
SIEMENS 3RU2126-4NB0 ; 23-28 AMP New
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The Siemens 3RU2126-4NB0 is a SIRIUS thermal overload relay designed for reliable motor protection in industrial control panels and machine installations. With an adjustable current range of 23 to 28 A, it is a practical choice for protecting three-phase motors against overload conditions in demanding electrical environments.
This overload relay is part of the Siemens SIRIUS 3RU2 range and is intended for direct mounting with compatible Siemens contactors. It provides dependable thermal overload protection with Class 10 tripping characteristics and integrated auxiliary contacts for signalling and control circuits, supporting safe and efficient motor starter assemblies.
For maintenance, replacement or new panel builds, this Siemens motor protection relay offers proven industrial performance and straightforward integration, while the included 1-year warranty gives additional confidence for professional B2B applications.
- Brand: Siemens
- Series: SIRIUS 3RU2
- Model: 3RU2126-4NB0
- Current setting range: 23 to 28 A
- Relay type: Thermal overload relay
- Tripping class: Class 10