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Semiconductor fuses
                                                   Semiconductor (AC) fuses


                                                                                                      ®
                                                                            Other Protistor Fuses
                                                                                           Ferrule Fuses
                             14x51 URGB & 22x58 URGA - 600 V to 690 VAC






             Electrical Characteristics


             Time vs current characteristics








                                        a = 130         B1 = 1,25
                                        A2 = 0,6      B2  = 0,6
                                              Cf3 = 0,8


























               TOLERANCE OF MEAN PRE-ARCING CURRENT ± 10%

                                                                                              a = 130         B1 = 1,25
                                                                                              A2 = 0,6      B2  = 0,6
                                                                                                    Cf3 = 0,8
















                      These curves indicate, for each rated current,
                              pre-arcing time vs. R.M.S.
                                 pre-arcing current.





                                                                    TOLERANCE FOR MEAN PRE-ARCING CURRENT ± 8%.




                                                          SCAC188                                              12/04
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