Page 682 - V16 Catalogue Final
P. 682

MOTOR PROTECTION




                                      FUSE SELECTION FOR FIRE PUMP MOTOR STARTING


                                     Motor FLC (A)                   Recommended GEC,
                                                                 ABB or IPD Fuse-Link Rating (A)
                                 kW           FLC (A)     Type T ‘gG’  Type T ‘gM’  DIN Type ‘gL’ - ‘gG’
                                 0.37          1.1           4             -            4
                                 0.55          1.5           6             -            4
                                 0.75          1.8           6             -            6
                                  1.1          2.6           10            -            6
                                  1.5          3.4           16            -            10
                                  2.2          4.8           16            -            16
                                  3.7          7.6           20            -            20
                                  5.5          11            32          20M32          25
                                  7.5          14            35          20M35          32
                                  11           21            50          32M50          40
                                  15           28            63          32M63          50
                                 18.5          34            80          63M80          63
                                  22           40            80          63M80          80
                                  30           55           100         63M100         100
                                  37           66           125         100M125        125
                                  45           80           160         100M160        160
                                  55           100          160            -           160
                                  75           135          250         200M250        200
                                  90           160          250         200M250        250
                                 110           200          315            -           315
                                 132           230          355         315M355        315
                                 150           250          355         315M355        355
                                 160           270          400            -           400
                                 185           320          450         400M450        500
                                 200           350          450         400M450        500
                                 220           380          500            -           630
                                 250           430          560            -           630
                                 300           510          630            -           800
                           1. FLC values are nominal for standard squirrel-cage induction motors of rated speed 1500 rpm (4 pole).
                               Possible deviation of FLC values ±10% depending on type and manufacturer.
                           2. Recommend fuse ratings are based on carrying 125% FLC continuously and operating in not less than 20
                               seconds at 600% FLC, in accordance with Clause 7.2.9.2 of AS/NZS 3000:2007.
                           3. Suitable adjustments to the recommended ratings may be necessary for high enclosure (fluid environment)
                               temperatures, refer to de-rating information indicated on page 677.





























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