Eaton PM3 Instruction Leaflet

Contents

8Instruction Leaflet IL012002ENEffective March 2013Instruction Leaflet for Modbus Power Monitoring/Metering Module (PM3) for FD, JG, and KD/LGCircuit Breakers and Motor Circuit ProtectorsEATON CORPORATION www.eaton.comFigure 10. PM3 Breaker Status Wiring Diagram (KD/LG PM3).Breaker Status:Breaker status is brought to the unit through a 5-pin PhoenixRA-series connector, part number 1844249. Figure 10 shows the pinassignments for this connector. CAUTIONFOR WYE SYSTEM, A NEUTRAL IS REQUIRED TO BE CONNECTED TO THEPM3 ON THE RIGHT PHOENIX CONNECTOR. IF NEUTRAL IS NOT AVAIL-ABLE, THE METER WILL CALCULATE A VIRTUAL NEUTRAL BASED ON THEPHASE-TO-PHASE RMS VOLTAGE. THE SYSTEM MUST BE BALANCED FORTHIS TO BE ACCURATE.CombinationAuxiliary/alarmSwitch KitRedBellAlarmBlackBlueAuxAlarmBlackRedBellAlarm No ConnectVNeutralEarthGround+24VDC DC CommonCom B A