The Allen-Bradley / Rockwell Automation 1756-IA16 is a 120V AC ControlLogix Digital Input Module. Operating voltage of 1756IA16 ranges from 74...132V AC, 50/60Hz. 1756-IA16 houses 16 inputs (8 points/group). It has a total backplane power of 0.58W, off-state voltage max. of 20V, on-state current max. of 13mA @ 132V AC, and an inrush current max. of 250mA peak. Removable terminal block housing are the 1756TBNH and 1756TBSH. Isolation voltage of 1756-ia16 is 125V (continuous).