BRITISH STANDARD URGG/URGH SEMICONDUCTOR PROTECTION FUSES PROTISTOR(R) FUSES 250V URGG/URGH from 50 to 1050A SIZES: 36 X 27 - 2 X 36 X 27 Features / Benefits Extremely high Interrupting rating Fuses: Protection of power Semiconductors according to IEC 269.1 and 4 250V Voltage Rating according to IEC 33 gR Class (Ratings from 50 to 350A URGG - 300 to 700A URGH) according to VDE 636-23 and IEC 269.4 aR Class (Ratings from 400 to 525A URGG - 800 to 1050A URGH) according to VDE 636-23 and IEC 269.4 Two models complying with BS 88-4 - without indicator -with external trip-indicator APPLICATIONS DATA Minimum operating voltage for all trip indicators = 20V D 106 BRITISH STANDARD URGG/URGH SEMICONDUCTOR PROTECTION FUSES PART NUMBERS D 107 SIZE CATALOG NO. REF # PACK. SIZE CATALOG NO. REF # PACK. SIZE CATALOG NO. REF # PACK. SIZE CATALOG NO. REF # PACK. SIZE CATALOG NO. REF # PACK. D