Specially designed for demanding applications with higher energy circuits, typically 30A at 12V DC. Silver contacts. 4-position Acc - Off - Ign/Acc - Ign/Start 4 screw terminals. Actuator: two short Hencol keys. Shutter lock seal. O-ring seal in stem 1"-24 bushing. Spring return to Ign/Acc. Key removable at Off. Ratings at 12V DC: 20A Accessory, 20A ignition, 10A start.