TEY390 MOLDED CASE, THERMAL MAGNETIC TYPE; 3 INCH W X 3 1/16 INCH D X 5 1/4 INCH H SIZE; 277 V MAX. AC VOLTAGE RATING; UL APPROVAL; 240/277 VAC, 480 VAC STAR/277 VAC VOLTAGE RATING; 65 KILOAMPERE AT 240 VAC, 14 KILOAMPERE AT 277 VAC, 14 KILOAMPERE AT 480 VAC STAR/277 VAC INTERRUPTING RATING; 90 AMPERE CURRENT RATING; 3 POLE(S); ALUMINUM/COPPER WIRE TERMINAL TYPE; TEY MODEL