SED364000LSIGD4, Schneider Electric / Square D, SE Series, type SED, 3P, 3PH, 4000A, 600V, 100kA@480V, draw-out, complete with Micrologic Series B trip device, LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, solid state protection, complete with 2A2B with 1N.O./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