LAS Battery Disconnect Switches Littelfuse LAS Battery Disconnect Switches are standard compact manual disconnect switches that feature removable handles with plastic bodies. These switches are rated from 100A to 150A continuous currents with 24VDC operating voltage. The LAS series switches come with highly visible bright red handles, M8 or M10 terminals, and are weatherproof to Ingress Protection (IP) IP43 rating. These battery-disconnect switches operate between -40°C to 85°C temperature range. Typical applications include heavy trucks, off-road, emergency vehicles, material handling, mining, agricultural, marine, and construction.