Eaton/Moeller EMR4-A400-1

Phase Imbalance Monitoring Relay

Description Supply Voltage Monitoring Voltage
  • Monitors three-phase systems for phase imbalance
  • Detects phase failure even at 95% voltage feedback from the motor
  • Response delay: 0.5 s
  • Phase imbalance response threshold adjustable from 5 – 15 %
  • Phase sequence detection
  • Supply voltage = voltage being monitored


380 – 415 V 50 Hz

EMR4-A400-1 Circuit Symbol

EMR4-A400-1 Circuit Symbol

EMR4-I1-2-A AWA Installation Sheet

02/00 AWA 2430-1862 FD/
[250.45 KB]

EMR4-A400-1 Dimensions

EMR4-A400-1 Dimensions EMR4-A400-1 Dimensions
EMR4-A400-1 Dimension Data


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