Overcurrent And Earth-Fault Relay

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AMP 400


AMP 400 is tended for use in three-phase system.
The main protective functions is overcurrent and earth fault protection.

  • Programmable adjustment for current ratio
  • Line and ground RMS currents measurement
  • Auto scrolling of three phase and earth-fault current value
  • Setting value protected by password
  • Local display of data recorded at the moment of a fault
  • 1 trip relay (SPDT) and 2 programmable auxiliary relay (SPST)
  • 4 programmable digital inputs
  • With RS485 output
  • Immunity test according the IEC standards
  • Outside dimension compatible for DIN standards (144 x 144mm)
  • Internal fault detection
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