diff --git a/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/export/ExportToCimVersionTest.java b/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/export/ExportToCimVersionTest.java
index b8b2b83c39c..c8220987733 100644
--- a/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/export/ExportToCimVersionTest.java
+++ b/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/export/ExportToCimVersionTest.java
@@ -8,7 +8,9 @@
 
 import com.powsybl.cgmes.conversion.CgmesExport;
 import com.powsybl.cgmes.conversion.CgmesImport;
+import com.powsybl.cgmes.conversion.CgmesModelExtension;
 import com.powsybl.cgmes.extensions.CimCharacteristics;
+import com.powsybl.cgmes.model.CgmesModel;
 import com.powsybl.cgmes.model.test.cim14.Cim14SmallCasesCatalog;
 import com.powsybl.commons.AbstractConverterTest;
 import com.powsybl.commons.datasource.MemDataSource;
@@ -23,7 +25,7 @@
 import java.io.IOException;
 import java.util.Properties;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.*;
 
 /**
  * @author Luma <zamarrenolm at aia.es>
@@ -60,7 +62,26 @@ public void testExportIEEE14Cim14ToCim100() {
         testExportToCim(network, "IEEE14", 100);
     }
 
-    private Network ieee14Cim14() {
+    @Test
+    public void testExportIEEE14ToCim100CheckIsNodeBreaker() {
+        // Testing export to CGMES 3 is interpreted as a node/breaker CGMES model
+        // Input was a bus/branch model
+
+        Network network = ieee14Cim14();
+        CgmesModel cgmesModel14 = network.getExtension(CgmesModelExtension.class).getCgmesModel();
+        assertFalse(cgmesModel14.isNodeBreaker());
+
+        String cimZipFilename = "ieee14_CIM100";
+        Properties params = new Properties();
+        params.put(CgmesExport.CIM_VERSION, "100");
+        ZipFileDataSource zip = new ZipFileDataSource(tmpDir.resolve("."), cimZipFilename);
+        new CgmesExport().export(network, params, zip);
+        Network network100 = Importers.loadNetwork(tmpDir.resolve(cimZipFilename + ".zip"));
+        CgmesModel cgmesModel100 = network100.getExtension(CgmesModelExtension.class).getCgmesModel();
+        assertTrue(cgmesModel100.isNodeBreaker());
+    }
+
+    private static Network ieee14Cim14() {
         ReadOnlyDataSource dataSource = Cim14SmallCasesCatalog.ieee14().dataSource();
         return new CgmesImport().importData(dataSource, NetworkFactory.findDefault(), null);
     }
diff --git a/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/CgmesNamespace.java b/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/CgmesNamespace.java
index 5fda2d0a1f0..12e6a46b620 100644
--- a/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/CgmesNamespace.java
+++ b/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/CgmesNamespace.java
@@ -39,17 +39,18 @@ private CgmesNamespace() {
     public static final String EU_NAMESPACE = "http://iec.ch/TC57/CIM100-European#";
     public static final String MD_NAMESPACE = "http://iec.ch/TC57/61970-552/ModelDescription/1#";
 
-    private static final String CIM_16_EQ_PROFILE = "http://entsoe.eu/CIM/EquipmentCore/3/1";
-    private static final String CIM_16_EQ_OPERATION_PROFILE = "http://entsoe.eu/CIM/EquipmentOperation/3/1";
-    private static final String CIM_16_TP_PROFILE = "http://entsoe.eu/CIM/Topology/4/1";
-    private static final String CIM_16_SV_PROFILE = "http://entsoe.eu/CIM/StateVariables/4/1";
-    private static final String CIM_16_SSH_PROFILE = "http://entsoe.eu/CIM/SteadyStateHypothesis/1/1";
+    public static final String CIM_16_EQ_PROFILE = "http://entsoe.eu/CIM/EquipmentCore/3/1";
+    public static final String CIM_16_EQ_OPERATION_PROFILE = "http://entsoe.eu/CIM/EquipmentOperation/3/1";
+    public static final String CIM_16_TP_PROFILE = "http://entsoe.eu/CIM/Topology/4/1";
+    public static final String CIM_16_SV_PROFILE = "http://entsoe.eu/CIM/StateVariables/4/1";
+    public static final String CIM_16_SSH_PROFILE = "http://entsoe.eu/CIM/SteadyStateHypothesis/1/1";
 
