... or 5 digit register 3:20 years experience 4:OEM Single phase KWH meter GeneralThe DD862 type single-phase watt-hour meter is ... aluminum, to assure the magnetic line stably and reliably.2.3 Meter bearing has three kinds, may select dual jewel, magnetic ... )Overload capacityStarting currentInsulation performanceDD8622220-2401.5(6),2.5(10),3(12),5(20),5(30),10(40),15(60),20 ...