Single Phase KWH Meter DD28,DD17 (Rround Type)
1.Application:
DD28 single-phase watt-hour meter is a kind of induction meter.which is applicable to measure the rated frequency 50Hz and power loss in electrified wire netting.All technical targets are completely conformed to National standard GB/T15283-1994 and lntermational standard IEC521.
2.Structure feature:
The meter has separable electromagnet and the bearing has four kinds;single-jewel,magnetic thrust and magnetic floating.The case has three kinds;aluminum,plastic and glass.The die-casting frame is alloy aluminum with excellent mechanical strength.
3.main technical data:
Type:DD282 DD283 DD284
Accuracy(class):2
Rated voltage(v):220-240
Rated current(A):
DD282:2(4),2.5(5),3(6),5(10),10(20),20(40),30(60),40(80)
DD283:2(6),3(9),5(15),10(30),15(45),20(60),30(90)
DD284:5(20),3(12),10(40),15(60),20(80)
Overl0ad capaciaty:200Ib 300Ib 400Ib
Insulation current:2kV 1,6kV
AC voltage 2kV for 1 minute impulse voltage 6kV
4.more pic:
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