... iron base,short terminal cover 3.IEC62053-21 DD862 single phase mechanical power meteris a kind of induction meter, which is ... 11. It has the features of tight structure design, high overload, low power loss, long service life, specious appearance, etc.FUNCTIONS ... of quality bakelite material which is moisture-resistant, fire-retardant, high temperature molded. ♦May select use 5+1 digits register ...