FUSE NH ULT RAP 73 100KA 1250V 500A, BASIC NAME FUSE MODIFIER NAME NH ULTRA FAST ACTION METRIC THREAD TERMINAL SIZE 73 INTERRUPTING CAPACITY 100 KA RATED VOLTAGE 1250 V IEC 269-4 STANDARD ACTUATION INDICATOR ON BODY FOR MICRO SWITCH RATED CURRENT 500 A ADDITIONAL REQUIREMENTS SEE NOTE COMMERCIAL REFERENCE FERRAZ-12.5 URD 73 TTF 0500 NOTE: – CSN ET257 SPECIFICATION STANDARD; – FOR SEMICONDUCTOR PROTECTION.