... of current and voltage transformers, Ameters, Vmeters, MCBs, ELCBs, AC contactors, MCCBs and relevant management activities 2012/04/11 --- 2015/04 ... of current and voltage transformers, Ameters, Vmeters, MCBs, ELCBs, AC contactors, MCCBs 2012/04/11 --- 2015/04/10 CCC CQC 2002010307024191 ... : 50A; Ue : AC220V; Ie : 40A; Us : AC220V; Utilization Category : AC-8a; Poles : 2P 2012/06/13 --- 2014/10/28 CCC ...