supply of ac 3ph 4wire 3x63.5 volt, -/1a 50hz, cl 0.2s, cat b and 3ph 4 wire 110-5 amps , class 0.5s, cat-c ct pt operated tri vector meter as per enclosed technical specs. , ac, 3ph, 4w, 3x63.5 volts, -/1a, 50hz, ci 0.2s, category b (dlms protocol) with rs232 and optical port, fully static ct/pt operated and amr compatible tri-vector energy meter for measurement of different electrical parameters for balanced/ unbalanced load. , 3phase 4wire ht trivector meter, ct and pt operated 3x110/v3v,-/5a, ac, 50hz, class 0.5s, category c (dlms cosem protocol) having rs232 and optical port alongwith optical cables and licensed copies of bcs software for downloading the meter data to a computer.