Siemens 3RU1146-4HB0
Siemens SIRIUS 3RU1146-4HB0 thermal overload relay, size S3, with an adjustable current range of 40-50A. Provides dependable CLASS 10 motor protection against overload and phase failure. Designed for direct mounting on contactors.
Siemens 3RU1146-4HB0
The Siemens 3RU1146-4HB0 is a SIRIUS thermal overload relay designed for reliable and efficient motor protection. As part of the proven SIRIUS modular system, this size S3 relay offers current-dependent protection against overload and phase failure. It features a wide adjustable current setting range from 40 to 50 A and is designed for direct mounting onto SIRIUS 3RT1 contactors, ensuring a compact and mechanically stable starter combination. The device is equipped with a manual/automatic RESET function, a TEST function, and an integrated STOP button for enhanced operational safety and flexibility. Its robust design and screw-type terminals ensure secure connections and long-lasting performance in demanding industrial environments.
Technical Specifications:
Product Type: Thermal Overload Relay
Size of Overload Relay: S3
Adjustable Current Range: 40 … 50 A
Trip Class: CLASS 10
Mounting Type: Contactor mounting
Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
Connection Type: Screw terminals for main and auxiliary circuits
| Brand | Siemens |
|---|---|
| Model | 3RU1146-4HB0 |
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