Blue Sea Systems 5511e Battery Switch

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The Blue Sea Systems 5511e e-Series Dual Circuit Plus Battery Switch is a premium marine-grade switch designed to manage two independent battery banks with a single, easy-to-operate red knob. It combines the functions of two standard battery switches into one compact unit, offering Both, 1, 2, and Off positions for flexible power management. Built to rigorous marine standards, it delivers reliable performance and a clean installation for boats and off-road vehicles alike.
Key Features & Specs
| Switch Type | Dual circuit plus with Both, 1, 2, and Off positions for independent battery bank control |
|---|---|
| Current Rating | Rated for 300A continuous and 1000A for 5 seconds to handle high-demand electrical systems |
| Compatibility | Suitable for 12V and 24V DC systems, ideal for marine, RV, and off-road applications |
| Material | Corrosion-resistant glass-filled nylon housing with nickel-plated copper contacts for long-term durability |
| Mounting | Standard 2-inch round panel cutout with a compact footprint for easy dash or panel installation |
| Certifications | ABYC and ISO compliant, UL listed, and meets rigorous marine electrical safety standards |
| Warranty | Backed by Blue Sea Systems limited lifetime warranty |
Best for: Boaters, RV owners, and off-road enthusiasts who need a reliable, code-compliant solution for managing dual battery banks in a single, space-saving switch.