ID
1066004
$ 29.80
1-2 weeks delivery time
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The Blue Sea 5177 MRBF Terminal Fuse (50A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 50A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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Blue Sea 5177 - MRBF Terminal Fuse, 50A, 58V DC, 10000A @ 14V DC / 5000A @ 32V DC / 2000A @ 58V DC, Ignition Protected (SAE J1171), IP66
The Blue Sea 5177 MRBF Terminal Fuse provides compact, high-interrupt main DC circuit protection for battery systems and large battery banks. It is ignition protected for safe installation aboard gasoline powered boats and includes a clear window for quick visual confirmation of a blown condition.
This fuse requires the use of Terminal Fuse Blocks PN 5191 or PN 2151 — do not mount the fuse directly to the battery terminal.
Key Features
- MRBF terminal fuse rated at 50A
- Requires Terminal Fuse Blocks PN 5191 or PN 2151 (do not mount directly to battery terminal)
- Interrupt rating satisfies ABYC requirements for DC main circuit protection on large battery banks
- Ignition protected — safe for installation aboard gasoline powered boats
- Clear window for visual indication of blown condition
- Color coded for each amperage
Specifications
Parameter Value Amperage 50A Maximum Voltage 58V DC Interrupt Capacity 10000A @ 14V DC
5000A @ 32V DC
2000A @ 58V DCIgnition Protected Yes Weight 0.06 lb (0.03 kg)
Works With
- All Terminal Fuse Blocks
Regulatory Specifications
- Ignition Protected
- IP66
- SAE J1171
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