevents accidental shorts
- Ignition protected when used with MRBF fuses
- Fuses sold separately
- Fit type: Universal Fit
Estimated shipping
Select a product to estimate shipping.Fuse Block, Battery Post Mount, 1 stud, MFG# 5191, Accepts MRBF fuses from 30-300 Amp. Mounts on 3/8" (MN10) Battery Post, single 5/16" stud for wire connections. Fuse not included.
Blue Sea Systems MRBF Terminal Mount Fuse Blocks
Marine-grade, ignition-protected fuse blocks accommodate high amperage MRBF fuses. Suitable for protecting DC main, inverter, windlass, and bow thruster circuits. Mounts on a 3/8" battery post, battery switch or busbar, allowing for easy installation in tight space constraints and satisfies ABYC 7" circuit protection rule. Includes insulating cap to prevent accidental shorts.
Blue Sea Systems MRBF Surface Mount Fuse Blocks
Surface mount fuse blocks accommodate three MRBF fuses for consolidated high amperage circuit protection. Utilizes marine-grade stainless steel and UV-stabilized plastics, and are ignition protected. The independent source fuse block (part number 5194) is ideal for 3 output battery chargers. The common source fuse block (part number 5196) provides 3 loads from a single source. Clip-on cover insulates terminal connections and includes label recesses for easy circuit identification.
Product details




| Main Specification | |
|---|---|
| Manufacturer | Blue Sea Systems |
| Unit Count | 1 Count |
| Specification Met | Sea |
| Current Rating | 300 A |
| Brand | Blue Sea Systems |
| UPC | 632085051914 |
| Number of Items | 1 |
| Item Pitch | 8 millimeters |
| Gauge | 1 |
| Included Components | Blue Sea Systems 5191-BSS MRBF Terminal Fuse Block - 30A-300A |
| Voltage | 58 volts |
| Material | Plastic |
| Colour | Single Fuse |
| Connector Type | Screw |
| Global Trade Identification Number | 00632085051914 |
| Mounting Type | hole mount |
| Number Of Contacts | 10 |
| Item Weight | 2.56 ounces |
| Technical Details | |
| Part Number | 5191-BSS |
| Model | 5191-BSS |
| Material Type | Plastic |
| Number of Positions | 1 |
| Number Of Poles | 1 |
| Item details | |
| Item Type Name | Blue Sea Systems 5191-BSS MRBF Terminal Fuse Block - 30A-300A |
| Others | |
| Item Highlight | 58V DC max or compact isolated-stud design or insulating cap or fuse sold separately |
| Product Type | Blue Sea Systems 5191-BSS MRBF Terminal Fuse Block - 30A-300A |
| Item Dimensions W x H | 2.5"W x 2"H |
| Pitch | 8 millimeters |



