Marking For America According To Nec 500; Figure 21: Side Marking Example For I/O Modules; Figure 22: Text Detail - Marking Example For Approved I/O Modules; Table 26: Description Of Marking Example For Approved I/O Modules - WAGO 750-539 Manual
4do 24v dc valve ex i 4-channel digital output module dc 24 v, valve ex i for wago-i/o-system 750