Mastervolt 81400300 – DC Master 24/12-12 DC/DC Converter (12A, 164W) – Non-Isolated
The Mastervolt DC Master 24/12-12 is a compact and efficient DC-DC converter designed to provide a stabilized 13.6 VDC output from a 24 VDC power source. Built for recreational and semi-professional use, this non-isolated converter delivers up to 12 A of continuous output current and can handle peaks of up to 18 A for two minutes. Its robust and compact form factor makes it suitable for a variety of marine, vehicle, and mobile energy systems where space and silent operation are key.
Main Features
- Non-isolated design: direct input-to-output connection
- Stable 13.6 VDC output for sensitive 12 V devices
- 12 A continuous, 18 A peak (2 min) output capability
- Low heat generation and high efficiency
- Compact and lightweight (0.405 kg)
- Natural convection cooling – completely silent
- Negative earth compatible
- Includes mounting bracket and fasteners
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage (Nominal) | 24 VDC |
| Input Voltage Range | 20–32 VDC (Max. 35 V) |
| Output Voltage (Nominal) | 13.6 VDC |
| Output Power (Nominal) | 164 W |
| Output Power (Max. 2 min) | 245 W |
| Continuous Output Current | 12 A |
| Peak Output Current (2 min) | 18 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) | <15 mA |
| Connections | Fast-on |
| Dimensions (H x W x D) | 127 x 87 x 50 mm / 5.0 x 3.4 x 2.0 in |
| Weight | 0.405 kg / 0.9 lb |
| Compliance | CE |
Package Contents
- Mastervolt DC Master 24/12-12 DC/DC Converter
- Mounting bracket
- Screws and fasteners
- Installation manual








