diff --git a/components/main/kabelueberwachung/kue705FO/Charts/LoopMeasurementChart/LoopChartActionBar.tsx b/components/main/kabelueberwachung/kue705FO/Charts/LoopMeasurementChart/LoopChartActionBar.tsx
index efc8745..3331ebe 100644
--- a/components/main/kabelueberwachung/kue705FO/Charts/LoopMeasurementChart/LoopChartActionBar.tsx
+++ b/components/main/kabelueberwachung/kue705FO/Charts/LoopMeasurementChart/LoopChartActionBar.tsx
@@ -1,5 +1,5 @@
-"use client"; // components/main/kabelueberwachung/kue705FO/Charts/LoopMeasurementChart/LoopChartActionBar.tsx
-import React, { useEffect, useMemo } from "react";
+"use client";
+import React from "react";
 import DateRangePicker from "./DateRangePicker";
 import { useDispatch, useSelector } from "react-redux";
 import { RootState } from "../../../../../../redux/store";
@@ -10,6 +10,8 @@ import {
   setSelectedMode,
   setSelectedSlotType,
   setChartOpen,
+  setFullScreen,
+  setLoading,
 } from "../../../../../../redux/slices/kabelueberwachungChartSlice";
 import { setBrushRange } from "../../../../../../redux/slices/brushSlice";
 import { setChartTitle } from "../../../../../../redux/slices/loopChartTypeSlice";
@@ -17,7 +19,6 @@ import { setChartTitle } from "../../../../../../redux/slices/loopChartTypeSlice
 const LoopChartActionBar: React.FC = () => {
   const dispatch = useDispatch();
 
-  // Redux-Status abrufen
   const {
     vonDatum,
     bisDatum,
@@ -26,21 +27,14 @@ const LoopChartActionBar: React.FC = () => {
     isChartOpen,
     slotNumber,
     loopMeasurementCurveChartData,
+    isLoading,
   } = useSelector((state: RootState) => state.kabelueberwachungChartSlice);
 
-  /**
-   * API-URL-Erstellung für Entwicklung und Produktion
-   */
   const getApiUrl = (
     mode: "DIA0" | "DIA1" | "DIA2",
     type: number,
     slotNumber: number
   ) => {
-    if (!slotNumber) {
-      console.error("⚠️ Slot-Nummer nicht gesetzt!");
-      return "";
-    }
-
     const typeFolder =
       type === 3 ? "isolationswiderstand" : "schleifenwiderstand";
 
@@ -54,27 +48,31 @@ const LoopChartActionBar: React.FC = () => {
     return baseUrl;
   };
 
-  // Funktion zur Umformatierung des Datums von "YYYY-MM-DD" zu "YYYY;MM;DD"
   const formatDate = (dateString: string) => {
-    const dateParts = dateString.split("-");
-    return `${dateParts[0]};${dateParts[1]};${dateParts[2]}`;
+    const [year, month, day] = dateString.split("-");
+    return `${year};${month};${day}`;
   };
 
-  /**
-   * Funktion zum Laden der Messwerte
-   */
   const handleFetchData = async () => {
     const type = selectedSlotType === "schleifenwiderstand" ? 4 : 3;
+
     if (slotNumber === null) {
-      console.error("⚠️ Slot-Nummer nicht gesetzt!");
+      alert("⚠️ Bitte zuerst einen Slot auswählen!");
       return;
     }
-    const apiUrl = getApiUrl(selectedMode, type, slotNumber); // ✅ slotNumber ergänzt
 
+    const apiUrl = getApiUrl(selectedMode, type, slotNumber);
     if (!apiUrl) return;
 
+    dispatch(setLoading(true));
+    dispatch(setChartOpen(false));
+    dispatch(setLoopMeasurementCurveChartData([]));
+    dispatch(setFullScreen(false));
+
+    const MIN_LOADING_TIME_MS = 1000;
+    const startTime = Date.now();
+
     try {
-      // console.log("📡 API-Request an:", apiUrl);
       const response = await fetch(apiUrl, {
         method: "GET",
         headers: { "Content-Type": "application/json" },
@@ -83,53 +81,28 @@ const LoopChartActionBar: React.FC = () => {
       if (!response.ok) throw new Error(`Fehler: ${response.status}`);
 
       const jsonData = await response.json();
-      console.log("✅ API URL ", apiUrl);
-      console.log("✅ Daten erfolgreich geladen:", jsonData);
+      const elapsedTime = Date.now() - startTime;
+      const waitTime = Math.max(0, MIN_LOADING_TIME_MS - elapsedTime);
+      await new Promise((resolve) => setTimeout(resolve, waitTime));
 
