
Economical method of manually charging and isolating batteries
and loads
Power requirements on boats have increased, and the Pro
Installer 400A Selector Battery Switch – MC10 offers high
power capacity (400 amps continuous), the ability to easily fit
doubled cables, and conform to the industry standard mounting
footprint (Guest, Perko, Blue Sea).
Pro Installer 400A Selector Battery Switch
Features:
- Industry standard footprint
- Three mounting options – surface, rear-panel and
front-panel - Compatible with metric and imperial mounting fasteners
- User friendly design
- Removable knob for isolation/safety
- Includes back cover and three side panels for security and
cable protection - Designed to withstand harsh marine environments
- High temperature reinforced plastics
Pro Installer 400A Selector Battery Switch
Specifications:
- Part number: 771-S
- Continuous rating: 400A
- Intermittent rating: 600A
- Cranking rating: 1500A
- Connection stud size: M10 (3/8”)
- 12-48V DC (Higher voltage applications on request)
- IP66 – protection from powerful water jets
- Ignition protected
- Independently tested to meet UL1107 standards
- CE
Note: Selector switches will not separate
electronics from harmful engine starting spikes. 771-S is replacing
721.








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