Page 747 - ABB_Motor _Protection_and_Control_catalogue_20221216
P. 747

ABB  MOTOR PROTECTION AND CONTROL                                                 6/9

          —
          T16 thermal overload relays – 0.10 to 16.0 A

          Technical data




          Main circuit – Utilization characteristics according to IEC/EN
          Type                               T16
          Standards                          IEC/EN 60947–4–1, IEC/EN 60947-5-1, IEC/EN 60947-1
          Rated operational voltage Ue       690 V AC
                                             - V DC
          Rated frequency                    50/60 Hz
          Trip class                         10
          Number of poles                    3
          Duty time                          100%
          Operating frequency without early tripping  Up to 15 operations/h, see "Technical diagram – Intermittent periodic duty"
          Rated impulse withstand voltage Uimp  6 kV
          Rated insulation voltage Ui        690 V AC
          Auxiliary circuit according to IEC/EN
          Type                               T16
          Rated operational voltage Ue       600 V
          Conventional free air thermal current Ith  N.C., 95-96 6 A                                                  06
                                      N.O., 97-98 4 A
          Rated frequency                    DC, 50/60 Hz
          Number of poles                    1 N.O. + 1 N.C.
          Ie / Rated operational current AC-15
          acc. to IEC/EN 60947-5-1 for utilization category
            110-120 V                 N.C., 95-96 3.00 A
                                      N.O., 97-98 0.50 A
            220-230-240 V             N.C., 95-96 3.00 A
                                      N.O., 97-98 0.50 A
            440 V                     N.C., 95-96 0.75 A
                                      N.O., 97-98 0.50 A
            480-500 V                 N.C., 95-96 0.75 A
                                      N.O., 97-98 0.50 A
          Ie / Rated operational current DC-13
          acc. to IEC/EN 60947-5-1 for utilization category
            24 V                      N.C., 95-96 1.25 A
                                      N.O., 97-98 1.25 A
            60 V                      N.C., 95-96 0.55 A
                                      N.O., 97-98 0.55 A
            110-120-125 V             N.C., 95-96 0.55 A
                                      N.O., 97-98 0.55 A
            250 V                     N.C., 95-96 0.27 A
                                      N.O., 97-98 0.27 A
          Minimum switching capacity         17 V / 3 mA
          Short-circuit protective device  N.C., 95-96 6 A, fuse type gG
                                      N.O., 97-98 4 A, fuse type gG
          Rated impulse withstand voltage Uimp  6 kV
          Rated insulation voltage Ui        690 V
          Technical diagram – Intermittent periodic duty
           (Op/h)
           140
           120
           100        a
          switching frequency  80  t   = 1.5 s
                      t   = 0.5 s
           60
                   a
                 a
                   t   = 1 s
           40
               a
           20  t   = 3 s
               a
               t   = 5 s
            0                  2CDC232004F0214
             0  20  40  60  80  100  (%)
                  duty ratio
          ta: Motor starting time
   742   743   744   745   746   747   748   749   750   751   752