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🛥️ Fuse your power with confidence — the ultimate marine circuit guardian!
The Blue Sea Systems MRBF Terminal Fuse Block is a compact, high-amp fuse block designed for marine and harsh environment applications. Rated for up to 300 amps and 58 volts DC, it features weatherproof construction, ignition protection when paired with MRBF fuses, and an insulating cap to prevent shorts. Ideal for protecting critical circuits like DC mains, inverters, windlasses, and bow thrusters, this premium fuse block mounts securely with a 3/8" threaded hole and uses 5/16"-18 terminal studs.
| ASIN | B002INJXO6 |
| Best Sellers Rank | 182,643 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 666 in Deck Hardware |
| Brand | Blue Sea Systems |
| Colour | Double Fuse |
| Connector Type | Screw terminal |
| Country Of Origin | USA |
| Current Rating | 300 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,132) |
| Global Trade Identification Number | 00632085021511 |
| Included Components | Blue Sea Systems 2151-BSS Dual MRBF Terminal Fuse Block - 30 to 300A |
| Item Dimensions W x H | 6.4W x 8.9H centimetres |
| Item Type Name | Blue Sea Systems 2151-BSS Dual MRBF Terminal Fuse Block - 30 to 300A |
| Item Weight | 4.8 Ounces |
| Manufacturer | Blue Sea Systems |
| Manufacturer Part Number | 2151 |
| Material | Plastic |
| Model Number | 2151 |
| Mounting Type | 3/8 inch threaded mount |
| Number Of Contacts | 2 |
| Number Of Poles | 2 |
| Number of Positions | 2 |
| Specification Met | Unspecified Standards Meet |
| UPC | 632085021511 |
| Unit Count | 1.0 Count |
| Voltage | 58 Volts (DC) |
M**T
Neat arrgt. but pricey
Very neat system for mounting fuse directly to battery terminal. Changed battery lugs to cargo type so that fuse block would be mounted vertically.
P**K
Way too expensive for what it is...
Ridiculously expensive. Well made product but you have to question the cost. Quality costs... unless you're being ripped off!
M**N
This compact, well-made design worked perfectly in my fifth-wheel RV. I made the switch from lead acid to LiFePO4 battery power with solar charging. I needed a compact device to provide a primary fused circuit breaker right at my 300 Sh battery. This does the job of providing protection at a reasonable cost.
T**S
I bought 2 of these and as I thought, they are very well made and I'm sure will work for me very well.
P**1
Sehr gutes Produkt, ermöglicht eine schlanke Elektroinstallation mit dem Nachteil, daß die Sicherungen ihren Preis haben. Für mich aber trotzdem angenehmer, als eine extra MEGAfuse-Box plus Kabel einzubauen.
A**R
Well made, easy to fit
P**W
Great quality. Need to purchase the fuse separately.
Trustpilot
3 weeks ago
5 days ago