3UA thermal overload relay
The 3UA thermal relay is suitable for A.C. 50Hz kr 60Hz, voltage up to 660∽1000V and current up to 630A. General AC motor of long or discontinuous long operation, temperature compensation,and trip indication. It can automatically and passively get back. It can be fixed with contactor together. Also be independently fixed.
Model and name
Motion characteristic: Three-phase balance motion time
Phase losing characteristic