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The Blue Sea Systems 4321 Circuit Breaker Switch Panel is a rugged, water-resistant 4-position panel designed for 12V DC systems. Featuring illuminated 15A breakers, dual USB charging ports, and a 12V socket, it offers reliable power management with a max 45A load. Its UV-stabilized, flame-retardant surface and IP66 rating ensure durability and protection against harsh environments, making it ideal for marine and outdoor applications. Easy to retrofit with industry-standard sizing and backed by a lifetime warranty.





| ASIN | B07PT6KF3S |
| Best Sellers Rank | #152,748 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #118 in Circuit Breaker Panels #1,127 in Circuit Breakers |
| 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 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (59) |
| 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 | 1.0 Count |
| Warranty Description | Lifetime |
| Wattage | 180 watts |
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