3RV1021-4BA10Buy genuine Siemens 3RV1021 4BA10 online The Siemens 3RV1021 4BA10 is a factory grade motor protection circuit breaker designed for reliable industrial automation performance. It features a size S0 frame with a current setting range from 14 to 20 amps, providing robust motor overload and short circuit protection for your machinery. This circuit breaker includes an integrated heater element for thermal overload protection and magnetic trip elements for
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