ABB ACS800-U7 - Quick guide for selecting between gG and aR fuses

Technical data
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Quick guide for selecting between gG and aR fuses
The table below is a short cut in selecting between gG and aR fuses. The
combinations (cable size, cable length, transformer size and fuse type) in the table
fulfil the minimum requirements for the proper operation of the fuse.
Note 1: The supply transformer minimum power in kVA is calculated with a z
k
value of 6% and
frequency 50 Hz.
Note 2: The table is not intended for transformer selection - that must be done separately.
The following parameters can effect on the correct operation of the protection:
ACS800-07 size Cable type Supply transformer minimum apparent power S
N
(kVA)
Copper Aluminium Maximum cable length with gG fuses Maximum cable length with aR fuses
10 m 50 m 100 m 10 m 100 m 200 m
Three-phase supply voltage 380 V, 400 V or 415 V
-0075-3 3×70 Cu 3×95 Al 130 140 160 99 99 140
-0100-3 3×95 Cu 3×120 Al 150 160 190 120 120 140
-0120-3 3×120 Cu 3×185 Al 170 190 210 140 140 140
-0130-3 3×150 Cu 3×240 Al 200 220 250 160 160 160
-0165-3 3×185 Cu 3×240 Al 240 260 310 180 180 200
-0205-3 3×240 Cu 2 × (3x120) Al 240 260 310 200 200 200
-0260-3 3 × (3×70) Cu 3 × (3×120) Al 430 460 560 310 310 310
-0320-3 3 × (3×95) Cu 2 × (3×240) Al 530 600 750 350 350 440
-0400-3 3 × (3×120) Cu 3 × (3×185) Al 530 600 750 410 470 660
-0440-3 3 × (3×150) Cu 3 × (3×240) Al 700 770 930 470 530 730
-0490-3 3 × (3×150) Cu 3 × (3×240) Al 700 770 930 490 530 730
Three-phase supply voltage 380 V, 400 V, 415 V, 440 V, 460 V, 480 V or 500 V
-0105-5 3×70 Cu 3×95 Al 160 170 190 130 130 150
-0120-5 3×95 Cu 3×120 Al 190 200 220 140 140 150
-0140-5 3×95 Cu 3×150 Al 190 200 220 160 160 160
-0150-5 3×120 Cu 3×185 Al 220 230 250 180 180 180
-0165-5 3x150 Cu 3x240 Al 250 260 290 200 200 200
-0205-5 3×185 Cu 3×240 Al 290 320 360 230 230 230
-0255-5 3×240 Cu 2 × (3×120) Al 290 320 360 250 250 250
-0320-5 2 × (3×120) Cu 3 × (3×95) Al 530 570 670 370 370 370
-0400-5 2 × (3×150) Cu 2 × (3×240) Al 660 720 840 440 440 480
-0440-5 3 × (3×95) Cu 3 × (3×150) Al 660 720 840 500 570 760
-0490-5 3 × (3×120) Cu 3 × (3×185) Al 660 720 840 520 570 760
-0550-5 2 × (3×240) Cu 3 × (3×240) Al 880 980 1200 580 670 880
-0610-5 3 × (3×150) Cu 3 × (3×240) Al 880 980 1200 610 670 880
Three-phase supply voltage 525 V, 550 V, 575 V, 600 V, 660 V or 690 V
-0070-7 3×25 Cu 3×50 Al 95 95 99 95 95 95
-0100-7 3×35 Cu 3×50 Al 130 140 150 110 110 110
-0120-7 3×50 Cu 3×70 Al 180 180 190 140 140 140
-0145-7 3×70 Cu 3×95 Al 220 220 240 160 160 160
-0175-7 3×95 Cu 3×120 Al 260 260 280 200 200 200
-0205-7 3×95 Cu 3×150 Al 340 360 390 230 230 230
-0260-7 3×150 Cu 3×185 Al 340 360 390 260 260 260
-0320-7 3×240 Cu 2 × (3×120) Al 400 410 430 360 360 360
-0400-7 3×240 Cu 3 × (3×70) Al 550 570 610 400 400 400
-0440-7 2 × (3×120) Cu 2 × (3×150) Al 730 780 860 460 460 460
-0490-7 2 × (3×120) Cu 3 × (3×95) Al 730 780 860 510 510 510
-0550-7 2 × (3×150) Cu 3 × (3×120) Al 730 780 860 560 560 560
-0610-7 3 × (3×95) Cu 3 × (3×150) Al 960 1000 1100 640 640 640
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