FeaturesDirect drive, quick-make, quick-break mechanism "snaps" contacts open and closed providing positive ON/OFF indicationSelf-leveling, 3-point mounting systemIntegral cover interlockVisible confirmation of plated blade contact positionsSpring reinforced fuse clips assure reliable contact for cool operationSuitable for class H, K, J or R fuses, where applicableUL listed short circuit rating is 10000 rms symmetrical amps standardWith class R fuses and fuse kits installed, 30 to 200 A switches have UL listed short circuit rating of 100000 rms symmetrical A