Voltage Monitoring Relay Dimensions W x H x D: 38 x 51 x 67 mm Operating temperature: -25...+55 °C Voltage measurement range, AC: 161...299 V Rated output: 250 VAC / 5 A Start delay: 0.1 - 10 s Tripping delay: 0.1 - 10 s Assembly type: Plug-Type Assembly Operating voltage type: 3-phase Output contact: 2 Change-Over (CO) Protection rating: IP40 Plug: 13 mm Rated voltage: 230 VAC / 132 VAC