SKU:
EX 40120756
1-2 weeks delivery time
Our managers will contact you and clarify the terms of the order
The Mastervolt Mass 24/75 120 V battery charger (40120756) is a DNV GL-certified, rugged, industrial-grade charger designed for the harshest marine and mobile environments. With its anodized aluminum casing, full-power output up to 40 °C, and compatibility with all battery chemistries—including Lithium Ion—it delivers consistent 75 A charge current at 24 V, making it ideal for critical systems and GMDSS compliance. Fully MasterBus-compatible for remote monitoring and integration.
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Mastervolt 40120756 – Mass 24/75 120 V Battery Charger (DNV GL, GMDSS Compatible, MasterBus, Industrial Grade)
The Mastervolt Mass 24/75 (120 V) is a professional-grade battery charger built for demanding environments such as commercial vessels, GMDSS stations, offshore platforms, and military applications. Delivering a steady 75 A charge current at 24 V, the charger is housed in a durable anodized aluminum casing with conformal-coated electronics, making it resistant to shock, vibration, condensation, and electromagnetic interference. DNV GL certification ensures compliance with maritime safety and installation standards, while MasterBus integration allows for centralized or remote monitoring and configuration.
Key Features
- DNV GL certified for maritime installations
- 75 A charge current at 24 V DC
- Supports AGM, Gel, Flooded, and Lithium Ion batteries
- Compatible with GMDSS alarm and monitoring systems
- Full power output at ambient temps up to 40 °C
- Conformal coating protects internal components from moisture
- MasterBus integration for remote configuration and monitoring
- Ripple-free output allows for charging without batteries connected
- Current Control mode to prevent fuse tripping on low-voltage input
- Parallel operation possible for higher capacity systems
General Specifications
Specification Value Product Code 40120756 Battery Voltage 24 V Charge Current 75 A Input Voltage 120 V AC Output Voltage (adjustable) 20–30 V DC Battery Types Supported AGM, Gel, Flooded, Lithium Ion Max Battery Capacity Up to 1000 Ah MasterBus Compatible Yes Cooling Forced (fan-cooled) Certifications DNV GL, CE, ABYC A-31, IEC60945
Mechanical & Environmental
Specification Value Enclosure Material Stainless steel + anodised aluminum Operating Temperature 0 °C to 40 °C (full power) Ingress Protection Conformal coated electronics, IP21 mechanical Cooling Active, temperature-controlled fan Installation Wall-mount, vibration-resistant
Applications
- Commercial vessels and offshore platforms
- GMDSS-compliant maritime radio stations
- Military and mission-critical power systems
- Heavy-duty RV, expedition vehicle, or mobile command setups
- Battery banks up to 1000 Ah (or higher in parallel setup)
Compatible Accessories
- Mastervolt GMDSS Remote Control Panel
- MasterBus USB Interface for PC monitoring
- Battery temperature sensor (included)
Documents
Mass 24_75 (120 V - DNV GL) - User Manual Size: 1,3 Mb -
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