That would be the Intellitec or similar EMS system, not the Progressive EMS which is the surge protector. Don't you just love it when different companies use the same name for different things?
The EMS system in your coach controls loads like electrical water heater and heat pumps when you're on 30A or 20A service so you don't blow breakers while using your appliances.
The 2000W inverter came standard on your coach.
BTW the brochure for your coach is
here, in 2010 Newmar did not do a model change, in part to survive the recession.