
SIEMENS 3RU2136-4QBO ; 47-57 AMP ADJUSTABLE New
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The Siemens 3RU2136-4QBO is a reliable adjustable thermal overload relay for industrial motor protection and control panel applications. Designed for professional electrical installations, it helps protect motors against overload conditions while supporting dependable operation in automation, machinery and process environments.
With an adjustable current setting range of 47 to 57 A, this Siemens SIRIUS 3RU21 overload relay enables accurate adaptation to the rated motor current. It is suitable for use in motor starter combinations and provides a practical solution for maintenance, replacement and panel building where consistent protection and Siemens compatibility are required.
For B2B users looking for a dependable Siemens motor protection component, the 3RU2136-4QBO offers proven performance and straightforward integration, with the added confidence that this product comes with a 1-year warranty.
- Brand: Siemens
- Series: SIRIUS 3RU21
- Model: 3RU2136-4QBO
- Current setting range: 47 to 57 A