ELM-4 Ammeter for n° 4 currents line or differential currents Ammeter measuring network’s current or differentials Ammeter for measuring differential or residual currents (up to four simultaneously) using a external toroidal or for the measurement of the line currents (possibly also separate lines between them) using appropriate external CT.
Технические характеристики
CharacteristicsTechnologydigitalMountingflush-mount