Phoenix Contact 1474394 The light guide features multiple passive, rigid modules with a raised head and spherical emission surface, accommodating 8 displays arranged in a single row of 8 columns, with a pitch of 2.54 mm. These modules are protected against electrostatic discharge (ESD) and can be integrated into various housing types such as ME, ME-MAX, ME-IO, ME PLC, and EH, although the housing must undergo processing to meet compatibility requirements.