Mastervolt 81400500 – DC Master 12/24-7 DC/DC Converter (7A, 191W) – Non-Isolated
The Mastervolt DC Master 12/24-7 is a compact and efficient DC-DC converter designed to step up 12 VDC input to a stabilized 27.2 VDC output. This non-isolated model delivers 7 A continuous output and supports up to 9 A for short durations, making it suitable for powering 24 V devices from 12 V battery systems. Its compact size and passive cooling make it ideal for recreational, automotive, and marine environments where quiet, space-efficient solutions are required.
Main Features
- Step-up converter: converts 12 VDC input to 27.2 VDC output
- Non-isolated design: direct electrical connection between input and output
- 7 A continuous output, 9 A peak for 2 minutes
- Highly efficient operation with minimal heat generation
- Compact dimensions and lightweight (0.64 kg)
- Passive natural convection cooling – silent operation
- IP53 protection rating for harsh environments
- Suitable for negative ground systems
- Supplied with mounting bracket and installation accessories
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage (Nominal) | 12 VDC |
| Input Voltage Range | 10–15.5 VDC (Max. 16 V) |
| Output Voltage (Nominal) | 27.2 VDC |
| Output Power (Nominal) | 191 W |
| Output Power (Max. 2 min) | 245 W |
| Continuous Output Current | 7 A |
| Peak Output Current (2 min) | 9 A |
| Galvanic Isolation | No |
| Stabilized Output | Yes |
| Cooling | Natural (passive) |
| Protection Degree | IP53 |
| Operating Temperature | -25 °C to +80 °C (derating above 30 °C) |
| DC Consumption (Idle) | <25 mA |
| Connections | Fast-on |
| Dimensions (H x W x D) | 167 x 87 x 50 mm / 6.6 x 3.4 x 2.0 in |
| Weight | 0.64 kg / 1.4 lb |
| Compliance | CE |
Package Contents
- Mastervolt DC Master 12/24-7 DC/DC Converter
- Mounting bracket
- Screws and fasteners
- Installation manual








