MVR 31
MVR 31
MVR31 is a multifunctional voltage monitoring relay used to monitor the value of alternating or direct voltage in 1-phase circuits.
Monitors voltage exceeding the upper voltage level (Umax) and falling below the lower voltage level (Umin) - according to selected function.
- It is used to monitor the value of alternating or direct voltage in 1-phase circuits.
- Supply voltage from monitored voltage.
- Monitors voltage exceeding the upper voltage level (Umax) and falling below the lower voltage level (Umin) – according to the selected function.
- Smooth adjustment of both voltage levels – the lower level Umin is set in % of the upper level Umax.
- Adjustable time delay (to eliminate short-term voltage drops and spikes).
- Option to select functions with fault state memory (Latch).
- The fault state memory can be reseted by the control input (R).
- Measures true root mean square value of the voltage - TRUE RMS.
