Where front panel status indicators are concerned, designers have available numerous options: LED, neon, incandescent or halogen; another approach is to use light pipes, which can deliver light reliably to front panels over long distances, when conditions preclude the fitting of indicators directly to the front panel - corrosive or flammable atmospheres, or where restrictions apply with regard to static discharge or EMI, are examples. LED panel indicators are becoming increasingly popular because they have the advantages of long life span, low energy consumption, minimal heat generation, and superior reliability. They are also more durable, shock resistant, and have faster turn on/off speed than other types of illumination. Although specific design considerations may vary, typically, a standard LED panel mount indicator contains an LED light source, housing and wire leads. The connectors and mounting hardware are often added as an option to enhance the design and ease installation - and there are lots of options to choose from.
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