Mastervolt Ac Master 12/2500
Mastervolt AC Master 12/2500 (230 V) – Pure Sine Inverter
The Mastervolt AC Master 12/2500 delivers safe and stable AC power for leisure and semi-professional applications. It converts 12 V battery power into a 230 V pure sine wave output, making it ideal for running sensitive electronics, household appliances, and tools – even under demanding conditions.
With high-frequency switching technology, vibrations and humming are eliminated, ensuring quiet and efficient operation. Its robust design, combined with parallel operation and three-phase configuration, makes it a versatile solution for boats, RVs, mobile offices, and off-grid systems.
Main Features
- Pure sine wave output – protects sensitive equipment.
- 2500 W continuous output with peaks up to 4000 W.
- Automatic transfer system – seamless switch between mains and inverter.
- Parallel operation up to 15 units and 3-phase setup supported.
- Energy-saving mode for extended battery runtime.
- Comprehensive protection against overload, short circuit, overheating, and voltage issues.
- MasterBus compatibility for advanced system integration.
- Certified safety – CE, E-mark, RCM.
Applications
Perfect for lighting, household appliances, electric cookers and tools. Suitable for RVs, boats, service vehicles, holiday homes, and off-grid systems where reliable AC power is needed.
General Specifications
| Output voltage | 230/240 V – 50/60 Hz (selectable) |
| Waveform | Pure sine wave |
| Battery voltage | 12 V |
| Continuous power | 2500 W at 25 °C and 40 °C |
| Peak power | 3000 W (3 s) / 4000 W (< 0.2 s) |
| Efficiency | 88 % |
| AC connection | Terminal block + EU Schuko / UK / NZ-AU sockets |
| Parallel operation | Yes, up to 15 units |
| Three-phase setup | Yes, 3 units |
| Display | LED indicators: battery voltage, AC load, status |
| Dimensions | 283 x 436 x 128 mm |
| Weight | 8 kg |
| Certifications | CE, E-mark, RCM |
Technical Specifications
| Low voltage shutdown | 10.5 V (restart at 12.5 V) |
| High voltage shutdown | 16.5 V (restart at 14.5 V) |
| Nominal current | 250 A |
| Power consumption (ON) | < 3.6 A |
| Power consumption (Eco) | < 1.1 A |
| Recommended fuse | 300 A (slow blow) |
| Cable cross-section | 95 mm² |
| THD (typical) | < 5 % |
| Transfer system | Integrated (inverter-to-mains 8–10 ms, mains-to-inverter 16–50 ms) |
| Operating temperature | -20 °C to +60 °C (derating above 40 °C) |
| Cooling | Temperature and load-controlled fan |
| Protections | Overheating, overload, short circuit, low/high battery voltage |
| MasterBus compatible | Yes, via MasterBus AC Master interface |
The Mastervolt AC Master 12/2500 is the ideal choice for those who need a powerful, safe, and versatile inverter, delivering reliable energy for leisure or semi-professional applications.