Relay DMR-400T 4 ser.

DMR-400T 4 ser.
Differential-minimum relay DMR-400T 4 ser. designed to connect generators to the on-board network when their voltage exceeds the voltage of the on-board network, automatically disconnect the generator from the on-board network in case of reverse current and exclude the possibility of connecting the generator to the network with reverse polarity.
In addition, the differential-minimum relay automatically turns off the generator in case of a break in the power wire between the generator and the differential-minimum relay with a certain external switching scheme and provides manual (non-automatic) remote switching on and off of the generator.
Currently, differential-minimum relays of the type DMR-200, DMR-400, DMR-600, DMR-800 are used
The numbers in the designation of the relay of each type correspond to the rated currents for which the power contacts of the relay are designed (200, 400, 600, 800 A), and the letters after the numbers correspond to their modifications (for example, DMR-400AM, DMR-400D, etc.) .