SED36600LSES9F8, Schneider Electric / Square D, SE Series, type SED, 3P, 3PH, 600A, 600V, 100kA@480V, draw-out, complete with Micrologic Series B trip device, LS - Long-Time and Short-Time trip functions, solid state protection, electrically operated complete with 125VDC spring charging motor, shunt closing coil & 24VDC shunt trip along with 2 N.C. AC/DC rated auxiliary switch with bell alarm, insulated case circuit breakers, these breakers are now obsolete; however, we do still stock them