THERMAL MAGNETIC; E FRAME; 120/240/277 VAC AT 50/60 HZ, 480 VAC STAR/277 VAC AT 50/60 HZ (UL/CSA); 100 AMPERE AT 40 DEG C; 3 POLE; INTERRUPTING RATING 65 KILOAMPERE AT 120/240 VAC, 14 KILOAMPERE AT 277 VAC/480 VAC STAR/277 VAC (UL/CSA); TERMINAL BOLT ON;