Digital output Modul: 4-channel digital output; 24 VDC; 0.5 A Model: 750-504 Waco Digital Output Module: 4-channel digital output Input Voltage: 24 VDC Output Current: 0.5 A 750-504 Waco is a versatile industrial automation product that can be used in a variety of applications such as factory automation, process control, and machine monitoring. This high-quality item is available for purchase at PLC2Day, your one-stop shop for all your industrial automation needs.