DPDT intermittent duty. Common ground coil. Two blade coil terminals, 5/16" -24 large studs. Copper contacts. F bracket. 75A make and break, maximum On time 5 mins. 125A make and break, maximum On time 0.5 sec. Allow 5 mins. Off after max. On time. Max. operating voltage 14.5V DC. Cycle life 10,000 cycles at 5 sec. On, 25 sec. Off. Shipped w/ mounting hardware.