Blue Sea E-Series Dual Circuit Plus Battery Switch Blue Sea E-Series Dual Circuit Plus Battery Switch
Diagram of a boat motor's electrical system with batteries, switch, and motor on a white background. Diagram of a boat motor's electrical system with batteries, switch, and motor on a white background.
Blue Sea E-Series Dual Circuit Plus Battery Switch
Diagram of a boat motor's electrical system with batteries, switch, and motor on a white background.

Blue Sea Systems

Blue Sea E-Series 350A Battery Switch – Dual Circuit Plus

$169.90
Tax included.

The Blue Sea E-Series 350A Battery Switch – Dual Circuit Plus is designed to safely manage and isolate both engine and house battery banks with a single switch. Ideal for 12V and 24V DC marine systems, this switch allows simultaneous control of two circuits while keeping them isolated to protect sensitive electronics.

The added benefit of this unit is the COMBINE switch. This will connect the two battery banks to allow full use of the batteries. Ideal if your starter battery runs low and will not start the engine on its own.

Rated for 350A continuous current, the Dual Circuit Plus switch features ignition protection, corrosion-resistant materials, and multiple mounting options. It’s trusted by marine professionals for dependable battery management on recreational and commercial vessels.

✅ Key Features:

  • Dual Circuit Plus™ design isolates engine and house circuits

  • Combines both batteries for full use of power

  • Rated for 350A continuous current

  • Ignition protected – safe for engine compartments

  • Suitable for 12V and 24V DC electrical systems

  • Surface or rear panel mounting flexibility

  • Waterproof, UV and corrosion-resistant housing

  • Meets ABYC and UL 1500 standards

Smart battery management made easy — available now at Barton Marine NZ.