3RU1146-4KB0 OVERLOAD RELAYS
The Siemens Sirius 3RU1146-4KB0 is an IEC rated thermal overload relay used for the protection of three-phase motors. SIRIUS overload relays reliably protect loads against overload, phase asymmetry and phase failure.
Overload relay 14...20 A For motor protection Size S0, Class 10 Contactor mounting Main circuit: screw terminal Auxiliary circuit: screw terminal Manual-Automatic-Reset !!! Phased-out product !!! Successor is SIRIUS 3RU2 Preferred successor type is >>3RU2126-4BB0<<