2 x 115v pcb mains dual input transformers vigortronix vtx 120 5412 420 pcb mounting transformer from vigortronix with dual 2 x 115v 12va primary and dual secondary windings 2 x 20v suitable for 5060hz operations the two independent secondary windings are most suitable for connecting in series parallel or centre tap giving a wide range of output voltage and current combinations vigortronix vtx 120 5412 420 pcb transformer 115v115v 12va 20v20v