Blue Sea M Series Dual Circuit Plus 2-Battery Switch 300 Amp. Electric This product is ideal for

This product is ideal for boat owners who need to manage multiple batteries efficiently and safely

Face plate dimensions: 2-1/2" x 2-1/2"

either one 3 inch

Detailed coverage of the 10

Blue Sea M Series Dual Circuit Plus 2-Battery Switch 300 Amp. Electric This product is ideal forBlue Sea M Series Dual Circuit Plus 2 Battery Switch 300 Amp. A compact battery switch that simplifies switching and offers multiple installation options. Simultaneously switches two isolated battery banks or combines battery banks to all loads. Blue Sea Systems e Series Dual Circuit Plus switches isolate your Start and House battery circuits, preventing accidental discharge of the starting bank and protecting your electronics from engine starting