Blue Sea Systems BSS Switch Rotary120VAC 30A OFF+2The Blue Sea Systems 9009 AC Rotary Selector Switch is a versatile, heavy duty panel mounted solution for seamless AC source management. Rated at 30 A for 120 V AC (also suitable for 230 V), this two pole switch allows reliable selection between shore power and generator with OFF plus two selectable positions. Compact and UL listed, it fits panels up to 0. 16 thick, handling up to 600 VAC and drawing minimal space at just 1. 89 square with 1. 91