58719

Produttore: DOLD

Descrizione:
The 0058719 is a frequency relay used for frequency monitoring of AC voltages. It is used for monitoring the output frequenc of frequency converters (/050) or for monitoring the rotor frequency of slip ring motors. Further areas of application are the monitoring of drives in crane systems, as well as the frequency monitoring of the supply voltage in rail vehicles. Features Fast reaction time by measuring duration of cycle of input frequency As option with measuring input for inverters Adjustable hysteresis Galvanic separation between measuring input, auxiliary voltage and output contacts Open circuit operation on request Universal usage Easy handling Applications Monitoring of frequency in AC systems Monitoring of rotor frequency on slip ring motors Control and monitoring of motors in sewage water treatment plants Monitoring of output voltage on inverters Monitoring of supply voltage frequency on railway rolling stock