Wago 750-408 WAGO-I/O-SYSTEM 750 Digital Input Modules
4-channel Digital Input, DC 24 V, 3 ms, low-side switching, 2-wire connection, with Power jumper contacts
This digital input module receives control signals from digital field devices (e.g., sensors).
Each input module has a noise-rejection filter.
This filter is available with different time constants.
Field and system levels are electrically isolated.