September 2010 :

For Traffic Control a stationer Generator

  --  for a Voltage from 100V to 140 V  or 200 to 260V

  --  SINUSOIDAL Current Consumption during charging

  --  only 4A (240V) Current

  --  Time to Charge 600 J in about 1 Second (240V)

  --  Flash separately from the Power Line