SIMOTICS SD ONLY EX VERSIONS! LOW-VOLTG. SQUIRREL-CAGE MOTOR IP55, 8-POLE * SIZE 280 M THERM.CL.155(F) GREY CAST-IRON ENCL. 3 AC 50HZ 400VD/690VY * 45 KW 3 AC 60HZ 460VD * 54 KW 380-420/660-725(50);440-480(60) IMV1 WITH CANOPY FLANGE: FF500 (A 550) A11 = MOTOR PROTECTION WITH 3 PTC THERMISTORS FOR SHUTDOWN