Mastervolt Mass Combi 24/2500-60 120V Inverter/Charger - 37022505

SKU: EX 37022505

1-2 weeks delivery time

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The Mastervolt Mass Combi 24/2500-60 (item no. 37022505) is a compact yet powerful 120 V inverter/charger designed for high-efficiency 24 V DC energy systems. Delivering 2500 W continuous power (4000 W peak) and up to 60 A charging current, it features a silent, transformer-free HF design, dual battery charging, Power Assist, and dual AC outputs. The unit also supports MasterBus system integration (interface required) and is ideal for mobile, marine, and off-grid use in North American environments. Size: 496 x 318 x 156 mm; weight: 11 kg.

Description
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Mastervolt 37022505 - Mass Combi 24/2500-60 Inverter/Charger (120V, 2500W, 60A) – Parallel Capable, MasterBus Ready

The Mastervolt Mass Combi 24/2500-60 (product code: 37022505) is a compact and powerful energy solution that integrates a 2500 W pure sine wave inverter with a 60 A multi-stage battery charger. Designed for high-efficiency operation in 24 V DC and 120 V AC systems, it includes Power Assist, dual AC outputs for load separation, and support for parallel configuration. Ideal for mobile and marine environments, this unit is also MasterBus ready, enabling full digital monitoring and control.

Key Features

True sine wave inverter: 2500 W continuous, 4000 W peak
Intelligent 3-step+ battery charger: 60 A main, 5 A secondary
Supports 120 V / 60 Hz North American systems
Parallel-ready: up to 2 units
Dual AC outputs for critical and non-critical loads
MasterBus compatible (interface required)
Silent, transformer-free HF design
Compact: 496 x 318 x 156 mm, 11 kg

Specifications – Inverter

Nominal DC Voltage	24 V (range 19–31 V)
Output Voltage	120 V ± 5%, 60 Hz ±0.05%
Output Waveform	True sine wave
Continuous Power	2500 W @ 25°C
Peak Load	4000 W
Efficiency	≥ 90%
DC Ripple	< 5%
Energy Saving Mode	0.5 W
Parallel Configuration	Yes, up to 2 units
3-Phase Operation	No
Grid/Generator Sync	Yes

Specifications – Battery Charger

Input Voltage Range	90–135 V AC
Max Charge Current	60 A @ 28.5 V (adjustable)
Primary AC Consumption	2000 W / 17 A
Secondary Output	24 V / 5 A
No-load AC Draw	< 15 W
Battery Temp Sensor	Included
Voltage Sensing	Automatic compensation
Charging Algorithm	IUoUo / 3-step+ for Gel, AGM, MLI, flooded, traction

Specifications – Transfer System

AC Input 1	50 A (25 A switched)
AC Output 1	25 A (short break)
AC Output 2	50 A (main)
Transfer Speed	~10 ms typical
Voltage Range	90–135 V
Frequency Range	45–65 Hz