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What is the difference between a ZB4BV0*3 and ZB4BV0*3S?
Issue:
What does Fresnel (jeweled) lens mean?

Product Line:
Push Buttons and Operator Interface

Environment:
Harmony XB4 Push buttons

Resolution:
The difference is that the ZB4BV033S has a Fresnel (Jeweled) lens for better visibility, but both are for use with the Protected LED units.

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