Three-phase voltage stabilizer STEROSTAB Y

automatic

Nominal input voltage - 380V o 400V o 415V (**) Nominal output voltage - 380V o 400V o 415V (**) Output accuracy - ±1% RMS Frequency - 50/60 Hz ±5% Admitted load variation - 0 to 100% Admitted load unbalance - up to 100% Admitted overload - 10 times the nominal power during 10 ms, 5 times during 6 s, 2 times for 1 minute Harmonic distortion - 98.5% Cooling - natural air convection (fan-free system) Colour - black or RAL 7035 (depending on model) Protection degree - IP21 Installation - indoor Standard fittings - digital voltmeter, pilot lamps, tropicalised control boards OPTIONAL FITTINGS SHORT CIRCUIT PROTECTION OVERLOAD PROTECTION OVER/UNDER VOLTAGE PROTECTION REVERSED PHASE SEQUENCE / PHASE FAILURE PROTECTION SOFT START MANUAL OR AUTOMATIC BY-PASS DIGITAL NETWORK ANALYSER DISPLAYING THE ELECTRICAL PARAMETERS ISOLATION TRANSFORMER ADAPTING TRANSFORMER NEUTRAL-POINT REACTOR SURGE ARRESTERS IP54 INDOOR OR OUTDOOR VERSION