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Recent content by dlmuns

  1. dlmuns

    Non isolated buck power supply

    Thank you for your replies. This system runs from 120/240 with a ground and a neutral. The neutral is bonded to earth at the distribution transformer (center tapped) for the system. The bridge rectifier of the LED power supply is connected between one phase of the 120 VAC and neutral. The...
  2. dlmuns

    Non isolated buck power supply

    After reading thread 248-226082 I am concerned about a design I am working on. It is a non-isolated off line buck converter for LED lighting. I understand the dangers of such a design, the system it powers has interlock switches to power it off when the unit is opened and is fully isolated from...

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