Re: ACB and VCB setting Home › Electrical Engineering Forum › General Discussion › ACB and VCB setting › Re: ACB and VCB setting 2011/06/11 at 7:50 pm #12181 ikram shehzadParticipant Dear ghali, a bundle of thank,s for this information. but i know the the the theory of VCB. just want to know it,s setting. as u tell me before this about ACB. it was very usefull. Thank,s.