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Mastervolt ChargeMaster Plus 24/40-3: Reliable 24V Battery Charger
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The Mastervolt ChargeMaster Plus 24/40-3 is a next-generation battery charger engineered for 24V systems, combining innovative technology and practical design to meet the needs of demanding marine and mobile environments. This device is designed to simplify power management, reduce system complexity, and ensure efficient battery performance, making it the ideal choice for boat owners, RV users, and other mobile applications.
Key Features
1. Battery Compatibility
The Mastervolt ChargeMaster Plus 24/40-3 supports charging for up to three battery banks simultaneously, accommodating batteries of different chemistries, sizes, and voltages. This versatility makes it a practical solution for vessels and vehicles with diverse power requirements.
2. Advanced Charging Technology
The device is equipped with smart charging features like:
- Priority Charge: Directs energy to the most depleted battery for faster recovery.
- Revival Mode: Revives fully discharged batteries, extending their lifespan.
- Smart Input: Allows all batteries to charge from a single alternator while the engine is running.
3. Global Compatibility
With an input voltage range of 80-275 V AC and 35-70 Hz, the Mastervolt ChargeMaster Plus 24/40-3 adapts to electrical systems worldwide. It handles voltage fluctuations and operates effectively even in high-temperature conditions, making it perfect for international travelers and diverse environments.
4. Integrated Communication
The charger integrates seamlessly with advanced communication protocols such as MasterBus, CZone®, NMEA 2000, and CANopen (via additional interfaces). This connectivity allows users to monitor and control their charging system via onboard displays or external systems.
5. Durable and Compact Design
Constructed with high-quality materials, the Mastervolt ChargeMaster Plus 24/40-3 withstands the harsh conditions of marine and mobile environments. Its compact form factor and robust connections make installation quick and straightforward, saving valuable time and space.
Applications
1. Marine Systems
The Mastervolt ChargeMaster Plus 24/40-3 is a trusted choice for sailors and boat owners. It ensures all onboard batteries are fully charged, whether for navigation systems, auxiliary equipment, or propulsion. Its ability to handle different battery chemistries makes it ideal for vessels with complex power requirements.
2. Mobile Homes and RVs
For road travelers, the Mastervolt ChargeMaster Plus 24/40-3 provides a reliable solution for maintaining battery health. Whether powering onboard appliances or lighting, it ensures a consistent energy supply, no matter how remote your destination.
3. Commercial Use
The robust design and advanced features of the Mastervolt ChargeMaster Plus 24/40-3 make it suitable for commercial marine operations, emergency vehicles, and other heavy-duty applications.
Communication & monitoring |
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| Communication interfaces | MasterBus, CZone, NMEA |
General specifications |
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| Nominal output voltage | 24 V |
| Max. output current primary output | 40 A |
| Smart In-/Output output voltage | 12 or 24 V |
| Smart In-/Output output current | 5-10 A at 12 V; 5-20 A at 24 V (adjustable) |
| Smart In-/Output input current | max. 20 A at 24 V |
| Total charge current | 40 A at 28.8 V |
| Max. AC current (230 V / 120 V) | 6.8 A / 13.5 A |
| Number of battery outlets | 3 (max.) |
| Battery bank size | 160-400 Ah |
| Nominal input voltage | 120/230 V (80-275 V) 50/60 Hz |
| AC connection | screw terminals, suitable up to up to 6 mm² |
| Power supply mode | yes |
| Galvanic isolation | yes |
| Display/read-out | LED display |
| Dimensions, hxwxd | 384 x 250 x 127 mm 15.1 x 9.8 x 5.0 inch |
| Weight | 5.9 kg 13.0 lb |
| Compliance | CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RMRS, RRR |
Technical specifications |
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| Charge characteristic | IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion + user defined option |
| Temperature compensation | -60 mV/°C / -76 mV/°F; temperature sensor included |
| DC voltage compensation | through automatic compensation or MasterShunt |
| Power consumption (DC side) | < 2 mA (MasterBus off) |
| Current Control function | yes, through MasterBus or CZone |
| Power factor control | > 0.98 |
| Temperature range (ambient temp.) | -25 °C to 80 °C, derating < 0 °C and > 40 °C -13 °F to 176 °F |
| Cooling | vario fan |
| Protection degree | IP23, vertical mounting |
| Protections | over-temperature, overload, short circuit, high/low battery voltage, ignition protection |
| Charger Status Interface (alarm contact) | yes, using a Multipurpose Contact Output (code 77030500) |
Why Choose the ChargeMaster Plus 24/40-3?
When you choose the ChargeMaster Plus 24/40-3 from YachtAid Marine, you’re opting for a trusted provider of high-quality marine equipment. The ChargeMaster Plus 24/40-3 offers versatility and reliability, supporting lithium-ion, AGM, and gel batteries for diverse configurations. Its compact design replaces auxiliary chargers and isolators, simplifying installation and saving space. Whether on water or road, it ensures quick, safe, and efficient charging, letting you focus on your journey.
Explore our full range of marine battery chargers at YachtAid Marine!
| Weight | 16 lbs |
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| Dimensions | 17 × 15 × 7 in |
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