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⚡ Stay Powered, Stay Protected — The Ultimate Circuit Panel for the Modern Pro
The Blue Sea Systems 4321 Circuit Breaker Switch Panel is a rugged, water-resistant 4-position panel designed for 12V DC systems with a max 45A load. Featuring illuminated 15A breakers, dual USB charging ports, and a 12V socket, it combines advanced safety with versatile power delivery. Its UV-stabilized, flame-retardant polycarbonate/ABS surface and IP66-rated sealing ensure durability and protection against harsh environments, making it ideal for professional-grade marine or vehicle electrical setups.
| ASIN | B07PT6KF3S |
| Best Sellers Rank | #129,952 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #98 in Circuit Breaker Panels #693 in Circuit Breakers |
| Brand | Blue Sea Systems |
| Brand Name | Blue Sea Systems |
| Circuit Type | 4-way |
| Color | Gray |
| Compatible with Vehicle Type | Navy |
| Connector Type | 1/4" Male Quick Connect |
| Contact Material | Copper |
| Contact Type | Normally Closed |
| Control Method | App |
| Control Type | manual |
| Controller Type | Ring |
| Current Rating | 45 A |
| Customer Reviews | 4.7 out of 5 stars 59 Reviews |
| Included Components | Panel, 15 common square labels, stainless steel #6 5/8" mounting screws, Instructions |
| International Protection Rating | IP66 |
| Item Dimensions | 8.5 x 5.5 x 4 inches |
| Item Type Name | Water-resistant Panel |
| Manufacturer | Blue Sea Systems |
| Material Type | Plastic |
| Model | 4321 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 4 |
| Operating Voltage | 12 volts |
| Operation Mode | manual |
| Part Number | 4321 |
| Specification Met | Ip66 |
| Switch Type | Push Button |
| Terminal | 1/4" Male Quick Connect |
| UPC | 632085043216 |
| Unit Count | 1 Count |
| Warranty Description | Lifetime |
| Wattage | 180 watts |
T**D
Nice looking panel
Great looking panel. Lighted and covered switches are nice. So great to have the USB plugs and a 12-volt outlet at the bottom. Good quality item.
L**S
Great product
4 gang with one allotted to the USB and 12 volt outlet. I spliced into the USB circuit to run low draw interior led lights. Very nice
M**L
Small boat electrical panel.
Installed this unit in my dingy to avoid multiple inline fuses and battery connections. Looks neat and is waterproof.
J**A
Very High Quality
Somewhat easy to install very good quality box.
J**D
Good product but it did not come with the 15 included labels
The panel itself is fine and works as advertised. The included labels were not in the packaging and I was forced to buy a pack separately.
Trustpilot
1 month ago
2 months ago