fonte de luz de led para iluminação de área perigosa

摘要

An LED light source is disclosed that is configured to be retrofit to an existing lamp fixture. The existing lamp fixture is of the type including a ballast housing for providing electrical power. The retrofit assembly includes a central support connectable to the ballast housing. A circuit board is mounted to the support. The circuit board includes one or more LEDs. A dome is mounted to the support and covers the LEDs. A circumferential heat sink is mounted around the support and extends radially beyond the ballast housing to carry heat directly away from the circuit board and support.