Mastervolt
Mastervolt Magic 12/12-20
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Magic 12/12-20 is a galvanically isolated DC-DC converter and 3-step battery charger that delivers a stable, regulated 12 V output from a 12 V supply at up to 20 A (300 W). It can regulate the voltage both up and down for optimal stabilisation, even when battery voltage fluctuates under heavy loads, while galvanic isolation between input and output prevents interference to sensitive communication equipment.
Advanced high-frequency technology with modern microprocessors keeps power losses low, and an MTBF of 280,000 hours suits demanding professional, semi-professional and recreational use. Output voltage is adjustable and programmable via the PC-Link and MasterAdjust software, and an energy-saving dimmer function regulates lighting without excessive heat. Multiple units can be paralleled for over 100 A.
Connected to a 12 V service battery, it doubles as an advanced 3-step charger for Gel, AGM, flooded or Lithium Ion batteries.
PRODUCT DETAILS
- Galvanically isolated 12 V to 12 V conversion, 20 A / 300 W
- Doubles as an advanced 3-step battery charger (16 A)
- Adjustable and programmable output voltage via MasterAdjust
- Energy-saving dimmer function for lighting
- Isolation suppresses interference to sensitive equipment
- Parallel switchable for outputs over 100 A
- Maintenance-free vario fan cooling; MTBF 280,000 hours
- MasterBus compatible via a MasterBus Serial Interface
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General
| Nominal input voltage | 12 V |
| Input voltage range | 11-16 V |
| Input voltage range (3-step charge mode) | 13-16 V |
| Nominal output voltage (adjustable with MasterAdjust) | 13.6 V |
| Output voltage | 10-15 V |
| Output voltage dimmer (adjustable with MasterAdjust) | 4-13 V |
| Max. output current | 20 A |
| Output charge current (3-step mode) | 16 A |
| Max. output power | 300 W |
| Nominal output power | 300 W |
| Output voltage stabilisation | 2 % at extremes of temperatures, load and input |
| Output voltage ripple (peak-peak) | max. 1 % |
| Galvanic isolation | Yes |
| Efficiency | > 90 % (at nom. input voltage, full load); peak 92 % |
| Parallel configuration | Yes |
| Dimmer function | Yes, by external momentary switch via fast-on connection (activated by DIP switch) |
| Alarm contact | Yes, through MasterBus |
Technical
| Charge characteristic | 3-step |
| Battery types | flooded, Gel, AGM, spiral, Lithium Ion, traction, user defined |
| No-load consumption | < 2 mA |
| DC consumption | < 115 mA |
| Connections | screw terminals (max. wire size 16 mm2 / AWG5) |
| Temperature range (ambient) | -25 °C to 60 °C; derating > 40 °C |
| Cooling | maintenance-free vario fans |
| Protection degree | IP21 |
| Protections | against overload and over temperature |
| MasterBus compatible | Yes, in combination with a MasterBus Serial Interface |
Physical
| Dimensions (h x w x d) | 227 x 154 x 81 mm |
| Weight | 1.8 kg |
| Compliance | CE |
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