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Description
The Mastervolt AC Master 12/2000 Inverter turns 12V battery power into a grid-quality 120V AC supply, ideal for off-grid adventures, boats, vehicles, or small-scale installations. It delivers reliable 2000W continuous power with solid surge capability to support demanding electronics, chargers, and A/V gear.
- Output voltage / frequency: 115/120 V — 50/60 Hz selectable
- Output waveform: True sine
- Nominal battery voltage: 12 V
- Recommended battery capacity: ≥ 200 Ah
- Continuous power: 2000 W at 25 °C / 77 °F (cos φ 1); 2000 W at 40 °C / 104 °F (cos φ 1)
- Peak loads: < 2300 W (1 min); < 3500 W (1 s)
- AC connection: North American socket with GFCI
- Galvanic isolation: Yes
- Efficiency: 92%
- Display / read-out: LED indication for battery voltage, load level, and status
- Alarms: Potential-free alarm contact
- Dimensions: 9.8 x 17.4 x 3.3 inch
- Weight: 11.5 lb
- Technology: High frequency, input & output fully isolated
- Low / high battery voltage cutoffs: Low off at 10.5 V; Low on at 12.5 V; High off at 16.5 V; High on at 14.5 V
- Input current (nominal load): 200 A
- No-load power consumption: < 1.8 A (ON mode); < 0.1 A (energy-saving mode)
- Automatic power saving: Reduces consumption when loads are light to extend runtime
- Remote control: Optional remote control for instant switch-off of the inverter and all connected equipment (not available for 300W and 500W models)
- MasterBus compatibility: Yes
- Protection features: Over-temperature, overload, short circuit, high/low battery voltage, reverse polarity (fuse)
- Protection rating: IP21; horizontal wall mounting
- Cooling: Quiet cooling with a temperature- and load-controlled fan
This inverter provides a reliable, grid-quality 120 V supply wherever you are, with true sine output to protect sensitive devices and electronics. Its compact form, efficient operation, and comprehensive protections help ensure safe use in vehicles, boats, or small home installations. The optional remote control and MasterBus compatibility simplify integration into broader power systems, while automatic power saving helps maximize runtime on lighter loads.
| General specifications | |
| Output voltage | 115/120 V — 50/60 Hz (selectable) |
| Output waveform | true sine |
| Nominal battery voltage | 12v |
| Recommended battery capacity | ≥ 200 Ah |
| Continuous power at 25 °C / 77 °F, cos phi 1 | 2000 W |
| Continuous power at 40 °C / 104 °F, cos phi 1 | 2000 W |
| Peak load (1 min.) | < 2300 W |
| Peak load (1 s) | < 3500 W |
| AC connection | North American socket with GFCI |
| Galvanic isolation | Yes |
| Efficiency | 92 % |
| Display/read-out | LED indication: battery voltage, load level, status |
| Alarms | potential free alarm contact |
| Dimensions, hxwxd | 9.8 x 17.4 x 3.3 inch |
| Weight | 11.5 lb |
| Technical specifications | |
| Technology | high frequency, input & output fully isolated |
| Low battery voltage, switches off at | 10,5 V |
| Low battery voltage, switches on at | 12,5 V |
| High battery voltage, switches off at | 16,5 V |
| High battery voltage, switches on at | 14,5 V |
| Input current (nominal load) | 200 A |
| No-load power consumption (ON mode) | < 1.8 A |
| No-load power consumption (energy saving mode) | < 0.1 A |
| Minimal DC fuse (slow blow) | 250 A |
| Minimal cable size | 70 mm2 |
| Harmonic distortion typical | < 3 % |
| Cos phi | all power factors allowed |
| Temperature range (ambient temp.) | -4 °F to 140 °F |
| Cooling | temperature and load controlled fan |
| Protection degree | IP21, horizontal wall mounting |
| Protections | over-temperature, overload, short circuit, high/low voltage, reverse polarity (fuse) |
| MasterBus compatible | yes, using a MasterBus AC Master Interface |
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