-      if (Array.isArray(jsonData)) {
-        dispatch(setLoopMeasurementCurveChartData([...jsonData]));
-
-        // Falls das Chart zum ersten Mal geöffnet wird, setze vonDatum & bisDatum
-        if (!isChartOpen && jsonData.length > 0) {
-          const firstDate = new Date(jsonData[jsonData.length - 1].t);
-          const lastDate = new Date(jsonData[0].t);
-          dispatch(setVonDatum(firstDate.toISOString().split("T")[0]));
-          dispatch(setBisDatum(lastDate.toISOString().split("T")[0]));
-          dispatch(setChartOpen(true));
-        }
+      if (Array.isArray(jsonData) && jsonData.length > 0) {
+        dispatch(setLoopMeasurementCurveChartData(jsonData));
+        dispatch(setChartOpen(true));
       } else {
-        console.error("⚠️ Erwartetes Array, aber erhalten:", jsonData);
+        alert("⚠️ Keine Messdaten im gewählten Zeitraum gefunden.");
+        dispatch(setLoopMeasurementCurveChartData([]));
+        dispatch(setChartOpen(false));
       }
-    } catch (error) {
-      console.error("❌ Fehler beim Laden der Daten:", error);
+    } catch (err) {
+      console.error("❌ Fehler beim Laden der Daten:", err);
+      alert("❌ Fehler beim Laden der Daten.");
+    } finally {
+      dispatch(setLoading(false));
     }
   };
 
-  const minDate = useMemo(() => {
-    if (!loopMeasurementCurveChartData?.length) return "";
-    return new Date(
-      loopMeasurementCurveChartData[loopMeasurementCurveChartData.length - 1].t
-    )
-      .toISOString()
-      .split("T")[0];
-  }, [loopMeasurementCurveChartData]);
-
-  const maxDate = useMemo(() => {
-    if (!loopMeasurementCurveChartData?.length) return "";
-    return new Date(loopMeasurementCurveChartData[0].t)
-      .toISOString()
-      .split("T")[0];
-  }, [loopMeasurementCurveChartData]);
-
-  // Automatische Datenaktualisierung bei Auswahländerung
-  useEffect(() => {
-    handleFetchData();
-    // Wenn sich slotNumber, Zeitraum oder Auswahl ändert, neu laden:
-  }, [selectedMode, selectedSlotType, slotNumber, vonDatum, bisDatum]);
-
   return (
     <div className="flex justify-between items-center p-2 bg-gray-100 rounded-lg space-x-2">
-      {/* Slot Nummer links positioniert */}
       <div className="flex items-center">
         <label className="text-sm font-semibold">
           Slot {slotNumber ?? "-"}
@@ -145,7 +118,7 @@ const LoopChartActionBar: React.FC = () => {
             dispatch(
               setSelectedMode(e.target.value as "DIA0" | "DIA1" | "DIA2")
             );
-            dispatch(setBrushRange({ startIndex: 0, endIndex: 0 })); // Zurücksetzen
+            dispatch(setBrushRange({ startIndex: 0, endIndex: 0 }));
           }}
           className="px-3 py-1 bg-white border rounded text-sm"
         >
@@ -174,6 +147,20 @@ const LoopChartActionBar: React.FC = () => {
           <option value="schleifenwiderstand">Schleifenwiderstand</option>
           <option value="isolationswiderstand">Isolationswiderstand</option>
         </select>
+
+        <button
+          onClick={handleFetchData}
+          className="px-4 py-1 bg-blue-500 hover:bg-blue-600 text-white rounded text-sm"
+        >
+          Daten laden
+        </button>
+
+        {isLoading && (
+          <div className="flex items-center space-x-2 text-sm text-gray-500">
+            <div className="w-4 h-4 border-2 border-t-2 border-blue-500 rounded-full animate-spin" />
+            <span>Lade Daten...</span>
+          </div>
+        )}
       </div>
     </div>
   );
diff --git a/config/webVersion.ts b/config/webVersion.ts
index be6afe0..e588048 100644
--- a/config/webVersion.ts
+++ b/config/webVersion.ts
@@ -6,5 +6,5 @@
 2: Patch oder Hotfix (Bugfixes oder kleine Änderungen).
 
 */
-const webVersion = "1.6.210";
+const webVersion = "1.6.211";
 export default webVersion;
diff --git a/redux/slices/kabelueberwachungChartSlice.ts b/redux/slices/kabelueberwachungChartSlice.ts
index 87b6a45..38727d3 100644
--- a/redux/slices/kabelueberwachungChartSlice.ts
+++ b/redux/slices/kabelueberwachungChartSlice.ts
@@ -20,6 +20,7 @@ interface KabelueberwachungChartState {
   tdrChartData: TDRData[];
   isFullScreen: boolean;
   unit: "kOhm" | "MOhm";
+  isLoading: boolean;
 }
 
 // Dynamische Initialisierung der Datumswerte
@@ -29,6 +30,7 @@ thirtyDaysAgo.setDate(today.getDate() - 30);
 
 // Initialer Zustand des Slices
 const initialState: KabelueberwachungChartState = {
+  isLoading: false,
   loopMeasurementCurveChartData: [],
   vonDatum: thirtyDaysAgo.toISOString().split("T")[0], // 30 Tage zurück
   bisDatum: today.toISOString().split("T")[0], // Heute
@@ -83,6 +85,9 @@ const kabelueberwachungChartSlice = createSlice({
     setFullScreen: (state, action: PayloadAction<boolean>) => {
       state.isFullScreen = action.payload;
     },
+    setLoading: (state, action: PayloadAction<boolean>) => {
+      state.isLoading = action.payload;
+    },
   },
 });
 
@@ -97,6 +102,7 @@ export const {
   setChartOpen,
   setTDRChartData,
   setFullScreen,
+  setLoading,
 } = kabelueberwachungChartSlice.actions;
 
 // Export des Reducers