Thermal overload relay RTT-325 P UHL4 ver.2(EK) 50A 42.5-57.5A 660V/50Hz 1NO+1NC manual reset IP00 Elektrotekhnik ET529225

We manufacture and supply. The product is certified. RTT-3, RTT-4 series current thermal overload relays are designed to protect three-phase squirrel-cage induction motors from overcurrents of unacceptable duration, including those caused by the loss of one phase. The relays are intended for use as components in electric drive control circuits in AC circuits with a voltage up to 660V at a frequency of 50 or 60Hz, and in DC circuits with a voltage of 440V. RTT-3 and RTT-4 series relays feature temperature compensation. Relays are installed on PM-12, PM12-EK (CJ-40) contactors with rated currents up to 250A. Warranty period – 2 years from the date of commissioning. - The largest assortment on the market in Russia and CIS countries. - Reliable design.