This Type Of Switch Is Usually Mounted On The Control Panel Of The Boat, So That The Operator Can Easily Access It In Case Of Emergency. It Is Designed To Function Reliably Een In Aderse Marine Conditions, Such As Humidity And Corrosion. The Lofrans 100A Thermal Switch Is An Essential Component For The Safety And Protection Of The Onboard Electrical System And Should Be Installed By A Qualified Technician.