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The Blue Sea Systems 5021 Panel Mount Fuse Holder is a high-quality, water-resistant fuse holder designed for above-deck marine and automotive applications. Rated for 20 amps and 32 volts, it features a durable stainless steel or anodized aluminum construction and an easy-open design for quick fuse changes. Perfectly compatible with Contura Waterproof Fuse Panels, it withstands harsh conditions like salt spray and rain, ensuring reliable electrical protection where it matters most.
| AC Adapter Current | 20 A |
| ASIN | B000XBB8YI |
| Best Sellers Rank | #27,941 in Automotive ( See Top 100 in Automotive ) #64 in Automotive Replacement Fuse Holders |
| Brand | Blue Sea Systems |
| Brand Name | Blue Sea Systems |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 1,770 Reviews |
| EU Spare Part Availability Duration | 5 years |
| Global Trade Identification Number | 00632085050214 |
| Included Components | Blue Sea 5021 Water Resistant Fuse Holder |
| Item Dimensions | 5 x 3 x 1 inches |
| Item Highlight | Water-resistant above-deck design; 1/2-inch mounting hole; replacement for Contura fuse panels |
| Item Type Name | Blue Sea 5021 Water Resistant Fuse Holder |
| Item Weight | 9.07 g |
| Item dimensions L x W x H | 5 x 3 x 1 inches |
| Manufacturer | Blue Sea Systems |
| Material | Stainless Steel or Anodized Aluminum |
| Material Type | Stainless Steel or Anodized Aluminum |
| Maximum Current | 20 A |
| Model | 5021 |
| Mounting Type | Through-Hole Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 5021-BSS |
| UPC | 632085050214 |
| Unit Count | 1 Count |
| Voltage | 32 volts |
| Warranty Description | Warranty |
J**H
Good stuff
Good quality little fuse holder.
A**R
Good price good prodct
Works
G**S
A good replacement.
Just exactly what I needed. A good replacement Great service and price.
W**N
Good price and easy wire connection
I needed an external fuse for a Dewalt compressor - D55140 which has an internal fuse. Fixed! The rubber washer needs to be a higher Durometer to keep it in place.
E**K
Restore that antique tractor
Awesome fit for my Farmall Cub
F**M
Works with Both 1/4"x1-1/4" and 6x30mm Fuses
I bought this to replace a 5x20mm fuse holder rated at 15A, but got hot and lost 0.5+V at 10A. I tested this one and it held AGC/MDL, and 6x30mm fuses just fine. As others have written and Chinese influenced moron Amazon the fuse sizes are not the same. Some fuse holders can take both some cannot. It worked fine at 12V 10A with a 6x30mm SloBlo fuse (Chinese MDL semi-clone). 1/4" spade connectors held terminal fine as well. The plastic nut tightened down enough to smash the rubber gasket out. Had to readjust the nut to release the gasket. Overall, I am pleased with its performance.
M**W
Higher quality fuse holder
This fuse holder is of higher quality than comparable units. It's a quarter-turn quick release design. Feels more heavy duty than other units. Contact points are larger and of thicker gauge. Unfortunately, I didn't read deep enough to realize this won't accept a 5x20mm fuse. It's a different style (MDL/AGC sized fuses). That's entirely my fault for being in a rush. However the build quality of this was so good I'm keeping it in case I need it in the future for a different project. Packaging indicates 20A maximum current. Blue Sea Systems is a US-based company in Washington state. The packaging indicates it was assembled in Mexico. So this product can be considered "American made".
E**R
OK, but smaller than normal
Have a number of these type fuse holders, in and out of equipment and they tend to be fairly standard. However, these are unusually small so I wouldn't buy again. However, the fuses fit and they "work" but with their small size they may be a little fragile. Since these type fuse holders protrude from the panel, they often get broken.
C**O
Quality unt.
Well built rated for 20a , I needed one for 15a, direct replacement, a little extra beef is good. Beware cheaper units as they are rated for less amperes. Perfect fit in 7/16" panel hole.
E**A
Confiables y de buena calidad
Excelente reemplazo para los originales. Fácil instalación y buena calidad del producto. Mi sistema eléctrico mejoro su confiabilidad ahora que ya no tengo falsos contactos por los portafusibles viejos.
J**N
perfect fit .. and proper amperage rating!
3 way rv fridge cooked the original fuse holder ... as when it's on 12v ..the fridge draws at least 20amps! So ... most of the fuse holders are rated at that or below. You don't want to use it at the max continuously! Good product.
E**Z
Muy bueno
Excelente calidad -precio, aguantan bien!
G**S
Same as OEM
Good replacement part
Trustpilot
4 days ago
3 days ago