The Cole Hersee Neutral Safety Switch SPST 9242 features a moisture-resistant insulator, corrosion-resistant metal housing, two screw terminals and silver contacts. Mounting stem 9/16" -18 UNF-2A thread, 5/16" (7.9mm) long. SPST. On with ball depressed, spring return to Off. Rated 35A at 12V DC, 20A at 24V DC. Replaces: International 863187-R91.