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The Siemens 3RU1146-4DB0 Sirius is an IEC rated thermal overload relay designed for the protection of three-phase motors. These overload relays reliably protect loads against overload, phase asymmetry, and phase failure. It has a class 10 and size S3, with an amp range of 18 - 25. It is designed for use with contactors 3RT1044, 3RT1045, 3RT1046.
The Siemens 3RU1146-4DB0 Sirius overload relay protects three-phase motors with a class 10, size S3, and amp range of 18 - 25.
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