POWER SUPPLY; PHASES:3; PN(KW):0,84; UPRI(V):400+/-20; USEC(V DC):24; ISEC(A DC):35; F(HZ):50...60; VECTOR GR./SHIELD WNG.:YY0 /0; PROTECTION CL.:I; TA/ISOKL:40 /B; W(%):5; IP00; TYPE OF TERMINALS:SCREW CONNECTION; INSTALLATION:4AV51_0_; EN 60742, 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.