MOLDED CASE, THERMAL MAGNETIC, FUSED CURRENT LIMITING TYPE; 4 1/8 INCH W X 3 5/8 INCH D X 10 5/16 INCH H SIZE; 600 V MAX. 3 POLE(S); 100 AMP FRAME; CURRENT RATING - 30 AMP; ALUMINUM/COPPER LINE LUG, ALUMINUM/COPPER LOAD LUG TERMINAL TYPE; TRI-BREAK[R] BRAND; TB1 MODELGeneral Electric