SKU:
EX 40040256
€ 1.481,04
1-2 weeks delivery time
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The Mastervolt Mass 48/25 is a professional 48V battery charger delivering 25 A at 57 V for battery banks from 100 to 500 Ah. Designed for demanding applications, it operates from a 230 V AC input and uses a fully automatic 3-step+ IUoUo charging curve compatible with all battery types including Lithium Ion. Housed in an IP23-rated anodized aluminum chassis (340 x 261 x 130 mm, 4.6 kg), it features galvanic isolation, MasterBus integration, and conforms to CE, ABYC A-31, RRR, and RMRS standards, making it suitable for marine and industrial environments.
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Mastervolt Mass 48/25 Battery Charger 48V 25A 230V – High-Voltage, Marine-Grade
The Mastervolt Mass 48/25 is a reliable, high-voltage battery charger designed for 48V systems in marine, industrial, and mission-critical installations. With a charge capacity of 25 A at 57 V, it supports battery banks between 100 and 500 Ah. Its advanced 3-step+ IUoUo charging profile ensures safe, efficient operation for wet, AGM, Gel, and Lithium Ion batteries. Fully compatible with MasterBus networks, the charger supports remote diagnostics and control. Its compact anodized aluminum enclosure and IP23 rating make it ideal for harsh operating conditions where resilience and reliability are paramount.
Key Features
- 48 V output, 25 A charging current (at 57 V)
- Suitable for 100–500 Ah battery banks
- Advanced 3-step+ IUoUo charging curve
- Compatible with all major battery chemistries including Lithium Ion
- MasterBus integration for remote monitoring and configuration
- Includes temperature sensor for charge adaptation
- Galvanic isolation and ripple-free output for sensitive systems
- Rugged IP23 anodized aluminum casing
- Certified to CE, ABYC A-31, RRR, RMRS
Technical Specifications
General Specifications Nominal Output Voltage 48 V Total Charge Current 25 A at 57 V Battery Outlets 1 Battery Bank Size 100–500 Ah Input Voltage 230 V (180–265 V), 50/60 Hz Power Supply Mode Yes Galvanic Isolation Yes Display LED indicators Cooling Vario fan Protection Degree IP23 Dimensions (H x W x D) 340 x 261 x 130 mm Weight 4.6 kg
Charging Characteristics Charging Curve IUoUo, automatic 3-step+ Bulk Voltage 57 V Absorption Voltage 57 V Float Voltage (Wet) 53 V Float Voltage (Gel/AGM) 55.2 V Absorption Time 4 hours Temperature Sensor Included DC Voltage Compensation Yes
Electrical Performance Full Load AC Power Consumption 1800 W DC Standby Consumption < 1 mA Power Factor > 0.95 Temperature Range -25°C to 80°C (derating > 40°C) Current Control (via MasterBus) Yes
Certifications & Standards
- CE
- ABYC A-31
- RRR
- RMRS
MasterBus & GMDSS Integration
- MasterBus compatible for centralized control and diagnostics
- GMDSS-ready with optional remote panel for alarm and system status
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