Blue Sea Systems 11001BSS Battery Selector Switch 3-Position with Alternator Field Disconnect

The Blue Sea Systems 11001BSS is a heavy-duty marine battery selector switch designed to manage power distribution between multiple batteries and load groups. This rugged 3-position switch allows you to select between two batteries or combine them for maximum power delivery to your electrical system.

Key Features:

• 3-position selector: Battery 1, Battery 2, or OFF
• Integrated Alternator Field Disconnect (AFD) protects your alternator from damage
• 600 amp intermittent rating for high-demand starts and surges
• 350 amp continuous rating for sustained power delivery
• 32 volt DC maximum system voltage
• Ignition protected design meets ABYC and USCG standards for marine safety
• Heavy-duty construction with corrosion-resistant materials

The Alternator Field Disconnect feature is critical for preventing alternator damage when switching batteries under load. This switch is ideal for boats, RVs, and other mobile applications where reliable battery management is essential. The ignition protection certification ensures safe operation in engine compartments and other areas where flammable vapors may be present.