What is it?
An indicator lens is a raised or flush plastic cap that is fixed onto the top of a panel or stacking indicator.
What does it do?
An indicator lens helps to protect the bulb contained in the indicator body. Coloured lenses also change the white light emitted from a bulb into a particular colour. Colours are used to alert people to a particular action. A good example would be;
RED for stop
GREEN for go
Lenses are used in any application where an indicator is needed. Typical applications are
Control panels in factories and warehouses
Lenses are available in various shapes, profiles and colours.
Rectangular, round and square
Clear or coloured