diff --git a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/PowermaxBindingConstants.java b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/PowermaxBindingConstants.java
index 8e9ea6664..9578a1812 100644
--- a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/PowermaxBindingConstants.java
+++ b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/PowermaxBindingConstants.java
@@ -59,6 +59,7 @@ public class PowermaxBindingConstants {
     public static final String LAST_TRIP = "last_trip";
     public static final String BYPASSED = "bypassed";
     public static final String ARMED = "armed";
+    public static final String LOCKED = "locked";
     public static final String LOW_BATTERY = "low_battery";
     public static final String PGM_STATUS = "pgm_status";
     public static final String X10_STATUS = "x10_status";
diff --git a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxBridgeHandler.java b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxBridgeHandler.java
index 2095cc8dd..978babc86 100644
--- a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxBridgeHandler.java
+++ b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxBridgeHandler.java
@@ -558,20 +558,10 @@ public class PowermaxBridgeHandler extends BaseBridgeHandler implements Powermax
                 PowermaxThingHandler handler = (PowermaxThingHandler) thing.getHandler();
                 if (handler != null) {
                     if (thing.getThingTypeUID().equals(THING_TYPE_ZONE)) {
-                        if ((channel == null) || channel.equals(TRIPPED)) {
-                            handler.updateChannelFromAlarmState(TRIPPED, state);
-                        }
-                        if ((channel == null) || channel.equals(LAST_TRIP)) {
-                            handler.updateChannelFromAlarmState(LAST_TRIP, state);
-                        }
-                        if ((channel == null) || channel.equals(BYPASSED)) {
-                            handler.updateChannelFromAlarmState(BYPASSED, state);
-                        }
-                        if ((channel == null) || channel.equals(ARMED)) {
-                            handler.updateChannelFromAlarmState(ARMED, state);
-                        }
-                        if ((channel == null) || channel.equals(LOW_BATTERY)) {
-                            handler.updateChannelFromAlarmState(LOW_BATTERY, state);
+                        for (String channelId : List.of(TRIPPED, LAST_TRIP, BYPASSED, ARMED, LOCKED, LOW_BATTERY)) {
+                            if ((channel == null) || channel.equals(channelId)) {
+                                handler.updateChannelFromAlarmState(channelId, state);
+                            }
                         }
                     } else if (thing.getThingTypeUID().equals(THING_TYPE_X10)) {
                         if ((channel == null) || channel.equals(X10_STATUS)) {
diff --git a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxThingHandler.java b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxThingHandler.java
index 3c4e32dfe..c2bc845a2 100644
--- a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxThingHandler.java
+++ b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/handler/PowermaxThingHandler.java
@@ -191,6 +191,8 @@ public class PowermaxThingHandler extends BaseThingHandler implements PowermaxPa
                 updateState(BYPASSED, state.isSensorBypassed(num) ? OnOffType.ON : OnOffType.OFF);
             } else if (channel.equals(ARMED) && (state.isSensorArmed(num) != null)) {
                 updateState(ARMED, state.isSensorArmed(num) ? OnOffType.ON : OnOffType.OFF);
+            } else if (channel.equals(LOCKED) && (state.isSensorArmed(num) != null)) {
+                updateState(LOCKED, state.isSensorArmed(num) ? OpenClosedType.CLOSED : OpenClosedType.OPEN);
             } else if (channel.equals(LOW_BATTERY) && (state.isSensorLowBattery(num) != null)) {
                 updateState(LOW_BATTERY, state.isSensorLowBattery(num) ? OnOffType.ON : OnOffType.OFF);
             }
diff --git a/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/channels.xml b/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/channels.xml
index d9d8cc193..9c42f44d1 100644
--- a/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/channels.xml
+++ b/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/channels.xml
@@ -109,11 +109,18 @@
 
 	<channel-type id="armed">
 		<item-type>Switch</item-type>
-		<label>Zone Armed</label>
+		<label>Zone Armed (Switch)</label>
 		<description>Whether or not the zone is armed</description>
 		<state readOnly="true"></state>
 	</channel-type>
 
+	<channel-type id="locked">
+		<item-type>Contact</item-type>
+		<label>Zone Armed (Contact)</label>
+		<description>Whether or not the zone is armed (CLOSED when armed)</description>
+		<state readOnly="true"></state>
+	</channel-type>
+
 	<channel-type id="pgm_status" advanced="true">
 		<item-type>Switch</item-type>
 		<label>PGM Status</label>
diff --git a/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/zone.xml b/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/zone.xml
index 0529631a0..e85a0c780 100644
--- a/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/zone.xml
+++ b/bundles/org.openhab.binding.powermax/src/main/resources/OH-INF/thing/zone.xml
@@ -17,6 +17,7 @@
 		<channels>
 			<channel id="tripped" typeId="tripped"/>
 			<channel id="armed" typeId="armed"/>
+			<channel id="locked" typeId="locked"/>
 			<channel id="last_trip" typeId="last_trip"/>
 			<channel id="low_battery" typeId="system.low-battery"/>
 			<channel id="bypassed" typeId="bypassed"/>