Mastervolt Mass Sine Ultra 24/4000 Inverter - 26024000

2.875,09 VAT inc.

  • Output voltage (± 5 %): 230 V - 50 Hz (± 0.01 Hz)
  • Output waveform: real sinewave
  • Nominal battery voltage: 24 V
  • Recommended battery capacity: > 350 Ah
  • Continuous power at 40 °C / 104 °F, cos. of fi 1: 4000 W
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Product information

Mastervolt Mass Sine Ultra 24/4000 Inverter - 26024000

Even in the most extreme conditions, the Mastervolt Mass Sine Ultra 24/4000 inverter works perfectly to provide you with uninterrupted performance whenever needed. With a mean time between failures (MTBF) of 180,000 hours at full capacity and 24/7 uninterrupted use, Mass products are the ideal solution for the toughest applications and for any situation that requires a reliable power supply.

With an AC capacity of 4000 W, the Mass Sine Ultra can meet even the most demanding power requirements. Since it is possible to connect ten units in parallel or 3×3 in a three-phase configuration, the Mass Sine Ultra can supply a capacity of up to 40 kW.

The Mastervolt Mass Sine Ultra 24/4000 inverter provides full power at 40 °C and performs perfectly even under extreme conditions, such as those typically found in engine rooms or technical spaces. Like all products in the Mass series, the inverter features a compact and robust housing. This inverter is the best choice if you are looking for a stand-alone AC capacity of more than 3 kW.

System design with optimum flexibility

Choosing a Mastervolt Mass Sine Ultra 24/4000 stand-alone inverter gives you total freedom in your choice of battery charging equipment. You can freely adapt the amperage of these chargers, depending on the desired charging time. In case you want to use renewable energy sources, it may be convenient to choose a MPPT solar charge controller.

High efficiency

High efficiency and automatic economy mode are designed to enable the correct operation of digital clocks and a longer autonomy of their batteries. The application of high-frequency technology prevents annoying humming noises, while the high peak capacity ensures the smooth supply of high input current needed, for example, for power tools.

State-of-the-art technology

Highly efficient power electronics save weight and volume, with minimal sound level and very low ripple voltage, thus extending the life of your batteries. At the same time, digital technology avoids nuisances such as flickering lights and voltage fluctuations.

Get the most out of your batteries

The Mastervolt Mass Sine Ultra 24/4000 covers a dynamic range of battery voltages. Depending on the battery type and current, this function ensures that the inverter can supply AC power for a longer time without overcharging the batteries.


  • For demanding requirements in professional and semi-professional applications.
  • Full capacity at temperatures up to 40 ˚C.
  • The pure sine wave output helps to avoid malfunctions and damage to sensitive connected equipment.
  • High peak capacity for uninterrupted connection of large and complex loads.
  • Dynamic battery-dependent input current for optimal use of each battery type.
  • Parallel configuration of up to 10 devices for a capacity of up to 40 kW.
  • Three-phase configuration for up to 36 kW capacity.
  • Integrated MasterBus.
  • Suitable for mobile applications.
  • Professional connections.
  • Automatic, reliable and safe operation.
  • Optional: Masterswitch/Systemswitch for automatic selection of the desired power source

Data sheet Mastervolt Mass Sine Ultra 24/4000 Inverter - 26024000

See Mastervolt Mass Sine Ultra 24/4000 inverter data sheet - 26024000

Additional information

Weight15 kg
Dimensions50 × 35 × 20 cm

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