Application
3UA thermal relay is suitable for AC circuits with 50Hz or 60Hz, voltage up to 660 - 1000V and current up to 630A. It is used for general AC motors in long - term or discontinuous long - term operation, with temperature compensation and trip indication functions. It can be automatically and manually reset. It can be mounted together with a contactor or independently mounted.
Model and name
Motion characteristic.Three-phase balance motion time
Phase-losing morion characteristic
Specifications