

Blue Sea Systems
Blue Sea E-Series 350A Battery Switch – 3 Position
The Blue Sea E-Series 350A Battery Switch (3 Position) is a high-performance, marine-grade battery selector switch designed for demanding dual battery systems. With a rated continuous current of 350A and a robust selector for OFF–1–2 positions, this switch allows you to manage power from two battery banks safely and efficiently.
Ideal for isolating batteries or selecting charging sources, the E-Series is built for reliability in harsh marine conditions. Its ignition-protected, heavy-duty design is trusted in both recreational and commercial vessels.
Features:
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3-position selector: OFF 1 2
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350A continuous / 600A intermittent / 1200A cranking capacity
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Suitable for 12V, 24V, or 48V systems
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Ignition-protected and meets ABYC standards
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Tin-plated copper studs for maximum conductivity
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Suitable for surface or rear panel mount
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Marine-grade construction – corrosion and vibration resistant
Whether you’re switching or isolating battery banks, trust Blue Sea Systems for dependable onboard power control.