... /T15283-1994 and lntermational standard IEC521.2.Structure feature:The meter has separable electromagnet and the bearing has four kinds;single ... .The die-casting frame is alloy aluminum with excellent mechanical strength.3.Main technical data: Type: DD17 Accuracy(class): 2 Rated voltage ... ),15(45),20(60),30(90)DD284:5(20),3(12),10(40),15(60),20(80) Overl0ad capaciaty: 200Ib 300Ib ...