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Off/On Combine Battery Switch without Base - Panel Mount - Red
The Dual Circuit Plus switch builds on the standard dual circuit configuration by adding an emergency parallel function. This allows both circuits to combine instantly in the event of a start battery failure—delivering backup power when you need it most.
Smart Power Management
- Provides secure isolation during normal operation
- Emergency parallel mode ensures dependable backup starting power
- Ideal for both marine switch panels and RV electrical systems
Durable Marine-Grade Construction
- Non-corrosive marine-grade metals and reinforced polycarbonate housing
- Ignition protected for safe use aboard gasoline-powered boats
- Built to withstand vibration, salt spray, and harsh environments
High-Performance Connections
- 3/8″-16 tin-plated copper studs maximize conductivity and resist corrosion
- Compatible with both 3/8″ and M10 ring terminals
- 7/8″ stud length fits multiple cable terminals with ease
User-Friendly Design
- Tactile knob textures make the switch position easy to feel
- International ON/OFF legends and ICON label set included
- Versatile mounting options: surface, front panel, or rear panel
Why Choose the Dual Circuit Plus Switch?
This switch combines isolation, emergency backup, and rugged construction in one unit. Whether upgrading a boat or RV, the Dual Circuit Plus delivers reliable performance and peace of mind on the water or on the road.
Specifications:
- Continuous Rating: 300 Amps DC
- Intermittent Rating: 450 Amps DC (5 min)
- Cranking Rating: 675 Amps DC (30 sec)
- Max Voltage: 32VDC
- Cable Size: 4/0 AWG
![]() | WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. |
Product images may differ from actual product appearance.
- This item cannot be shipped to PO Boxes.
- This item can be shipped only within the U.S.
- UPC: 810196331211
- Mfr's Part #: 9800-011-10


Many items at NothingButSavings.com offer FREE Budget Shipping. Plus, as with many
of our competitors which do offer free shipping, we don't ask you to spend a specified
amount in order to qualify for FREE Budget Shipping.










