Однофазный длительный срок активного ватт-час метр

DD854 single-phase long life active watt-hour meter Goods description: DD854 watt-hour meter is a kind of inductive meter, whic can be used for measuring rated frequency 50Hz, active energy power consumption in single phase A.C electric network. It has novel design, high overload, long life etc. It performance comforms to GB/T17215.321-2008 1.2-0&2.0 A.C active watt-hour meter. Function and feature: 1. Sub-closed iron core. 2. The die-casting frame is made of alloy aluminum. to assure the magnetic circuit stably and reliale. 3. Meter bearing has three kinds: may select dual jewel, magnetic thrust or magnetic floating. 4. May select 5+1 digits or 6 digits register. 5. May select 5 kinds of cases: bakelite, PC, ABS plastic, glass and aluminum. Main technical data: Rated current: 1.5(6), 2.5(10), 5(20), 10(40), 15(60), 20(80), 5(30), 10(60) Overload capacity: 4 6Ib Starting current: 0.5%Ib Insulation performance: AC voltage 4kv for 1 min impulse voltage 8kv AC. Power loss in voltage circuit: ≤1.0W 5VA Use life(year): 30ys DD854 single-phase long life active watt-hour meter