Blue Sea Systems 4-Position 300A Battery Switch – BSS-6007
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
4-Position 300A Battery Switch for Marine DC Systems
Take full control of your onboard battery banks with this heavy-duty 4-position battery selector switch. Rated at 300 amps continuous, it lets you select Battery 1, Battery 2, Both, or Off — giving you the flexibility to isolate banks, combine them for starting, or cut all power with a single turn of the knob.
Built to marine-grade standards, this switch handles the vibration, moisture, and corrosion demands of the marine environment and is suitable for both engine starting and house bank management.
Specifications
- Positions: 4 (1 / 2 / Both / Off)
- Continuous Rating: 300A
- Type: Rotary battery selector switch
- Application: Marine DC battery bank management
- Part Number: BSS-6007
- SKU: BSS-6007
Best Use Cases
- Dual battery bank management on powerboats and sailboats
- Isolating house and starting batteries to prevent accidental discharge
- Combining battery banks for high-demand engine starting
- Replacing a worn or undersized battery selector switch
Parts Desk Insights
The BSS-6007 is a solid all-around 4-position selector for boats running dual battery banks up to 300A continuous. If your system demands higher amperage or includes an alternator field disconnect for engine-off switching, step up to the 4-Position 350A BSS-9001E or the e-Series 4-Position Selector with AFD – BSS-9002e. For a 2-position On/Off setup, see the 2-Position 350A BSS-9003E. For remote switching capability, the ML Series Remote Battery Switch – BSS-7700 is worth considering for hard-to-reach installations. Pair any battery switch with a proper ANL fuse on the main feed for complete overcurrent protection.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 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.