diff --git a/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx b/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
index 011cfe54..24c5a44d 100644
--- a/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
@@ -58,7 +58,6 @@ export default function CircuitTrestleSetting({ id }) {
   const { setModuleStatisticsData } = useCircuitTrestle()
   const { handleCanvasToPng } = useImgLoader()
   const moduleSelectionData = useRecoilValue(moduleSelectionDataState)
-  const passivityCircuitAllocationRef = useRef()
   const { setIsGlobalLoading } = useContext(QcastContext)
 
   const originCanvasViewPortTransform = useRef([])
@@ -844,9 +843,16 @@ export default function CircuitTrestleSetting({ id }) {
             pcsItemId: item.itemId,
             pscOptCd: getPcsOptCd(index),
             paralQty: serQty.paralQty,
-            // 접속함 중복 체크: 동일 itemId는 1개만, 다르면 각각 올림
+            // 접속함 중복 체크: (itemId, moduleTpCd) 조합 기준으로 dedupe (Cross Mix 구분)
             connections: item.connList?.length
-              ? [...new Map(item.connList.map((conn) => [conn.itemId, { connItemId: conn.itemId, connMaxParalCnt: conn.connMaxParalCnt }])).values()]
+              ? [
+                  ...new Map(
+                    item.connList.map((conn) => [
+                      `${conn.itemId}_${conn.moduleTpCd}`,
+                      { connItemId: conn.itemId, connMaxParalCnt: conn.connMaxParalCnt, moduleTpCd: conn.moduleTpCd },
+                    ]),
+                  ).values(),
+                ]
               : [],
           })
           // return {
@@ -1041,7 +1047,7 @@ export default function CircuitTrestleSetting({ id }) {
             </div>
             {tabNum === 1 && allocationType === ALLOCATION_TYPE.AUTO && <PowerConditionalSelect {...powerConditionalSelectProps} />}
             {tabNum === 1 && allocationType === ALLOCATION_TYPE.PASSIVITY && (
-              <PassivityCircuitAllocation {...passivityProps} ref={passivityCircuitAllocationRef} isFold={isFold} />
+              <PassivityCircuitAllocation {...passivityProps} isFold={isFold} />
             )}
             {tabNum === 2 && <StepUp {...stepUpProps} onInitialize={handleStepUpInitialize} />}
           </div>
diff --git a/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx b/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
index da6ea213..60f44db3 100644
--- a/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
@@ -345,6 +345,7 @@ export default function StepUp(props) {
       itemId: conn.itemId ?? '',
       itemNm: conn.itemNm ?? '',
       vstuParalCnt: conn.vstuParalCnt ?? 0,
+      moduleTpCd: conn.moduleTpCd,
     }))
   }
 
@@ -585,15 +586,16 @@ export default function StepUp(props) {
           pcsItemId: serQty.itemId,
           pcsOptCd: seletedOption,
           paralQty: serQty.paralQty,
-          // 접속함 중복 체크: 동일 itemId는 1개만, 다르면 각각 올림
+          // 접속함 중복 체크: (itemId, moduleTpCd) 조합 기준으로 dedupe
           connections: item.connList?.length
             ? [
                 ...new Map(
                   item.connList.map((conn) => [
-                    conn.itemId,
+                    `${conn.itemId}_${conn.moduleTpCd}`,
                     {
                       connItemId: conn.itemId,
                       connMaxParalCnt: conn.connMaxParalCnt,
+                      moduleTpCd: conn.moduleTpCd,
                     },
                   ]),
                 ).values(),
diff --git a/src/hooks/common/useMasterController.js b/src/hooks/common/useMasterController.js
index 36f5bd61..971b42ce 100644
--- a/src/hooks/common/useMasterController.js
+++ b/src/hooks/common/useMasterController.js
@@ -264,6 +264,8 @@ export function useMasterController() {
    */
   const getPcsAutoRecommendList = async (params = null) => {
     return await post({ url: '/api/v1/master/getPcsAutoRecommendList', data: params }).then((res) => {
+      console.log('[moduleTpCd] getPcsAutoRecommendList req:', params)
+      console.log('[moduleTpCd] getPcsAutoRecommendList res pcsItemList:', res?.data?.pcsItemList?.map((p) => ({ itemId: p.itemId, pcsTpCd: p.pcsTpCd, connList: p.connList?.map((c) => ({ itemId: c.itemId, moduleTpCd: c.moduleTpCd })) })))
       return res
     })
   }
@@ -286,6 +288,8 @@ export function useMasterController() {
    */
   const getPcsVoltageChk = async (params = null) => {
     return await post({ url: '/api/v1/master/getPcsVoltageChk', data: params }).then((res) => {
+      console.log('[moduleTpCd] getPcsVoltageChk req:', params)
+      console.log('[moduleTpCd] getPcsVoltageChk res pcsItemList:', res?.data?.pcsItemList?.map((p) => ({ itemId: p.itemId, pcsTpCd: p.pcsTpCd, connList: p.connList?.map((c) => ({ itemId: c.itemId, moduleTpCd: c.moduleTpCd })) })))
       return res
     })
   }
@@ -322,11 +326,15 @@ export function useMasterController() {
     }
 
     return await post({ url: '/api/v1/master/getPcsVoltageStepUpList', data: params }).then((res) => {
+      console.log('[moduleTpCd] getPcsVoltageStepUpList req:', params)
+      console.log('[moduleTpCd] getPcsVoltageStepUpList res pcsItemList:', res?.data?.pcsItemList?.map((p) => ({ itemId: p.itemId, pcsTpCd: p.pcsTpCd, connList: p.connList?.map((c) => ({ itemId: c.itemId, moduleTpCd: c.moduleTpCd })) })))
       return res
     })
   }
 
   const getQuotationItem = async (params) => {
+    console.log('[moduleTpCd] getQuotationItem req pcses.connections:', params?.pcses?.map((p) => ({ pcsItemId: p.pcsItemId, connections: p.connections })))
+    console.log('[moduleTpCd] getQuotationItem full req:', params)
     return await post({ url: '/api/v1/master/getQuotationItem', data: params })
       .then((res) => {
         return res
@@ -355,6 +363,8 @@ export function useMasterController() {
    */
   const getPcsConnOptionItemList = async (params = null) => {
     return await post({ url: '/api/v1/master/getPcsConnOptionItemList', data: params }).then((res) => {
+      console.log('[moduleTpCd] getPcsConnOptionItemList req:', params)
+      console.log('[moduleTpCd] getPcsConnOptionItemList res pcsItemList:', res?.data?.pcsItemList?.map((p) => ({ itemId: p.itemId, pcsTpCd: p.pcsTpCd, connList: p.connList?.map((c) => ({ itemId: c.itemId, moduleTpCd: c.moduleTpCd })) })))
       return res
     })
   }