Page 9 - Ferraz semiconductor BS88
P. 9

Semiconductor fuses
       Semiconductor (AC) fuses


                                 ®
       Other Protistor Fuses
       BS88-4 Fuses
       10x28, 17x27 - 250 VAC






       D.C Applications data











































                                                        Curves # and Ipm for each rating
       • These curve indicate the permissible
       value of time constant L/R as a function         Class  Rated current  *  I pm (A)
       of the D.C. working voltage.                               5        5   40
                                                                  6        5   50
                                                                  10       5   55
                                                        URE       12       5   80
                                                                  15       5   100
                                                                  20       5   130
       • These Ipm values give the minimum                        25       5   175
                                                                  32       5   255
       DC interrupting current in amps.
                                                       URGS       7        5   40
                                                                 100       4   190
                                                                 125       3   250
                                                        URZ      150       2   300
                                                                 160       2   330
                                                                 180       1   400
                                                       for URGS class fuses, consult us.














                                                          SCAC205
       12/04
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