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
Specifications:
- Continuous Amperage: 300
- Positions: 3
- Box Dimensions: 3″H x 6″W x 9″L WT: 0.75 lbs
- UPC: 810196331211
Quick Guide (pdf)
Brochure (pdf)
SKU:BLU-9800-011-10

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