D-TOP500/3WIB DC-UPS with mains connection, 500Watt-3ph Offline DC-UPS Input 400 - 500V, 3 AC For use in switch cabinets, clip fastening for TS35-rail acc. to EN60715 Assembly acc. to EN60950, EN50178, VDE0160 UL60950, UL508 EN55011 class B, EN61000-3-2, EN61000-6-2 short circuit-/no-load protected Overvoltage protection Overtemperature protection Serial interface