diff --git a/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx b/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
index 1c72c105..803ea4d9 100644
--- a/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
@@ -16,7 +16,7 @@ import { useSwal } from '@/hooks/useSwal'
 import { canvasState, canvasZoomState } from '@/store/canvasAtom'
 
 import { useTrestle } from '@/hooks/module/useTrestle'
-import { selectedModuleState } from '@/store/selectedModuleOptions'
+import { moduleSelectionDataState, selectedModuleState } from '@/store/selectedModuleOptions'
 import { v4 as uuidv4 } from 'uuid'
 
 import { useEstimate } from '@/hooks/useEstimate'
@@ -60,7 +60,7 @@ export default function CircuitTrestleSetting({ id }) {
   const [seletedSubOption, setSeletedSubOption] = useState(null)
   const { setModuleStatisticsData } = useCircuitTrestle()
   const { handleCanvasToPng } = useImgLoader()
-
+  const moduleSelectionData = useRecoilValue(moduleSelectionDataState)
   const passivityCircuitAllocationRef = useRef()
   const { setIsGlobalLoading } = useContext(QcastContext)
 
@@ -340,8 +340,15 @@ export default function CircuitTrestleSetting({ id }) {
 
       const target = pcsCheck.max ? moduleMaxQty : moduleStdQty
       const placementModules = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE)
+      let moduleAmount = placementModules.reduce((acc, module) => {
+        if (moduleSelectionData.module.itemList.length === 1 || module.moduleInfo.itemId === moduleSelectionData.module.itemList[0].itemId) {
+          return acc + 1
+        } else {
+          return acc + 0.66
+        }
+      }, 0)
 
-      if (placementModules.length > target) {
+      if (moduleAmount > target) {
         swalFire({
           title: getMessage('modal.circuit.trestle.setting.circuit.allocation.passivity.all.power.conditional.validation.error01'),
           type: 'alert',
diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index 643b8e03..b0ec3a31 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -2568,6 +2568,10 @@ export const useTrestle = () => {
   const getSameLineModules = (surface) => {
     const { direction, modules, isChidory } = surface
 
+    if (!modules || modules.length === 0) {
+      return
+    }
+
     // 같은 단에 있는 모듈들의 리스트
     let sameLineModuleList = []