Power supply 3~50/60 Hz 400V ±10%;
Auxiliary circuits in low voltage;
2 Normally close contacts for start pressure switches;
Contact for control from priming tank;
Contact for signal from pressure switch of system in pressure/pump off;
Key-selector for Auto-Off-Emergency;
Push-buttons for pump Start/Stop in manual test;
Push-buttons for checking the control unit’s LED;
LCD for monitoring: mains volt and ampere on 3 phases, Hz, var, watt, voltampere, cosfi, total and partial hour meter, events chronology;
LCD in 5 languages: Italian, English, French, Spanish, German;
LED for signals;
Operation mode according to UNI10779;
Specific alarms and delays settable on the electronic unit;
Alarms history;
Alarm outputs for : power supply available, pump start request, pump running, start failed;
Contactor in AC3;
Serial connection RS-485 for remote signals;
Auxiliaries and motor protection fuses;
Main switch interlocking door;
Metallic box, IP55;
Ambient temperature: -5/+40 °C;
Relative humidity 50% at 40 °C (not condensed).