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Commissioning
Digistart IS User Guide 9
Issue: 4 www.controltechniques.com
Table 2-3 Current ratings - inside delta (6-wire) connection, bypassed operation
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
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
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
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