TRANSFORMER SITAS PHASES 1 PN/PN(S6)(KVA) 4 /18,5 UPRI(V) 400+/-5% USEC(V) 230 ISEC(A) 17,4 F(HZ) 50...60 VECTOR GR./SHIELD WNG. II0 /0 TA/ISOKL 55 /H IP54 TYPE OF TERMINALS SCREW CONNECTION INSTALLATION SCREW EN 61558-2-1, -2-2, -2-4 UL/CSA-RECOGNIZED >CONTROL CIRCUIT TRANSFORMER >ISOLATION TRANSFORMER