ESR5-NO-31-24V-230VAC-DC is part of Eaton's ESR Series relay, which is a form of process control device. It is a DIN-rail-mounted, single-pole normally-open (NO) latching relay with a 24V DC voltage rating and 230V AC coil voltage rating. It also has an LED status indicator and has a maximum switching capacity of 40A ? AC/DC 125/250VAC and 30A 28VDC. It is designed to provide reliable, fast, and efficient control of process flows, motors, lighting, and other loads. It is certified UL, C-UL, and CE approved.