diff --git a/aioshelly/const.py b/aioshelly/const.py
index d7aa8298..efcf40d7 100644
--- a/aioshelly/const.py
+++ b/aioshelly/const.py
@@ -113,6 +113,7 @@
 MODEL_1PM_GEN3 = "S3SW-001P16EU"
 MODEL_1PM_MINI_G3 = "S3SW-001P8EU"
 MODEL_2PM_G3 = "S3SW-002P16EU"
+MODEL_3EM_63_GEN3 = "S3EM-003CXCEU63"
 MODEL_BLU_GATEWAY_GEN3 = "S3GW-1DBT001"
 MODEL_DALI_DIMMER_GEN3 = "S3DM-0A1WW"
 MODEL_DIMMER_10V_GEN3 = "S3DM-0010WW"
@@ -862,6 +863,13 @@ class ShellyDevice:
         gen=GEN3,
         supported=True,
     ),
+    MODEL_3EM_63_GEN3: ShellyDevice(
+        model="S3EM-003CXCEU63",
+        name="Shelly 3EM-63 Gen3",
+        min_fw_date=GEN3_MIN_FIRMWARE_DATE,
+        gen=GEN3,
+        supported=True,
+    ),
     MODEL_DALI_DIMMER_GEN3: ShellyDevice(
         model="S3DM-0A1WW",
         name="Shelly DALI Dimmer Gen3",