Overload relay SIRIUS 3RB2 Dimensions H x W x D: 85 x 145 x 156 mm Dimensions W x H x D: 145 x 85 x 156 mm Motor output: 22...110 kW Operating temperature: -25...+60 °C Overload release: 55...250 A Rated insulation voltage: 690 VAC, 50/60 Hz Tripping class: Class 10 Auxiliary contacts: 1 Break Contact (NC) / 1 Make Contact (NO) Protection rating: IP20 Size: S10 / S12