Product Family: SLC500.
Allen-Bradley 1746-OW16 SLC 500 16-Channel Relay Output Module.
Relay contact outputs 8 outputs per common

Number of Outputs: 16 (2 sets of 8) 
Operating Voltage: 5-265V AC, 5-125V DC
Continuous Current per Output, Max: 1.5A @ 120V AC, 1.2A @ 24V DC
Type of Contact Outputs: N.O. relay contact Output
Backplane Current Load: 170 mA @ 5V, 180 mA @ 24V. 

Allen-Bradley 1746-OW16 uses 1746-RT25C General-purpose orange terminal block

1746ow16, slc500, slc-500