Schneider Electric's DIA-4 8430 AC Current Relay is a Square D 8430-series current-control relay (model DIA-4) designed for 110 V operation in 50/60 Hz power systems. The 8430-DIA4 variant provides a current-sensing range of 0.5 to 5 A, enabling a control action when the monitored current crosses the preset threshold. As part of the Class 8430 family, this relay is cataloged and sold as DIA-4 (8430-DIA4) by Square D, with listings noting 110 VAC operation and a 50/60 Hz compatible input.
