Key features and specifications Contacts: Normally Open (NO) Base: Flat Base Metal Case Terminals: 1032 Type: 3 pole Battery Isolation Solenoid, 12VDC Electrical connections: 2 copper points Housing: plated steel case Mounting bracket: 180Flat mounting bracket Mounting holes: 5/16 x 19/32, 213/64 on centers Coil: uses 180℃ copper Electrical rating: max current above 200 A; rated current 100 A Cover and protection: environmental plating; sealed unit protects solenoid from the elements and helps prevent corrosion Installation reference: one side to battery, opposite side to starter, screw (smaller) to switch or key start only; internally grounded Benefits and what it solves Reliable battery isolation: NO contacts ensure the circuit is completed only when the coil is energized, providing effective isolation when off. Robust construction for tough environments: plated steel housing with an environmental protective cover offers enhanced durability against moisture, dust, and corrosion. current handling for 12V systems: designed to support up to 100 A continuous, with capability for higher current in brief surges, suitable for demanding starter or power isolation needs. Durable coil and connections: 180℃ copper coil improves thermal tolerance and electrical performance, while 1032 terminals provide a standard connection point for compatibility. Clear mounting and wiring options: precise mounting hole sizes and a flat base design simplify installation on a variety of vehicles and equipment. What makes it stand out 3 pole battery isolation configuration provides versatile control over multiple circuit paths while isolating the battery from the starter. The sealed, environmentally plated cover helps protect the solenoid in outdoor or exposed installations, reducing corrosion risk and maintenance needs. Straightforward 12VDC operation with clear wiring guidance, designed to integrate with standard automotive and small engine electrical systems. Installation and wiring guidance Connection setup: connect one side of the solenoid to the battery; connect the opposite side to the starter. Switch or key start: the smaller screw should be connected to the switch or key start circuit only. Grounding: the unit is already grounded internally. Applications and use scenarios Automotive starting systems: isolates the battery from the starter to improve reliability and reduce parasitic draw when the vehicle is off. Marine and outdoor equipment: sealed enclosure and corrosion resistance make it suitable for boats, ATVs, and other equipment exposed to moisture and the elements. Heavy machinery and offroad vehicles: 12VDC system with robust mounting and current capability supports reliable starting and power isolation in demanding environments.