This product is rated at 275 amps with a surge capability of 800 amps. It is a disconnect switch that allows for time delay from 0-20 minutes that is user adjustable. It can ban switched by positive or negative inputs. It is completely sealed and low profile. It has a built in over temperature shut down to prevent damage in case of shorts. This is a great replacement for those pesky solenoids that routinely fail. The time delay allows crews to remove items from module after the power is turned off. It has a built in led indicator light to show power status. The studs are 3/8-16 threaded with brass contact pads.