-    private static final String CIM_100_EQ_PROFILE = "http://iec.ch/TC57/ns/CIM/CoreEquipment-EU/3.0";
-    private static final String CIM_100_EQ_OPERATION_PROFILE = "http://iec.ch/TC57/ns/CIM/Operation-EU/3.0";
-    private static final String CIM_100_TP_PROFILE = "http://iec.ch/TC57/ns/CIM/Topology-EU/3.0";
-    private static final String CIM_100_SV_PROFILE = "http://iec.ch/TC57/ns/CIM/StateVariables-EU/3.0";
-    private static final String CIM_100_SSH_PROFILE = "http://iec.ch/TC57/ns/CIM/SteadyStateHypothesis-EU/3.0";
+    public static final String CGMES_EQ_3_OR_GREATER_PREFIX = "http://iec.ch/TC57/ns/CIM/CoreEquipment-EU/";
+    public static final String CIM_100_EQ_PROFILE = "http://iec.ch/TC57/ns/CIM/CoreEquipment-EU/3.0";
+    public static final String CIM_100_EQ_OPERATION_PROFILE = "http://iec.ch/TC57/ns/CIM/Operation-EU/3.0";
+    public static final String CIM_100_TP_PROFILE = "http://iec.ch/TC57/ns/CIM/Topology-EU/3.0";
+    public static final String CIM_100_SV_PROFILE = "http://iec.ch/TC57/ns/CIM/StateVariables-EU/3.0";
+    public static final String CIM_100_SSH_PROFILE = "http://iec.ch/TC57/ns/CIM/SteadyStateHypothesis-EU/3.0";
 
     private static final Map<Integer, Map<String, String>> PROFILES = Map.of(
             16, Map.of("EQ", CIM_16_EQ_PROFILE, "EQ_OP", CIM_16_EQ_OPERATION_PROFILE, "SSH", CIM_16_SSH_PROFILE, "SV", CIM_16_SV_PROFILE, "TP", CIM_16_TP_PROFILE),
diff --git a/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/triplestore/CgmesModelTripleStore.java b/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/triplestore/CgmesModelTripleStore.java
index 2abd68b43be..06e423111c8 100644
--- a/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/triplestore/CgmesModelTripleStore.java
+++ b/cgmes/cgmes-model/src/main/java/com/powsybl/cgmes/model/triplestore/CgmesModelTripleStore.java
@@ -26,6 +26,9 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import static com.powsybl.cgmes.model.CgmesNamespace.CGMES_EQ_3_OR_GREATER_PREFIX;
+import static com.powsybl.cgmes.model.CgmesNamespace.CIM_100_EQ_PROFILE;
+
 /**
  * @author Luma Zamarreño <zamarrenolm at aia.es>
  */
@@ -163,6 +166,9 @@ private boolean computeIsNodeBreaker() {
         if (r == null) {
             return false;
         }
+        if (allEqCgmes3OrGreater(r)) {
+            return true;
+        }
         // Only consider is node breaker if all models that have profile
         // EquipmentCore or EquipmentBoundary
         // also have EquipmentOperation or EquipmentBoundaryOperation
@@ -174,6 +180,20 @@ private boolean computeIsNodeBreaker() {
         return consideredNodeBreaker;
     }
 
+    private boolean allEqCgmes3OrGreater(PropertyBags modelProfiles) {
+        for (PropertyBag mp : modelProfiles) {
+            String p = mp.get(PROFILE);
+            if (p != null && isEquipmentCore(p) && !isEqCgmes3OrGreater(p)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    private static boolean isEqCgmes3OrGreater(String profile) {
+        return profile.startsWith(CGMES_EQ_3_OR_GREATER_PREFIX) && profile.compareTo(CIM_100_EQ_PROFILE) >= 0;
+    }
+
     private void logNodeBreaker(boolean consideredNodeBreaker, Map<String, Boolean> modelHasOperationProfile) {
         if (consideredNodeBreaker) {
             LOG.info(