diff --git a/homeassistant/components/zha/api.py b/homeassistant/components/zha/api.py
index 2b41deaab6b..053162010e8 100644
--- a/homeassistant/components/zha/api.py
+++ b/homeassistant/components/zha/api.py
@@ -61,7 +61,7 @@ from .core.const import (
 )
 from .core.group import GroupMember
 from .core.helpers import (
-    async_input_cluster_exists,
+    async_cluster_exists,
     async_is_bindable_target,
     convert_install_code,
     get_matched_clusters,
@@ -897,7 +897,7 @@ async def websocket_get_configuration(hass, connection, msg):
 
     data = {"schemas": {}, "data": {}}
     for section, schema in ZHA_CONFIG_SCHEMAS.items():
-        if section == ZHA_ALARM_OPTIONS and not async_input_cluster_exists(
+        if section == ZHA_ALARM_OPTIONS and not async_cluster_exists(
             hass, IasAce.cluster_id
         ):
             continue
diff --git a/homeassistant/components/zha/core/helpers.py b/homeassistant/components/zha/core/helpers.py
index 84088148a8e..34359c19420 100644
--- a/homeassistant/components/zha/core/helpers.py
+++ b/homeassistant/components/zha/core/helpers.py
@@ -139,14 +139,17 @@ def async_get_zha_config_value(config_entry, section, config_key, default):
     )
 
 
-def async_input_cluster_exists(hass, cluster_id):
+def async_cluster_exists(hass, cluster_id):
     """Determine if a device containing the specified in cluster is paired."""
     zha_gateway = hass.data[DATA_ZHA][DATA_ZHA_GATEWAY]
     zha_devices = zha_gateway.devices.values()
     for zha_device in zha_devices:
         clusters_by_endpoint = zha_device.async_get_clusters()
         for clusters in clusters_by_endpoint.values():
-            if cluster_id in clusters[CLUSTER_TYPE_IN]:
+            if (
+                cluster_id in clusters[CLUSTER_TYPE_IN]
+                or cluster_id in clusters[CLUSTER_TYPE_OUT]
+            ):
                 return True
     return False
 
diff --git a/homeassistant/components/zha/core/registries.py b/homeassistant/components/zha/core/registries.py
index 42f09d5323f..5fe7f806355 100644
--- a/homeassistant/components/zha/core/registries.py
+++ b/homeassistant/components/zha/core/registries.py
@@ -83,7 +83,8 @@ SINGLE_INPUT_CLUSTER_DEVICE_CLASS = {
 }
 
 SINGLE_OUTPUT_CLUSTER_DEVICE_CLASS = {
-    zcl.clusters.general.OnOff.cluster_id: BINARY_SENSOR
+    zcl.clusters.general.OnOff.cluster_id: BINARY_SENSOR,
+    zcl.clusters.security.IasAce.cluster_id: ALARM,
 }
 
 BINDABLE_CLUSTERS = SetRegistry()