Mastervolt redefines dependable power systems

Mastervolt Mass Combi Ultra Mastervolt Mass Combi Ultra

Mastervolt, the Netherlands-based leader in off-grid electrical systems (stand R7), announces the arrival of the new Mass Combi Ultra series: a compact inverter/charger combination with a smart transfer system, highly efficient MPPT (Maximum Power Point Tracking) solar charge regulator and separated second charger.

Ideally suited for year-round commercial applications, this is all enclosed in a rugged quality housing that is easy to install.

With the Mass Combi Ultra, Mastervolt took the approach to integrate all common needs of an electrical system in order to simplify installations and lower overall cost whilst also increasing performance. As time is money, dependability is also a top priority.

The Mass Combi Ultra holds separated AC inputs for the generator and shore power and two separated AC outputs. The generator input can handle almost 12kW (50A) and the shore input up to 7kW (30A), which, due to the ultra-fast controls, transfer seamlessly to and from the inverter. This ensures permanent power on the first AC output without accidentally switching off sensitive devices. The second AC output is for non-preferential loads like a water heater that can be switched off automatically at any desired setting, always to the benefit of the critical loads.

On the DC side, the Mass Combi Ultra has solar input and the independent second output. The independent second output can charge batteries with the same voltage as the service battery, but also a 12V starter battery when the service set is 24V; a handy function that simplifies installation and reduces costs for the end user.

The Mass Combi Ultra 24/3500-100 can provide 3,500W inverter power continuously at 40oC, and 200% peak power. The Mass Combi Ultra comes with the most powerful battery charger in its class with an unmatched 100A at full charge voltage. The pure DC voltage ensures interference-free operation of DC appliances and extends the battery life.


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