Wago 750-428 WAGO-I/O-SYSTEM 750 Digital Input Modules
4-channel Digital Input, AC/DC 42 V, 20 ms, 2-wire connection, without 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 with a time constant.
Field and system levels are electrically isolated.
All inputs are isolated.