Pcb transformers 2 x 115v 3va blore bowron a5003 high quality british made dual primary winding 2x115v 3va pcb mounting mains transformer from blore bowron producing 2x9v secondary voltage suitable for connecting in series parallel or centre tap giving a wide range of output voltage and current combinations blore bowron a5003 pcb transformer 115v115v 3va 9v9v