diff --git a/src/arcam/fmj/__init__.py b/src/arcam/fmj/__init__.py
index 199c895..85560c5 100644
--- a/src/arcam/fmj/__init__.py
+++ b/src/arcam/fmj/__init__.py
@@ -109,7 +109,7 @@ class NullPacket(ArcamException):
 
 APIVERSION_450_SERIES = {"AVR380", "AVR450", "AVR750"}
 APIVERSION_860_SERIES = {"AV860", "AVR850", "AVR550", "AVR390", "SR250"}
-APIVERSION_SA_SERIES = {"SA10", "SA20", "SA30"}
+APIVERSION_SA_SERIES = {"SA10", "SA20", "SA30", "SA750"}
 APIVERSION_HDA_SERIES = {
     "AVR5",
     "AVR10",
@@ -181,13 +181,13 @@ class NullPacket(ArcamException):
 APIVERSION_AMP_DIAGNOSTICS_SERIES.update(APIVERSION_SA_SERIES)
 APIVERSION_AMP_DIAGNOSTICS_SERIES.update(APIVERSION_PA_SERIES)
 
-APIVERSION_CLASS_G_SERIES = {"PA720", "PA240", "SA20", "SA30"}
+APIVERSION_CLASS_G_SERIES = {"PA720", "PA240", "SA20", "SA30", "SA750"}
 
-APIVERSION_PHONO_SERIES = {"SA30"}
+APIVERSION_PHONO_SERIES = {"SA30", "SA750"}
 
 APIVERSION_SIMPLE_IP_SERIES = {"PA720", "PA240", "SA10", "SA20"}
 
-APIVERSION_APP_SAFETY_SERIES = {"SA30"}
+APIVERSION_APP_SAFETY_SERIES = {"SA30", "SA750"}
 
 
 class ApiModel(enum.Enum):