... MB024SC three phase meter, din rail type meter international standard IEC 62053-21 ... 1 digits display (999999.1kWh) by step motor type impulse register. May select 5+1 digits display ... Complying with standard IEC 62053-21. Standard configuration type S wiring (Inlet from bottom, outlet from top) ... direct connect operation, we can also choose another type of wiring, and use CT (Product Configuration code ...