The Allen-Bradley 1746-IB8 is a digital input module from the SLC 500 series, designed for reliable signal acquisition in industrial automation applications. This 1746-IB8 module features eight sinking input channels rated at 24 VDC and dissipates up to 1.9 Watts of power during normal operation. It is approved for use in all non-hazardous industrial locations and in hazardous environments classified as Class 1, Division 2, Groups A, B, C, or D. The Allen-Bradley 1746-IB8 SLC 500 digital input module has a nominal input current of 8 mA at 24 VDC, ensuring efficient and dependable input signal processing.