L'explication/l'anotation:For determination of active energy in 3 phase òðåõ-÷åòûðåõ
wire AC circuits, is built on the basis specialized
Noy microcircuits.
La description détaillée de marque:Watt-hours counter static 3 phase.
quality class 1
voltage 220/380 in
rated control current 5 and
maximal current 50 and
threshold of sensitivity 25 mA (5, 5 computer engineerings)
average life no less than 30 years
basis of design - modern specialized microcircuits. |