Power your off-grid setup with a compact, reliable inverter that turns 24V battery power into clean 120V AC. The Mastervolt AC Master 24/2000 delivers 2000 W continuous output with true sine wave quality, ideal for caravans, boats, and remote workshops that demand steady, peak-ready power.
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Output voltage and frequency: 100/110/115/120 V — 50/60 Hz selectable
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Output waveform: True sine
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Nominal battery voltage: 24V
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Recommended battery capacity: ≥ 110 Ah
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Continuous power: 2000 W (cos φ = 1) at 25 °C (77 °F) and 40 °C (104 °F)
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Peak loads: < 2300 W for 1 minute; < 3500 W for 1 second
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AC connection: North American socket with GFCI
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Galvanic isolation: Yes
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Efficiency: 93%
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Display/read-out: LED indicators show battery voltage, load level, and status
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Alarms: Potential-free alarm contact
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Dimensions: 9.8 x 17.4 x 3.3 inches
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Weight: 11.5 lb
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Technology: High-frequency, input & output fully isolated
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Low/High battery protection: Off at 21 V / On at 25 V; Off at 33 V / On at 29 V
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Input current: 100 A
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No-load power consumption: < 1.0 A (ON mode)
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Cooling and durability: Quiet operation with a variable-speed cooling fan; IP21 protection; horizontal wall mounting for versatile installation
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Mounting versatility: Suitable for boats, RVs, cabins, or remote workshops
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Connectivity and control: MasterBus compatible for integrated monitoring and control; remote control option available (not for 300/500 W models)
This inverter provides clean, reliable power for sensitive electronics and demanding loads, thanks to true sine-wave output and comprehensive protections against over-temperature, overload, and battery voltage issues. With a combination of 93% efficiency and automatic idle-power saving, it minimizes battery drain during idle periods. The compact, installer-friendly design, plus MasterBus compatibility and optional remote control, makes integration into caravans, marine systems, or off-grid workshops straightforward. Its versatile voltage options and robust peak capability ensure you can run both essential devices and brief high-demand loads without interruption.
| General specifications |
| Output voltage |
100/110/115/120 V — 50/60 Hz (selectable) |
| Output waveform |
true sine |
| Nominal battery voltage |
24V |
| Recommended battery capacity |
≥ 110 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 |
93 % |
| 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 |
21v |
| Low battery voltage, switches on at |
25v |
| High battery voltage, switches off at |
33v |
| High battery voltage, switches on at |
29v |
| Input current (nominal load) |
100A |
| No-load power consumption (ON mode) |
< 1.0 A |
| No-load power consumption (energy saving mode) |
< 0.05 A |
| Minimal DC fuse (slow blow) |
125 A |
| Minimal cable size |
35 mm2
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| Harmonic distortion typical |
< 5 % |
| 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 |
