Three Phase Meter 1.Meets IEC-10101 (EN61010) ,CAT III (600V) 2.Electricity range: AC60~600V,40 Hz~70Hz 3.ISO,CE,Patent,OEM ETCR1000A Three Phase Meter Our buyers have stayed with us for 11years12 years of specialized metersISO Patent and CE certificate OEM services availableMore information, please kindly view our web site: http://www.etcr.cc/en/Online store: http://www.aliexpress.com/store/ ...