Page 34 - Elko relays
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                                          MONITORING RELAYS FUNCTION CHART















                           Thermistor Relay

                         TER-7



                                                 HRH-2  Liquid Level Relay

                           1-phase Current Relay (3 ranges)



                         PRI-41






                                                 PRI-32  1-phase Current Relay






                         HRN-54/54N  3-phase + N Voltage Relay  HRN-55 3-phase Phase Fail/Seq. Relay











                            3-phase + N Voltage Relay


                         HRN-43N                 HRN-41 1-phase Voltage Relay (3 ranges)













                         HRN-35  1-phase Voltage Relay








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