etsysPseModulePowerClassBudget 1.3.6.1.4.1.5624.1.2.50.1.4.1.1.2

In class mode, this is sum of all ports power according to their class upper bound, except classes 0 & 4 for which the actual power consumption is accounted. In realtime mode, this is sum of power consumed by all ports, measured in real-time.