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Mastervolt Combimaster Inverter/Charger 12/3000-100 230V

A quality combination battery/inverter unit from Mastervolt with key features not found on other brands

Key Features

  • Most compact and lightweight Combi in its class.
  • Reliable, hum-free and longer operation from your batteries.
  • Starts even the heaviest and most sensitive loads.
  • Pure sine technology prevents malfunctions and damage to equipment.
  • Intelligent 3-step+ battery charger for faster and safer charging.
  • Automatic switching between mains and inverter mode.
  • Power Assist prevents blown mains fuses.
  • Generator compatible.
  • Integrated CZone, MasterBus and NMEA 2000 communication.
  • Quick installation with heavy duty connections.


Nominal DC voltage: 12V (10.2-6V)
Output voltage: 230V
Output frequency: 50/60 Hz (configurable)
Output waveform: TRUE Sine
Continuous power at 40°C/104°F, cos phi 1: 3000VA / 2600W
Peak power (30 sec): 4500VA / 3900W
Surge power (5 sec): 6000VA / 5200W
Max. efficiency: 93%
Battery no-load power consumption: 30W (on mode) / < 1mA (off mode)
Energy saving mode consumption: 10W
Synchronise with mains: Yes
Input voltage range: 170-280V
Max. input current: 10A (adjustable)
Max. charge current at 40°C/104°F: 100A at 14.25V (configurable)
Battery temperature sensor: Yes, included
Battery voltage sense: Automatic compensation
AC input: 25A (switched)
AC output: 38A
AC input fuse: Yes
Transfer speed: 10ms
Transfer voltage range: Wide: 90-280V / Narrow: 170-280V
Transfer frequency range: 40-65 Hz
Display/read-out: LED display
Dimensions (H x W x D): 448 x 284 x 155mm (17.6 x 11.2 x 6.1 inch)
Weight: 9.3kg (20.5 lb)
Approvals: CE, E-mark, AZ/NZS
Charge characteristic: IUoUo, automatic / 3-step+ for flooded, Gel/AGM and MLI, configurable
Recommended battery capacity*: 300-800 Ah
Ground relay: Yes, configurable by means of mechanical jumper
Temperature range (ambient temp): -25°C to 60°C, derating > 40°C (-13 to 140°F)
Cooling: Vario fan
Protection degree: IP23 (vertical mounting)
Safety class: IEC protection class I
Humidity protetion: Conformal coating, max. 95% relative humidity, non condensing
Protections: Over-temperature, overload, short circuit, high/low battery voltage
Power Assist: Yes, supports AC input with power from the battery
Power Sharing: Yes, allows you to select AC Input fuse setting
MasterBus compatible: Yes
Czone / NMEA 2000 compatible: Yes



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