محصولات

MVR 54


Relay for monitoring over/under voltage, phase sequence and failure. MVR 54 – supply from all phases which means that relay is functional also in case when one phase is faulty.

توضیحات

Relay for monitoring over/under voltage, phase sequence and failure. MVR 54 – supply from all phases which means that relay is functional also in case when one phase is faulty.

  • It serves to monitor voltage, phase failure and sequence in switchboards, protection of devices in 3-phase mains
  • It is possible to set upper and lower level of monitoring voltage
  • Adjustable time delay eliminates short voltage peaks and failures in the main
  • Supply is done from monitored voltage
  • Faulty state is indicated by red LED and by opening of output relay contact
  • Output contact  1x changeover / SPDT 8 A /250 V AC1
  • In case supply voltage falls below  60 %Un (U lower level) relay off immediately opens without delay
  • MVR 54 – supply from all phases which means that relay is functional also in case when one phase is faulty
  • MVR 54N – supply  L1-N, means that relay monitors also failure of neutral wire
  • 1-MODULE, DIN rail mounting

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