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Monitoring relay - VRSC1-28 /139

Product code (SKU): 4226 EN
Synchro-check mointoring relay

18672bgn. (-25% )

14004bgn.

Available

Description

  • This unit compares the voltage, frequency and phase of two supplies and operates a relay according to the synchronicity of the supplies.
  • The relay alarm output can be used for alarm or control purposes.
  • The unit also provides a dead bus function - if the bus supply fails, the relay operates and theoutput can be used to switch in a emergency generator.
  • LEDs indicate power on, relay and dead bus status.
  • Controls on the front panel set the trip points at which the relays and LEDs operate:
    • Degree of synchronicity Ux (% volts).
    • Nominal voltage (Un).
    • Dead bus function on/off.

Technical description

  • Degree of synchronicity Ux (% volts).
  • Rated Vg range Un:  - 100 - 139 V
  • Nominal voltage (Un).
  • Dead bus function on/off.

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