POWER SUPPLY; PHASES:1; PN(KW):0,144; UPRI(V):400-230+/-15; USEC(V DC):24; ISEC(A DC):6; F(HZ):50...60; VECTOR GR./SHIELD WNG.:II0 /0; PROTECTION CL.:I; TA/ISOKL:40 /B; W(%):5; IP00; TYPE OF TERMINALS:SCREW CONNECTION; INSTALLATION:SCREWS/MOUNTING RAILS; EN 61558, EN61131-2 >SAFETY ISOLATING TRANSFORMER The 4AV power supplies deliver a non-stabilized DC voltage of 24 V DC based on single-phase or three-phase safety transformers with downstream rectifiers and capacitor filtering according to EN61131-2.