3ru21261kb0

Class S0 / S00 9-12.5 A overload relay is a protective device for electric motors, used in control panels together with the contactor. Its function is to intervene when the motor draws too much current for too long or when there is a phase failure, preventing overheating and damage to the motor. In the results found, this product most likely corresponds to a Siemens SIRIUS size S00 thermal overload relay, with control range 9-12.5 A.