Introduction
The Mass Combi Ultra 12/3000-150 (230 V) by Mastervolt is a compact inverter/charger combination designed to meet the increasing demand for higher power and comfort in off-grid electrical systems. It integrates a smart transfer system, an efficient MPPT solar charge regulator, and a separate second charger within a robust unit that simplifies installation and reduces costs.

Technological Innovations
The Mass Combi Ultra features advanced V6 high-frequency converter technology and ultra-fast DSP controls, offering benefits such as low 'no load' current to prevent battery drain and extreme peak power capability for high current loads. It is highly efficient, making it a leading product in its class.

System Integration
This product integrates seamlessly into Mastervolt systems, with components connected via MasterBus. It can be controlled and monitored through a MasterView Easy touchscreen, providing comprehensive management of the Combi, batteries, and other power sources. It supports Digital Switching for decentralized control.

General Specifications
- Display: LED
- Dimensions: 472 x 318 x 178 mm
- Weight: 15.3 kg
- Approvals: CE, ABYC

Technical Specifications
- Charge characteristic: IUoU, automatic 3-step+
- Temperature range: -25 °C to 60 °C
- Protection degree: IP23
- Protections: Over temperature, AC/DC short circuit, battery voltage issues
- MasterBus compatible: Yes

Inverter Specifications
- Nominal battery voltage: 12 V
- Output voltage: 230 V, 50/60 Hz
- Continuous power: 3000 W
- Surge capability: 6000 W
- Efficiency: >= 90%
- No-load power consumption: 16 W / 4 W / 0 W

Battery Charger Specifications
- Nominal input voltage: 180-275 V
- Max charge current: 150 A at 14.25V
- Temperature sensor: Included

Transfer System Specifications
- Generator input: 50 A
- Mains input: 30 A
- AC output 1: 67 A
- Transfer time: < 1 ms

Solar Input Specifications
- Input voltage range: 25-50 V
- Max PV power: 500 Wp
- Max charge current: 30 A at 14.25V