What is the advantage of the Protected LED light modules in the new XB4 and XB5 22mm push button lines?

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Issue:
What are the characteristics of our XB4/XB5 light module?

Product Line:
Push Buttons and Operator Interface

Environment:
Harmony Push Buttons

Resolution:
The light module contains electronics to handle surges on the control system.
Specific characteristics and ratings of Protected LED light modules:

Surge withstand Conforming to IEC 61000-4-5 2/1 kV,
Resistance to fast transients Conforming to IEC 61000-4-4 2 kV
Resistance to electromagnetic fields, Conforming to IEC 61000-4-3 10 V/m
Resistance to electrostatic discharges, Specific Characteristics of Protected LED Light Modules Only

Voltage limits
Nominal voltage
24 V: 19.2 to 30 Vdc; 21.6 to 24.6 Vac
120 V: 102 to 132 Vac
240 V: 195 to 264 Vac

Current consumption Applicable to all colors
24 Vac/Vdc supply blocks: 18 mA
120 Vac supply blocks: 14 mA
240 Vac supply blocks: 14 mA

Service life At nominal voltage and at an ambient temperature of 77 F (25C)
100,000 hours

Resistance to electrostatic discharges, Conforming to IEC 61000-4-2 8/6 kV,
Electromagnetic emission Conforming to EN 55011 Class B
Conforming to IEC 61000-4-2 8/6 kV