Detailed Product Description
* For switching impedance with tapped ballast
* 40-45% Energy Saving during Dim Down Period
* Easy for Installation
This is the reduction switch for use switching impedance with tapped ballast with the High Pressure Mercury High Pressure Sodium Lamp. The switch will has an automatic dim down and dim up at the night time. After the switch id turn on, it will count 4 hours before it dim down output to 50-60% of normal state. The switch will then start to operate at normal state again 6 hours after the dim down period.