The OMRON ELECTRONICS part G4A-1A-PE-DC5 is a power relay with a 5VDC coil voltage and a 20A contact rating. It features a single pole, single throw normally open contact configuration. With dimensions of 30.5mm (length), 16mm (width), and 26.8mm (height), this through-hole mountable relay offers a compact and space-saving solution. Ideal for use in various industrial applications, this power relay ensures reliable performance and high switching capability.