TRANSFORMER SITAS, PHASES:1, PN/PN(S6)(KVA):1 /5, UPRI(V):690+/-5%, USEC(V):230, ISEC(A):4,348, F(HZ):50...60, SWITCHING SIZE/SHIELDING:II0 /0, TA/ISOKL:40 /B, IP00, CONNECTION:SCREW/FLAT PLUG CONNECTION, ASSEMBLY:SCREW, EN 61558-2-2 >CONTROL TRANSFORMER< The 4AM transformers combine all the properties of single-phase safety, isolating, control or mains transformers. This means you can master every application with flying colors. The control transformers are also characterized by their short-time performance.