Page 231 - Ferraz semiconductor DIN
P. 231

Semiconductor fuses
       Semiconductor (AC) fuses


                     ®
       Protistor Square-body Fuses
       PSC gR sizes 7x - 690 VAC
       Metric-studs







       Metric studs for threaded terminal fuses






               Type and fuse size    Designation   Ref. Number  Unit weight  Pack.       Catalog Number
                                                                   (g)
                                     HC stud pair
                      Sizes 0 and 1
                                   M8x30 & M8x35     S098801       23     6  pairs      STU M8x30 M8x35
                                     HC stud pair
                         Size 2
                                  M10x30 & M10x50    T098802       40     6  pairs     STU M10x30 M10x50
                                     HC stud pair
                         Size 3
                                  M12x35 & M12x50    V098803       60     6  pairs     STU M12x35 M12x50
                                     HC stud pair
                         Size 2                                    45
                                      M10x50         W098804              6  pairs        STU M10x50

                         Size 3
                                 HC stud pair M12x50  X098805      45     6  pairs        STU M12x50

       We recommend the use of studs, whose quality is suited to all  FERRAZ SHAWMUT square-body fuses with terminals



       Stud mounting





                                                        Maximum stud tightning        Maximum nut tightning
             Torque type
                                     Stud type              torque (Nm) (1)              torque (Nm) (1)
        Balanced torque
                                  M8x30 & M8x35                  10                          13.5
                                 M10x30 & M10x50                 15                           26
                                 M12x35 & M12x50                 15                           46




        Balanced torque
                                  M8x30 & M8x35                  10                          13.5
                                 M10x30 & M10x50                 15                           26
                                 M12x35 & M12x50                 15                           46





        Unbalanced torque         M8x30 & M8x35                  10                          13.5
                                 M10x30 & M10x50                 15                           26
                                 M12x35 & M12x50                 15                           46






       (1) Factory limit on torque at 20°C ambient: +0, -2Nm; except on 46Nm value (+0, -4Nm)

                                                          SCAC125
       12/04
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