Star-delta starter STARDELTA-EN

pumpthree-phasefor firefighting

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; Stardelta timer adjustable on electronic unit; Volt free contact 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).