Blue Sea Systems 9002E e-Series 4 Position Selector Battery Switch with AFD

The Blue Sea Systems 9002E e-Series Battery Switch is a professional-grade 4-position selector switch designed for marine electrical systems. This switch allows you to manage isolated battery banks, switching them to all loads or combining them to power your vessel's electrical system without interruption.

Key Features:

• Make-before-break contact design enables switching between battery banks without power interruption
• Integrated AFD (Alternator Field Disconnect) protects your alternator from voltage spikes
• Ignition protected for safe installation aboard gasoline-powered boats
• Versatile mounting options: surface mount or rear panel mount
• 3/8"-16 tin-plated copper studs provide maximum conductivity and corrosion resistance
• 7/8" (22.22mm) stud length accommodates multiple cable terminals (accepts 3/8" and M10 ring terminals)
• Tactile textures on knob indicate position by feel for easy operation
• Meets American Boat and Yacht Council (ABYC) requirements for battery switches
• CE Marked for international compliance

This battery selector switch is ideal for boats with dual battery systems, allowing you to isolate batteries for charging, combine them for heavy loads, or switch between them seamlessly. The alternator field disconnect feature is essential for protecting your charging system when switching battery banks under load.