Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect

The 3003 HD-Series Battery Switch Selector with Alternator Field Disconnect is engineered for marine enthusiasts who demand reliability and performance. Perfect for gasoline-powered boats, this robust battery switch ensures seamless power management and easy installation, enhancing your boating experience.

Key Features

• 500 Ampere Continuous Rating for high-demand marine applications
• Compatible with 4/0 battery cables, ensuring secure and efficient connections
• Ignition protected design, enhancing safety aboard gasoline-powered vessels
• .870" (22.01mm) stud length accommodates 4 or more cable terminals, providing flexibility in wiring setups
• 1/2" (M12) tin-plated copper studs offer maximum conductivity and corrosion resistance, ideal for marine environments
• Meets American Boat and Yacht Council (ABYC) standards for battery switches, ensuring compliance and safety
• Ergonomic tactile textures allow you to identify knob positions by feel, even in low visibility conditions
• Versatile mounting options with case design for both surface and rear panel installation
• Compatible with all Perko and Guest low amperage battery switch hole patterns, facilitating easy replacement

Specifications

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.

Owner's Manual (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.