What Are Panel Indicators? Distributor Alan Butcher Components helps to explain.   Panel indicators are optoelectronic devices which emit light to show the operating condition of a machine or appliance.  Manufacturers and distributors use various terminologies for this type of product which can be confusing when trying to source an item, particularly on-line:   Signal lamps Signal lights Indicator lights Indicators Panel indicators Pilot lights   Essentially, the above terms all describe a light .

Stainless Steel LED Signal Lamps. We have recently introduced stainless steel LED signal lamps and indicator lights to our product range.  These complement our Anti Vandal Switches and are available in the various cut-out options – 12mm, 16mm, 19mm and 22mm.   Built to withstand the demands of harsh environments, these signal lamps are IP67 rated.  Lamp colour and voltages are offered as follows: Colour Options LED Lamp Options   Red AC/DC 6V   Yellow .