Voltage Monitoring Relay Dimensions W x H x D: 38 x 51 x 67 mm Operating temperature: -25...+55 °C Voltage measurement range, AC: 172.5...299 V Rated output: 250 VAC / 5 A Tripping delay: No Assembly type: Plug-Type Assembly Operating voltage type: Single Phase Output contact: 2 Change-Over (CO) Protection rating: IP40 Plug: 13 mm Rated voltage: 230 VAC