Sierra BS11020 Battery Switch 1/2/BOTH/OFFSierra’s BS11020 Battery Switch is a 4-function switch that can support 2 battery inputs. This switch has an 1-2-BOTH-OFF function. The BS11020 features a unique ergonomic knob that’s designed to be removable for an added level of safety and isolation. Additionally, this switch has a robust glass fiber reinforced nylon enclosure for added durability. Surface or panel mount options provide flexibility during installation and removable windows on all four sides allow for unobstructed wiring.Features:Unique ergonomic and aesthetic knob designRobust Glass Fiber reinforced Nylon enclosureSurface or panel mount options provide flexibility during installationIncludes (4) M4x35 Mounting ScrewsMeets Ignition Protection Standard (ISO8846/ SAE J1171)Interchangeable knob labels for easy identificationCE certified; IP66 RatedSpecifications:Function: 1-2-BOTH-OFFMaximum Voltage Rating: 48VDCStud Size: M8Cranking Rating: (10 Seconds): 1000AIntermittent Rating: (5 Minutes): 300AContinuous Rating: 200ABattery Input: 2Switch Function: 4Battery Studs: Tin-Plated CopperStud Torque: 120 lb.-inCable Size: 4/0 AWG to Meet RatingsInterchangeable with:Blue Sea6007