The Siemens 3RV6021-4NA10 circuit breaker is an electrical component specifically designed for motor overload and short-circuit protection.
With a specification of S0 (45mm wide), its rated current (AC-3) is 28A, current setting range is 23 - 28A, breaking capacity Icu (KA) reaches 55kA, load class is [Tripping Class CLASS10], with 3 poles and no auxiliary contacts. The wiring method is screw terminals, and both its mechanical life and electrical life are up to 100,000 times, with a maximum frame-level rated current of 40A.
As a motor protection device, it can promptly respond to motor overload and short-circuit conditions, effectively preventing motor damage due to abnormal currents. With reliable performance and stable quality, it is widely used in various industrial motor protection scenarios, providing solid protection for motor safe operation.