








🔌 Power your adventures with confidence — switch smart, stay unstoppable!
The Blue Sea Systems 300 Amp m-Series Battery Switch is a premium single-circuit ON/OFF switch designed for high-demand electrical setups. Featuring a robust 300A continuous rating and 48V max voltage, it offers seamless battery bank switching with a make-before-break contact design. Built to marine-grade standards with IP66 waterproofing and ignition protection, it meets ISO 8846 and ABYC safety certifications. Ideal for boating and campervan electrics, this switch combines durability, safety, and ease of installation backed by a premium warranty.









| ASIN | B00445KFZ2 |
| Batteries | 1 Unknown batteries required. |
| Batteries included? | No |
| Best Sellers Rank | 23,337 in Automotive ( See Top 100 in Automotive ) 85 in Car Battery Switches |
| Brand | Blue Sea Systems |
| Color | Red |
| Connector type | Clamp |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,903) |
| Date First Available | 6 Aug. 2012 |
| Department | unisex-adult |
| Height | 3 inches |
| Included components | BATTERY SWITCH MINI SINGLE CRCT |
| Is discontinued by manufacturer | No |
| Item display length | 7 inches |
| Item display width | 4 inches |
| Item model number | 6006 |
| Manufacturer | Blue Sea Systems |
| Material type | Other |
| Number of items | 1 |
| Product Dimensions | 7.62 x 10.16 x 15.24 cm; 90.72 g |
| Size | One Size |
| Sport | Boating |
| Style | On-off W/Knob |
| Usage | personal |
| Wattage | 14400 watts |
| Weight | 1.5 kg |
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