... .stable perfoemance 2.customized component-using 3.class 2.0 Three phase watt hour meter DT862DT862Technical Parameters:Standard: IEC62053-21:2003Precision level ... , 3 x 220VCurrent Specification: 2.5(10)A, 5(20)A, 10(40)A, 15(60)A, 20(80)AReference frequency: 50Hz or 60HzWorking ... loop ≤ 2W, 5VA current loop: ≤ 1VA(1b)Life cycle: >10years Three phase watt hour meter DT862