Hi I have a " rtc HR11- 63A 4 POLE RCCB RCD " fitted in my 3 phase system , question does anyone on here know if this is still made , I looked on the web but can not find anything about this maker " rtc " . This is a " rtc 40A HR11-63 2 POLE RCCB RCD " on ebay http://www.ebay.co.uk/itm/152228359523?_trksid=p2055119.m1438.l2649&ssPageName=STRK:MEBIDX:IT regards
Try Raytech international http://www.raytechinternational.com/line_protection/residual_current_device