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Digistart IS User Guide
9
Issue: 4
www.controltechniques.com
Table 2-3 Current ratings - inside delta (6-wire) connection, bypassed operation
Model
AC53b 3.0-10:350
40 ºC <1000 metres
AC53b 3.5-15:345
40 ºC <1000 metres
AC53b 4.0-20:340
40 ºC <1000 metres
AC53b 4.5-30:330
40 ºC <1000 metres
IS1x0023B
34 A
30 A
26 A
22 A
IS1x0043B
64 A
59 A
51 A
44 A
IS1x0053B
79 A
79 A
69 A
55 A
Model
AC53b 3.0-10:590
40 ºC <1000 metres
AC53b 3.5-15:585
40 ºC <1000 metres
AC53b 4.0-20:580
40 ºC <1000 metres
AC53b 4.5-30:570
40 ºC <1000 metres
IS1x0076B
114 A
96 A
83 A
70 A
IS1x0097B
145 A
123 A
104 A
87 A
IS1x0105B
157 A
157 A
143 A
117 A
IS2x0145B
217 A
184 A
159 A
136 A
IS2x0170B
255 A
217 A
181 A
146 A
IS2x0200B
300 A
283 A
241 A
200 A
IS2x0220B
330 A
315 A
268 A
223 A
IS3x0255B
382 A
346 A
302 A
264 A
IS4x0350B
525 A
459 A
399 A
345 A
IS4x0425B
638 A
557 A
482 A
414 A
IS4x0500B
750 A
668 A
575 A
490 A
IS4x0700B
1050 A
889 A
768 A
658 A
IS4x0820B
1230 A
1058 A
910 A
774 A
IS4x0920B
1380 A
1206 A
1026 A
857 A
IS4x1000B
1500 A
1404 A
1194 A
997 A
For models IS3x0255N to IS561600N, these ratings are valid only when externally bypassed using a suitable contactor.
Table 2-4 Current ratings - inside delta (6-wire) connection, externally bypassed
Model
AC53b 3.0-10:590
40 ºC <1000 metres
AC53b 3.5-15:585
40 ºC <1000 metres
AC53b 4.0-20:580
40 ºC <1000 metres
AC53b 4.5-30:570
40 ºC <1000 metres
IS3x0255N
382 A
346 A
302 A
264 A
IS4x0360N
540 A
540 A
465 A
395 A
IS4x0430N
645 A
645 A
552 A
464 A
IS4x0650N
975 A
975 A
842 A
683 A
IS4x0790N
1185 A
1185 A
1071 A
868 A
IS4x0930N
1395 A
1395 A
1244 A
992 A
IS561200N
1800 A
1800 A
1800 A
1606 A
IS561410N
2115 A
2115 A
1979 A
1671 A
IS561600N
2400 A
2400 A
2400 A
2030 A
NOTE
