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The SIEMENS 3RB2133-4UW1 is an overload relay designed for motor protection, with a range of 12.5 to 50 A. It is size S2, Class 5...30, and features stand-alone installation. It protects against excessive temperature rises due to overload, phase unbalance, or phase failure.
Provides reliable motor protection with manual and automatic reset options. Suitable for stand-alone installation.
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