SKU:
EX 40020256
€ 1.349,21
1-2 weeks delivery time
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+
The Mastervolt Mass 24/25-2 is a 24V battery charger engineered for critical power applications in marine, industrial, and off-grid systems. Delivering 25 A total charging current (with 3 A on the secondary output), it supports battery banks from 50 to 250 Ah and accepts a wide 230 V AC input (180–265 V). This compact unit (325 x 220 x 111 mm, 3.3 kg) is built to operate in ambient temperatures up to 40°C at full power. Its rugged anodized aluminum housing and IP23 rating ensure durability under vibration, condensation, and harsh environments. Fully MasterBus compatible and GMDSS-ready, it provides ripple-free, stable power with advanced protections and adaptive charging for all battery chemistries including Lithium Ion.
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Mastervolt Mass 24/25-2 Battery Charger 24V 25A 230V – Dual Output, Marine Certified
Built for continuous use in extreme environments, the Mastervolt Mass 24/25-2 is a professional-grade battery charger designed to power critical systems in marine, mobile, and industrial applications. Featuring 3-step+ IUoUo charging technology, it ensures safe and efficient battery management across a wide range of chemistries including Lithium Ion. Its compact and rugged construction, conformal-coated internals, and advanced protections make it exceptionally reliable under shock, vibration, and environmental stress. It integrates seamlessly into MasterBus networks and supports GMDSS alarm functions for SOLAS-compliant installations.
Key Features
- Advanced 3-step+ IUoUo charging profile for Gel, AGM, wet, and Lithium Ion batteries
- 25 A total charging current, 3 A secondary output
- Ideal for battery banks from 50–250 Ah
- LED status indicators for easy monitoring
- Full-rated performance at ambient temperatures up to 40°C
- Galvanic isolation and ripple-free output for sensitive electronics
- Parallel operation possible with multiple units
- MasterBus communication-ready for remote monitoring/control
- Conformal-coated electronics for condensation protection
- Certified: CE, ABYC A-31, RRR, RMRS, and DNV GL
Technical Specifications
General Specifications Nominal Output Voltage 24 V Total Charge Current 25 A at 28.5 V Secondary Output 3 A Battery Bank Size 50–250 Ah Input Voltage Range 230 V (180–265 V), 50/60 Hz Power Supply Mode Yes Galvanic Isolation Yes Display LED Cooling Vario fan Protection Rating IP23 Dimensions (H x W x D) 325 x 220 x 111 mm Weight 3.3 kg
Charging Characteristics Charging Curve IUoUo, 3-step+ (automatic) Bulk Voltage 28.5 V Absorption Voltage 28.5 V Float Voltage (Wet) 26.5 V Float Voltage (Gel/AGM) 27.6 V Absorption Time 4 hours Temperature Sensor Included DC Voltage Compensation Yes
Electrical Performance Full Load AC Power Consumption 880 W DC Standby Consumption < 1 mA Power Factor > 0.95 Ambient Temperature Range -25°C to 80°C (derating > 40°C) Current Control (via MasterBus) Yes
Certifications & Standards
- CE
- ABYC A-31
- RRR, RMRS
- DNV GL certified
GMDSS & Remote Panel Integration
- GMDSS compliant with optional remote display panel
- Supports remote alarm/status integration
- Single front panel available for consolidated monitoring
Documents
Mass 24_25-2 - User Manual Size: 1,4 Mb -
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