Dold MK9163N.12 AC50/60HZ 110V Safety relay, Part N: 0057078

The thermistor motor protection relay MK 9163N is used to To protect against thermal overload of motors caused by high switching frequency, havy duty starting, phase failure on one phase, bad cooling, high ambient temperature. Also the temperature monitoring of bearings, transmissions, oil and cooling liquids is possible. Up to six thermistors can be connected via the input.