Blue Sea 11001 e-Series Battery Switch w/Alternator Field Disconnect - 3-Position

The e-Series Selector 3 Position Battery Switch with Automatic Fault Detection (AFD) is a vital component for marine electrical systems, allowing boat owners to seamlessly switch between multiple battery banks without any power interruption. Engineered for reliability and safety, this battery switch ensures optimal power management on board, meeting stringent marine industry standards.

Key Features

• Make-before-break contact design enables switching between battery banks without interrupting power supply
• CE Marked for compliance with European safety standards
• Ignition protected, ensuring safe installation on gasoline-powered boats
• Versatile mounting options with both surface and rear panel installation capabilities
• Compliant with American Boat and Yacht Council (ABYC) standards for battery switches
• 7/8" (22.22mm) stud length accommodates multiple cable terminals for flexible wiring
• 3/8"-16 tin-plated copper studs provide maximum conductivity and resist corrosion, compatible with 3/8" and M10 ring terminals
• Designed with tactile textures, allowing users to identify knob positions by feel alone

Technical Specifications

Safety Warning

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Additional Resources

Download Brochure (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.