Page 256 - Motor protection and control Manual motor starters, contactors and overload relays
P. 256

3/182            ABB  MOTOR PROTECTION AND CONTROL

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          4-pole contactors
          Electrical durability




          Electrical durability for AC-1 utilization category - Ue ≤ 690 V
          Switching non-inductive or slightly inductive loads. The breaking current Ic for AC-1 is equal to the rated operational
   03
          current of the load.
          Ambient temperature and maximum electrical switching frequency: see "Technical data".

          Millions of
          operating   AF09  AF16  AF26      AF40
          cycles                AF38          AF52  AF80
          10



           5


           3

           2    9
                7
                5
                3
           1    1



          0.5


          0.3        9
                     7
                     5
                     3
          0.2        1
                                                13 57 9                          13 57 9
                    13 57 9
                                      1  3  5  7  9                     1  3  5  7  9
          0.1
             2     3      5         10        20    30      50        100       200   300    500       1000
                                                                                                  Breaking current Ic (A)





























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