Motor Protection Switch SIRIUS 3Rv2 Dimensions W x H x D: 45 x 97 x 91 mm Operating temperature: -20...+60 °C Overload release: 9...12.5 A Rated frequency: 50...60 Hz Rated operating voltage: 690 VAC Phase failure sensitivity: Yes Temperature compensation: Ja Tripping class: Class 10 TO IEC 60947-4-1 Protection rating: IP20 Utilisation category: AC 3