Detailed Product Description
This thermal relay is suitable for using in power systems with AC 50Hz and
rated operation voltage up to 660V and 1,000V; and in main circuit, currents
from 0.1 to 630A. It is used to protect AC three-phase asynchronous motors
against overload and open-phase. The current setting value can be regulated
and the setting current values of many thermal elements are in an
intercrossing, overlapping arrangement. It works in temperatures
between -25°C and 55°C. The relay has the test pushbutton for breaking
NC contacts, operating indication, and free trip characteristics.