| Description | AC Master 12/300 | AC Master 12/500 | AC Master 12/700 | AC Master 12/1000 | AC Master 12/1500 | AC Master 12/2500 |
| General Specifications | | | | | | |
| Output voltage | 230V – 50 Hz (± 0,1.%) | 230V – 50 Hz (± 0,1.%) | 200/220/230/240V 50/60 Hz (selectable) | 200/220/230/240V 50/60 Hz (selectable) | 200/220/230/240V 50/60 Hz (selectable) | 230/240V 50/60 Hz (selectable) |
| Output waveform | true sine | true sine | true sine | true sine | true sine | true sine |
| Nominal battery voltage | 12V | 12V | 12V | 12V | 12V | 12V |
| Recommended battery capacity | >60 Ah | >100 Ah | >100 Ah | >130 Ah | >160 Ah | >270 Ah |
| Continuous power at 25°C, cos phi 1 | 300 W | 500 W | 700 W | 1000 W | 1500 W | 2500 W |
| Continuous power at 40°C, cos phi 1 | 250 W | 400 W | 700 W | 1000 W | 1500 W | 2500 W |
| Peak load | 600 W | 800 W | <810 W (1 min) <1230 W (1 sec.) | <1150 W (1 min) <1750 W (1 sec.) | <1730 W (1 min) <2650 W (1 sec.) | <3000 W (1 min) <4000 W (1 sec.) |
| Efficiency | 0.9 | 0.9 | 0.91 | 0.92 | 0.93 | 0.88 |
| Parallel configuration | N/A | N/A | N/A | N/A | N/A | yes, up to 15 units |
| 3 Phase configuration | N/A | N/A | N/A | N/A | N/A | yes, 3 units |
| Display/read out | LED Display | LED Display | LED Indication: battery voltage, status | LED Indication: battery voltage, status | LED Indication: battery voltage, status | LED Indication: battery voltage, status |
| Dimensions, H x W x D mm | 210 x 130 x 60 | 210 x 130 x 60 | 200 x 330 x 83 | 200 x 372 x 83 mm | 248 x 421 x 83 mm | 283 x 436 x 128 mm |
| Weight kg | 1.16 | 1.22 | 2.7 | 3.3 | 4.2 | 8 |
| Alarms | 4 alarm modes | 4 alarm modes | potential free alarm contact | potential free alarm contact | potential free alarm contact | potential free alarm contact |
| Approvals | CE, E-mark, ABYC A-31 | CE, E-mark, ABYC A-31 | CE, E-mark, RCM | CE, E-mark, RCM | CE, E-mark, RCM | CE, E-mark, RCM |
| Technical Specifications | | | | | | |
| Technology | High frequency, input & output fully isolated | ✓ | ✓ | ✓ | ✓ | ✓ |
| Input current (nominal load) | 22.5A | 37.5A | 70A | 100A | 150A | 250A |
| No load power consumption (energy saving mode) | 0.33A – 4 W | 0.33A – 4 W | <0.1A | <0.1A | <0.1A | <1.1A |
| Minimal DC fuse (slow blow)* | 2x 40A | 2x 40A | 100A | 125A | 175A | 300A |
| Minimal cable size | 1.5 meter DC cable delivered as standard | 1.5 meter DC cable delivered as standard | 25 mm2 | 35 mm2 | 50 mm2 | 95 mm2 |
| Harmonic distortion typical | < 6% | < 6% | <5% | <5% | <3% | <3% |
| Cos Phi | all power factors allowed | ✓ | ✓ | ✓ | ✓ | ✓ |
| Transfer System | N/A | N/A | N/A | N/A | N/A | Integrated, automatic (intertver to grid: 8~10 ms, grid to inverter: 16~50 ms). Not for parallel & 3-phase operation (external transfer system possible |
| Temperature range (ambient temp.) | -20°C–40°C, >40°C derating | ✓ | ✓ | ✓ | ✓ | ✓ |
| Protection Degree | IP23, horizontal wall mounting | IP23, horizontal wall mounting | IP21, horizontal wall mounting | IP21, horizontal wall mounting | IP21, horizontal wall mounting | IP21, horizontal wall mounting |
| Protections | over temperature, over load, short circuit, high/low battery voltage | over temperature, over load, short circuit, high/low battery voltage | over temperature, over load, short circuit, high/low voltage, reverse polarity (fuse) | | | |
| Cooling | natural/forced | natural/forced | temperature and load controlled fan | temperature and load controlled fan | temperature and load controlled fan | temperature and load controlled fan |
| MasterBus Compatible | no | no | yes, using a MasterBus AC Master Interface | yes, using a MasterBus AC Master Interface | yes, using a MasterBus AC Master Interface | yes, using a MasterBus AC Master Interface |
| Options | | | | | | |
| Inverter Control Panel (ICP) 110505 | N/A | N/A | option | option | option | option |