Sierra BS11000 2-Position Battery Switch - ON/OFF w/ Alternator Field DisconnectThe Sierra BS11010 Battery Switch is a 2-position switch with ON-OFF function and Alternator Field Disconnect (AFD). This battery switch features a unique ergonomic and aesthetic knob design and a robust glass fiber reinforced nylon enclosure. Surface or panel mount options provide flexibility during installation and removable windows on all four sides allow for unobstructed wiring. Features: Smallest battery switch with Alternator Field Disconnect in the market; Removable knob for added level of safety and isolation; Robust Glass Fiber reinforced Nylon enclosure; Removable windows on all four sides for unobstructed wiring; Surface or panel mount options provide flexibility during installation; Meets Ignition Protection Standard (ISO8846/ SAE J1171); CE certified; IP66 Rated; Includes (4) M4x35 Mounting Screws; Specifications: Function: ON-OFF; Maximum Voltage Rating: 48VDC; Stud Size: M10; Cranking Rating: (10 Seconds): 1250A; Intermittent Rating: (5 Minutes): 455A; Continuous Rating: 275A; Battery Input: 1; Switch Function: 2; Battery Studs: Tin-Plated Copper; Stud Torque: 120 lb.-in; Cable Size: 4/0 AWG to Meet Ratings;