Vigortronix 6va encapsulated pcb transformers vigortronix vtx 121 4206 406 pcb mounting encapsulated transformer from vigortronix consisting of dual primary 2x115v 6va and secondary 2x0 6v windings due to their construction and encapsulation these transformers provide excellent performance in aggressive environments where potential exists for changes in temperature and humidity vigortronix vtx 121 4206 406 encapsulated pcb transformer 115v115v 6va 0 6v