Siemens SIRIUS 3RU2 Thermal Overload Relay 1NC/1NO, 28 A F.L.C, 3 A Contact Rating, 20 kW, 3P, SIRIUS

The Siemens Overload relay is used for motor protection. The relay have current capacity of 23 to 28 A. It has size S0, class 10 contact for mounting main circuit, ring cable lug auxiliary circuit and it is ring cable lug manual-automatic-reset device.

Surge voltage resistance rated value of 6 kV
Shock resistance 8g / 11 ms
Operating frequency rated value 50 to 60 Hz