Allen-Bradley Model: 1746-OV8 SLC 500 8-Channel DC Output Module Series: A 1746OV8 Japan The Allen-Bradley 1746-OV8 is a digital I/O module for the SLC 500 system. It's a current sinking 24V DC output module with an operating voltage of 10-50V DC. The 1746-OV8 has eight outputs with eight points per common.Have some marks and scratches due to old stock.© All the pictures are Organic and this part is physically in our stock