Two positions: Off-On. Rating: 6-36V DC; 175A continuous, 1000A intermittent (15 sec. On, 5 min. Off). Terminals: two 3/8" copper studs. Actuators: chrome plated lever. Brass case. Mounting stem brass, 3/4" - 16 thread, 1-13/32" long, fits panel through 15/16" thick. Installation: through hole - clearance for 3/4" dia. mounting stem.