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Operating Instructions

ManualsBrandsSiemens ManualsBuilding automationMD-3HD, MD-12HD, MD-24HD and MD-48HD Networked Multi-Circuit Power Metering Systems User Guide
41424344454647484950
46 Siemens Industry, Inc.
Wiring CTs to MD-3HD Meters
The images below represent CT and voltage connections between the MD-3HD and the most common
service types. For specific wiring questions outside the scope of this document, contact Siemens
Technical Support.
Three-Wire Single-Phase
Two CT Three-Wire Delta