three phase l.v/M.V. network Ammetric on/1A or 5A CT, programmable ratio Direct volumetric up to 450V (phase-phase) or on VT programmable ratio *Measuring A, A neutral, V, Hz, P, Q, S, Pphase, P/Q/Qmd, P/*Q/Qmd max, PF, kWh (Class 1), kvarh (class 2), THD, A THD Pulse output (kWh) Pulse output (kvarh) or RS485 or analogue versions Special buses, PROFIBUS, LONWORKS 96x96 mm flush mounting housing