Metering Devices, Protective Relays, Software and ... - Mercado-ideal

22.3Metering Devices, Protective Relays, Software and ConnectivityMetering Devices222222222222222222222222222222222222222222222222222222222222Wiring DiagramsTypical Field Wiring ConnectionsLineL3L2L1LineL3L2L1OpenDeltaPTConnectionThree-Phase Three-Wire (up to 600 Volts)Proper CT polarity is critical to the proper operation of the meterFuseH2A H2B H2CH1A H1B H1CVA VBThree-Phase Three-Wire (above 600 Volts)Proper CT polarity is critical to the proper operation of the meterUH2A H2B H2CH1A H1B H1CIQ 200VA VB VC NEUPS2Control PowerIQ 22090 – 600 Vac48 – 250 VdcFusePS1 PS2FuseControl PowerIQ 22090 – 600 Vac48 – cLoadCaseGroundmust bederIQ 210110 – 240 Vac125 –LoadCaseGroundmusttedroperationIQ 210110 – 240 Vac125 –LineNL3L2L1LineNL3L2L1WYEConnectionThree-Phase Four-Wire (up to 600 Volts)(Line Powered) Proper CT polarity is critical to the proper operation of the meterH2 2B H2CH1 1B H1CIQ 200VA VB VC NEUPS1 PS2FuseControl PowerIQ 22090 – 600 Vac48 – 250 VdcThree-Phase Four-Wire (above 600 Volts)Proper CT polarity is critical to the proper operation of the meterH2 2B H2CH1 1B H1CIQ 200VA VB VC NEUPS1 PS2Control PowerIQ 22090 – 600 Vac48 – cCaseGroundmust beconnectedfor properoperationLoadIQ 210110 – 240 Vac125 – cFuseCaseGroundmust beconnectedfor properoperationLoadIQ 210110 – 240 Vac125 – 250 Vdc246 Volume 3—Power Distribution and Control Assemblies CA08100004E—December 2010 www.eaton.com