3RV2021-4NA20Overview of Siemens 3RV2021 4NA20 Buy genuine Siemens 3RV2021 4NA20 online today for your automation system. The Siemens 3RV2021 4NA20 is a high performance motor protection circuit breaker designed for reliable operation in demanding industrial environments. As part of the SIRIUS series, this circuit breaker offers robust protection for motors, ensuring safety and longevity in your control panels. With a rated current range of 23 to 28 A and a spring
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