r Combi Chargers/ Inverters - Mastervolt MASS Combi Ultra 12v/3000w/150A Invterter/Charger
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Mastervolt MASS Combi Ultra 12v/3000w/150A Invterter/Charger

Manufacturers Part Number: 38013000

(£2,539.43 Inc VAT)

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Mastervolt MASS Combi Ultra 12v/3000w/150A Invterter/Charger

The new standard in power systems

Mastervolt, the Dutch leader in off-grid electrical systems, has unveiled an innovative new Mass Combi Ultra series. This compact inverter/charger combination with a smart transfer system, highly efficient MPPT solar charge regulator (available from October 2014 onwards) and separate second charger is all enclosed within a robust quality unit that is easy to install.

Following the ever-increasing demand for higher power and greater comfort, systems are becoming more and more complex. In response the Mastervolt team went back to the drawing board to redesign what was already the best product in the market. Our goal was to fulfil the requirements of today and tomorrow, which the Mass Combi Ultra achieves by integrating all the common needs of an electrical system. This simplifies installation, lowers overall costs and significantly increases performance.

The latest technologies

The Mass Combi Ultra includes revolutionary technology developed by Mastervolt’s own engineering team. Notable achievements include combining the latest V6 high frequency converter technology with ultra-fast and powerful DSP controls. This offers major user benefits such as a low ‘no load’ current, preventing your batteries from draining, and extreme peak power capability which allows high current loads such as air conditioning to start-up easily without power dips or light flickering. Another benefit is the high efficiency, which makes the Mass Combi Ultra the most complete product in its class.

Mass Combi Ultra in a Mastervolt system

The new Mass Combi Ultra fits perfectly into Mastervolt systems. All components are easily connected via MasterBus and installation can be controlled and monitored intuitively, even with just one MasterView Easy touchscreen. This will provide and manage all information about the Combi, the batteries and other sources such as the generator, grid or solar panels. The system is also suitable for Digital Switching, Mastervolt’s decentralised digital switching system.

General specifications 

  Display/read-out LED display
  Dimensions, hxwxd

472 x 318 x 178 mm

18.6 x 12.5 x 7.0 inch


15.3 kg 33.7 lb

  Approvals CE, ABYC
Technical specifications 
 Charge characteristic IUoU, automatic 3-step+ for AGM/gel/Lithium Ion/wet/traction/spiral/NiCad
  Ground relay adjustable
  Temperature range (ambient temp.)

-25 °C to 60 °C, derating > 40 °C

-13 to 140 °F

  Protection degree IP23 (vertical mounting)
  Protections over temperature, AC over load, AC short circuit, DC short circuit, high battery, low battery
  MasterBus compatible yes
Specifications sine wave inverter  
  Nom. battery voltage 12 V (10-16 V)
  Output voltage (± 2%) 230 V - 50/60 Hz (± 0.005%) selectable
  Output waveform true sine wave, Thd < 1% under standard conditions
  Cont. power at 40 °C, cos phi 1 3000 W
  Surge capability 6000 W - 26 A
  Parallel configuration yes, up to 10 standard
  3-Phase configuration yes
  Max. efficiency ≥ 90 %
  Max. ripple on DC (battery) 10% RMS at full load
  No-load power consumption (ON/inverter OFF/OFF)

16 W / 4 W / 0 W

Specifications battery charger 
  Nom. input voltage 180-275 V
  Nom. battery voltage 12 V
  Charge method secondary charger IUoU, automatic 3-step+ or constant voltage
  Secondary charger output voltage 12 V
  Secondary charger output current 10 A
  Temperature sensor battery yes, included
  Max. charge current at 40 °C 150 A at 14,25V

Specifications transfer system 
  Generator input (switched) 50 A
  Mains input (switched) 30 A
  AC output 1 67 A
  AC output 2 (switched) 50 A
  Transfer time seamless (UPS, < 1 ms)
  Transfer voltage range (adjustable) 184-275 V
  Transfer frequency range (adjustable) 35-65 Hz
  Power Sharing / Generator / Mains Support yes

Solar input (DC) specifications 
  Input voltage range 15-50 V
  Max. PV power 500 Wp
  Max. input current 19 A
  Max. charge current 30 A at 14,25V
  MPP voltage range at nom. power 25-50 V

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This product was added to our catalog on Tuesday 21 April, 2015.
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