Installation Manual

Table Of Contents
4-6 IB2601006E www.eaton.com
Chapter 4:
Electrical Installation IQ 250/260 Meter
Electrical Connection Diagrams
ThefollowingpagescontainelectricalconnectiondiagramsfortheIQ250/260meter.Choosethediagramthatbest
suitsyourapplication.BesuretomaintaintheCTpolaritywhenwiring.
Thediagramsarepresentedinthefollowingorder:
1.ThreePhase,Four-WireSystemWye/DeltawithDirectVoltage,3Element
a.ExampleofDualPhaseHookup
b.ExampleofSinglePhaseHookup
2.ThreePhase,Four-WireSystemWyewithDirectVoltage,2.5Element
3 Three-Phase,Four-WireWye/DeltawithPTs,3Element
4.Three-Phase,Four-WireWyewithPTs,2.5Element
5.Three-Phase,Three-WireDeltawithDirectVoltage
6.Three-Phase,Three-WireDeltawith2PTs
7.Three-Phase,Three-WireDeltawith3PTs
8.CurrentOnlyMeasurement(ThreePhase)
9.CurrentOnlyMeasurement(DualPhase)
10.CurrentOnlyMeasurement(SinglePhase)