Mastervolt Mass 24/25-2
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€1.089,30 EUR
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MPN
: 40020256
Mastervolt Mass 24/25-2 – Professional 24V Battery Charger
The Mastervolt Mass 24/25-2 battery charger is designed for professional, semi-professional and recreational applications requiring maximum reliability even in extreme environmental conditions. Thanks to its robust construction and advanced technologies, it ensures continuous and safe power for large battery banks.
Key Strengths
- Designed to operate in harsh environmental conditions.
- Lightweight anodized aluminium and stainless steel construction.
- Internal protection against moisture and condensation for longer life.
- Immunity to electromagnetic effects from other equipment.
- Compatible with any battery type, including fully discharged batteries.
- Supplied with battery temperature sensor.
- Constant power up to 40 °C.
- Supports battery banks from 80 to over 2000 Ah.
- Stable output even without batteries connected.
- Current Control function to prevent fuse failure in the event of limited power.
- Ability to connect multiple units in parallel.
- CE, ABYC A-31 and IEC60945 certifications.
- GMDSS versions and panels with RRR and RMRS certifications available.
GMDSS Compatibility
All Mass series battery chargers, including the Mass 24/25-2, are compatible with the GMDSS (Global Maritime Distress and Safety System), in compliance with SOLAS regulations. A dedicated remote control panel with front display is available.
Lithium Battery Charging
The Mastervolt Mass 24/25-2 supports charging of Lithium-Ion batteries, communicating directly via MasterBus or adapting the required charging voltages.
MasterBus Integration
Easily connectable to the MasterBus network via a single cable, the battery charger allows centralized, local or remote monitoring and configuration.
Robust Design
Built to withstand strong vibrations and demanding conditions, the Mastervolt Mass 24/25-2 battery charger is the ideal choice for those requiring a reliable and durable device.
General Specifications
| Nominal output voltage | 24 V |
| Total charge current | 25 A at 28.5 V |
| Number of battery outputs | 2 |
| 2nd output charge current | 3 A |
| Supported battery capacity | 50 – 250 Ah |
| Nominal input voltage | 230 V (180-265 V), 50/60 Hz |
| Power supply function | Yes (even without battery) |
| Galvanic isolation | Yes |
| Display | LED |
| Dimensions (h×w×d) | 325 x 220 x 111 mm |
| Weight | 3.3 kg |
| Certifications | CE, ABYC A-31, RRR, RMRS |
Technical Specifications
| Charge curve | IUoUo, automatic 3-step+ (Gel, AGM, Flooded, Lithium) |
| Bulk voltage | 28.5 V |
| Absorption voltage | 28.5 V (4 hours) |
| Float voltage (Flooded) | 26.5 V |
| Float voltage (Gel/AGM) | 27.6 V |
| Temperature sensor | Yes (included) |
| DC voltage compensation | Yes |
| DC-side self-consumption | < 1 mA |
| Full-load consumption | 880 W |
| Current Control function | Yes (via MasterBus) |
| Power factor | > 0.95 |
| Operating temperature | -25 °C to +80 °C (derating > 40 °C) |
| Cooling | Variable-speed fan |
| Protection | Overtemperature, overload, short-circuit, high/low voltage |
| Protection rating | IP23 |
| MasterBus compatibility | Yes |
