New protection system interface voltage and frequency according to CEI Low Voltage 0-21. Required for photovoltaic power plants of more than 6 kW. Establish himself as from 1 July 2012 in accordance with ENEL SPECIFICATIONS and Deliberation 8 March 2012 84/2012/R/EEL.
System Interface Protection voltage and frequency:
Control the minimum and maximum frequency
Control the minimum and maximum voltage
Rated voltage controlled 230/400 V AC or 230 V single phase.
Rated frequency 50 Hz
# 2 changeover contacts (1 for 1 protection for topping up).
Customizing keyboard on board with display graphics.
DIN rail mounting 45 mm thick.