Blue Sea Systems Battery Switch 4pos 350A - BSS-9001E
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
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.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.