diff --git a/octoprint_psucontrol/__init__.py b/octoprint_psucontrol/__init__.py
index 7c28c7f..ae99a27 100644
--- a/octoprint_psucontrol/__init__.py
+++ b/octoprint_psucontrol/__init__.py
@@ -44,6 +44,7 @@ def __init__(self):
         self._idleIgnoreCommandsArray = []
         self.idleTimeoutWaitTemp = 0
         self.enableSensing = False
+        self.disconnectOnPowerOff = False
         self.senseGPIOPin = 0
         self.isPSUOn = False
         self._noSensing_isPSUOn = False
@@ -84,6 +85,9 @@ def on_settings_initialized(self):
         self.enableSensing = self._settings.get_boolean(["enableSensing"])
         self._logger.debug("enableSensing: %s" % self.enableSensing)
 
+        self.disconnectOnPowerOff = self._settings.get_boolean(["disconnectOnPowerOff"])
+        self._logger.debug("disconnectOnPowerOff: %s" % self.disconnectOnPowerOff)
+
         self.senseGPIOPin = self._settings.get_int(["senseGPIOPin"])
         self._logger.debug("senseGPIOPin: %s" % self.senseGPIOPin)
 
@@ -350,6 +354,9 @@ def turn_psu_off(self):
                 except (RuntimeError, ValueError) as e:
                     self._logger.error(e)
 
+            if self.disconnectOnPowerOff:
+                self._printer.disconnect()
+                
             if not self.enableSensing:
                 self._noSensing_isPSUOn = False
                         
@@ -383,6 +390,7 @@ def get_settings_defaults(self):
             offSysCommand = '',
             postOnDelay = 0.0,
             enableSensing = False,
+            disconnectOnPowerOff = False,
             senseGPIOPin = 0,
             autoOn = False,
             autoOnTriggerGCodeCommands = "G0,G1,G2,G3,G10,G11,G28,G29,G32,M104,M109,M140,M190",
@@ -412,6 +420,7 @@ def on_settings_save(self, data):
         self.offSysCommand = self._settings.get(["offSysCommand"])
         self.postOnDelay = self._settings.get_float(["postOnDelay"])
         self.enableSensing = self._settings.get_boolean(["enableSensing"])
+        self.disconnectOnPowerOff = self._settings.get_boolean(["disconnectOnPowerOff"])
         self.senseGPIOPin = self._settings.get_int(["senseGPIOPin"])
         self.autoOn = self._settings.get_boolean(["autoOn"])
         self.autoOnTriggerGCodeCommands = self._settings.get(["autoOnTriggerGCodeCommands"])
diff --git a/octoprint_psucontrol/templates/psucontrol_settings.jinja2 b/octoprint_psucontrol/templates/psucontrol_settings.jinja2
index 74075f7..b34ef7b 100644
--- a/octoprint_psucontrol/templates/psucontrol_settings.jinja2
+++ b/octoprint_psucontrol/templates/psucontrol_settings.jinja2
@@ -150,5 +150,11 @@
         </div>
     </div>
     <!-- /ko -->
-
+    <div class="control-group">
+        <div class="controls">
+            <label class="checkbox">
+            <input type="checkbox" data-bind="checked: settings.plugins.psucontrol.disconnectOnPowerOff"> Disconnect on power off.
+            </label>
+        </div>
+    </div>
 </form>