Marking For America According To Nec 500; Figure 15: Side Marking Example For I/O Modules According To Nec 500; Figure 16: Text Detail - Marking Example For Approved I/O Modules According To Nec 500; Table 18: Description Of Marking Example For Approved I/O Modules According To Nec 500 - WAGO 750 Series Manual
4di 24v dc 3.0ms, low-side switching, 3-conductor 4-channel digital input module 24 vdc, low-side switching, 3-conductor connection