Mastervolt 81205400 - Mac Plus DC/DC Converter Charger 24/24-30

Article Mastervolt - 81205400

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The Mastervolt 81205400 Mac Plus 24/24-30 is a robust DC-DC charger designed to boost the charging voltage of service batteries, particularly in vehicles, boats, and off-grid systems. This charger is ideal for use in Euro 5/6 applications, ensuring constant power to the service battery, even when the alternator is inactive. With its 3-step charging method, the Mac Plus ensures quick, safe, and efficient charging, even for fully depleted batteries. It supports a wide range of battery types, including flooded, AGM, Gel, and Li-Ion batteries, and is equipped with features like adjustable current limits, voltage stabilization, and MasterBus compatibility. The fanless design provides silent operation, while the IP23 protection ensures reliable performance in harsh environments. With parallel operation capabilities, it can deliver over 100 Amps of charging power, making it perfect for demanding applications requiring stable and efficient energy supply.

Description
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Mastervolt 81205400 - Mac Plus 24/24-30

Key Features:
- Fast and safe charging of service batteries during short trips with a 3-step charge method
- Fanless design for silent operation, ensuring a quiet and efficient charging experience
- Compatible with various battery types including flooded, Gel, AGM, Li-Ion, and LiFePO4 batteries
- Charges even fully depleted batteries, ensuring service battery readiness even after long periods of inactivity
- Engine run detection feature to protect the starter battery during operation
- Adjustable current limits to meet the specific requirements of Euro 5/6 systems
- Voltage stabilization prevents damage to sensitive equipment, lights, and loads
- Supports parallel operation to provide charging capacities over 100 Amps when multiple units are used
- MasterBus integration allows for intelligent system monitoring and automation
- Temperature compensation and voltage sense for optimal charging results
- E-mark certification ensures compliance for mobile applications
- Heavy-duty connections for easy installation with quick setup via DIP switches
Specifications:
- Battery Temperature Sensor: Yes, included
- Battery Voltage Sense: Yes
- Output Voltage: 20-30 V, nominal 24 V
- Output Voltage Stabilization: 2% at extremes of temperature, load, and input
- Output Voltage Ripple (peak-peak): Max. 1%
- Max Output Power: 850 W
- Nominal Output Power: 810 W
- Max Output Current: 30 A
- Output Charge Current (3-step mode): 30 A
- Nominal Input Voltage: 24 V
- Input Voltage Range: 19-30 V
- Max Input Current: 30 A
- Galvanic Isolation: No
- Voltage Limited: Yes
- Efficiency: > 95% (at nominal input voltage, full load); peak 97%
- Parallel Configuration: Yes
- Alarm Contact: Yes, through MasterBus
- Engine Run Signal Input: Yes (active high/active low)
- DIP Switches: Yes, for basic setup
- Dimensions (hxwxd): 255 x 165 x 66 mm (10.0 x 6.5 x 2.6 inches)
- Weight: 2 kg (4.4 lb)
- Compliance: CE, E-Mark, SAE J1171 & ISO 8846 Ignition Protected
Technical Specifications:
- No-Load Consumption: < 2 mA
- Charge Characteristic: 3-step+ (adjustable via DIP switch)
- Battery Types: Flooded, Gel, AGM, Spiral, Lithium Ion, Traction, User defined
- DC Consumption: < 5 mA
- Connections: 3 x M8 terminal for cable diameters of 10-50 mm² (positive input, positive output, joint negative connection); 6-pole screw connection for cable diameters of 0.75-1.5 mm² (remote on/off, temperature sensor, voltage measurement)
- Temperature Range (Ambient Temp.): -25°C to 60°C; derating > 40°C (-13°F to 140°F)
- Cooling: Natural cooling
- Protection Degree: IP23
- Protections: Overload, over temperature, DC short circuit, reversed polarity (fuse)
- MasterBus Compatible: Yes
Compatibility and Application:
- Perfect for boosting the charging voltage of service batteries located far from the charging source or in systems with smart alternators
- Ideal for use in vehicles, boats, service vans, campers, trucks, and Euro 5/6 applications
- Ensures stable charging for service batteries, even when the alternator is inactive or providing variable output
- Works in parallel with multiple units to provide over 100 Amps, ideal for high-power systems
- Protects sensitive electrical equipment and loads from voltage fluctuations, ensuring reliable operation
Benefits:
- Ensures optimal battery charging even during short trips or in systems with challenging charging conditions
- Fanless design provides silent operation, perfect for quiet environments
- Compatible with a wide range of battery types, including flooded, AGM, Gel, and lithium-ion batteries
- Supports the charging of fully depleted batteries, helping maintain battery health
- Protects sensitive equipment and loads from voltage instability, ensuring consistent operation
- Adjustable current limits allow customization for different vehicles or systems, meeting Euro 5/6 regulations
- Parallel operation allows the expansion of charging capacity for larger systems, providing more than 100 Amps
- Integrated temperature compensation ensures the most efficient charging regardless of ambient temperature
- Robust design with IP23 protection ensures reliability even in harsh environmental conditions
- E-mark and CE certified for mobile applications, providing peace of mind and compliance with industry standards