TeSys LK4 nonfusible disconnect switches are compact or standard sized switches that break and make power circuits, on and off loads, and provide safety isolation. This 3 pole non fusible disconnect switch has a 800 ampere rating. This nonfusible disconnect switch has a rating of 500HP at 600VAC. This 800A disconnect switch has a 100kA short circuit current rating (SCCR) when used with Type L fuses. Each terminal has a lug that will accept one 2 AWG to 600 kcmil copper or aluminum wire. This TeSys LK motor circuit protector is UL Listed and CSA certified.