M-284 Cole Hersee, marine grade disconnect switch with long mounting stem, SPST - two positions: Off-On. 6-26Vdc; 175A continuous, 1000A intermittent (15 Sec on, 5 min off), two 3/8 copper studes, chrome lever, brass case, copper contacts, 250A at 6V, 125A at 12V intermittent, 40 A at 6v, 20A at 12V continuous.