The Siemens 3RV2021-1KA10 circuit breaker is a professional electrical device for motor overload and short-circuit protection.
With a structure size of S0 (45mm wide), its rated current (AC-3) is 12.5A, current setting range is 9 - 12.5A, breaking capacity Icu (KA) is up to 100kA. The tripping device type is A, load class reaches [Tripping Class CLASS10], with 3 poles and no auxiliary contacts. It uses screw terminals, and both its mechanical life and electrical life are 100,000 times, with a maximum frame-level rated current of 40A.
Specifically designed for motor protection, it can accurately sense overload and short-circuit conditions during motor operation and promptly cut off the circuit to prevent motor damage. With Siemens' advanced manufacturing technology and strict quality inspection, this circuit breaker offers stable and reliable performance, widely used in the industrial motor protection field to provide solid protection for motor safe operation.