Blue Sea Systems Battery Switch 4pos 350A – BSS-9001E

Overview

4-position marine battery switch rated at 350A continuous, designed for reliable DC circuit control and flexible bank selection in dual-battery systems.

Key Features

• 4-position selector: All / 1 / 2 / Both
• 350A continuous rating
• e-Series design for reliable DC switching
• Suitable for dual-battery configurations
• Compact marine-grade battery switch for DC systems

Compatible Applications

• Marine DC electrical systems requiring battery bank switching
• Dual-battery configurations in boats
• General battery isolation and bank selection in marine installations

Product Details

• 4-position e-Series marine battery switch
• 350A continuous rating
• DC circuit control and battery bank selection
• Manufacturer Part Number: BSS-9001E

Parts Desk Insights

Best Use Case: Ideal for dual-battery marine systems needing flexible bank selection (All, 1, 2, or Both).

Common Issues: Common user errors include selecting an incorrect position or wiring issues; ensure the switch is fully engaged in the desired position and wiring is correct.

Related Products & Accessories

• 2-Position 350A Battery Switch (BSS-9003E) – See related 2-position alternative for smaller bank switching.
• 4-Position 300A Battery Switch (BSS-6007) – 4-position switch with different current rating for comparison.
• M-Series 2-Position Lock 30A (BSS-6004) – M-Series option with locking feature for secure selection.
• ML-Series Remote Battery Switch (BSS-7700) – Remote-access battery switch solution.
• e-Series On-Off with AFD (BSS-9004E) – e-Series On-Off variant with AFD feature.
• e-Series 4-Position Selector with AFD (BSS-9002E) – e-Series with AFD, 4-position selector.