Fixes: #5564 - Raise validation error if a PowerPortTemplate's draw exceeds maximum

docs/release-notes/version-2.10.md

@@ -17,6 +17,7 @@
 * [#5557](https://github.com/netbox-community/netbox/issues/5557) - Fix VRF route target assignment via REST API
 * [#5558](https://github.com/netbox-community/netbox/issues/5558) - Fix regex validation support for custom URL fields
 * [#5563](https://github.com/netbox-community/netbox/issues/5563) - Fix power feed cable trace link
+* [#5564](https://github.com/netbox-community/netbox/issues/5564) - Raise validation error if a power port template's `allocated_draw` exceeds its `maximum_draw`
 
 ---
 

netbox/dcim/models/device_component_templates.py

@@ -164,6 +164,15 @@ class PowerPortTemplate(ComponentTemplateModel):
             allocated_draw=self.allocated_draw
         )
 
+    def clean(self):
+        super().clean()
+
+        if self.maximum_draw is not None and self.allocated_draw is not None:
+            if self.allocated_draw > self.maximum_draw:
+                raise ValidationError({
+                    'allocated_draw': f"Allocated draw cannot exceed the maximum draw ({self.maximum_draw}W)."
+                })
+
 
 class PowerOutletTemplate(ComponentTemplateModel):
     """