3UA series thermal relay is suitable for using in the power system with AC 50Hz, rated operation voltage

APPLICATIONS3UA series thermal relay is suitable for using in the power system with AC 50Hz, rated operation voltageup to 660V and 1000V, in main circuit, current from 0.1A to 630A, It is used to protect AC three - phaseasynchronous motor against overload and open - phase. The relays have the rest push - button forbreaking NC contacts and the opertaing indication and free trip characteristics. The products also canbe supplied with protecting case to ensure safety. The produsts can be plugged in the contactor andintalled independently or mounted by rail.

3UA Series Thermal Relay