Unfortunately we don't, the only way to get around this problem would be to offer RCCB in a dinrail enclosure along with a three phase MCB in the distribution board and wire the MCB in series with the RCCB.
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Unfortunately we don't, the only way to get around this problem would be to offer RCCB in a dinrail enclosure along with a three phase MCB in the distribution board and wire the MCB in series with the RCCB.