Brahma VM41 and VM42 EUROGAS Controllers — Reliable Modules for Forced-Draught Gas Burners
The Brahma VM41 and VM42 are compact automatic control units designed for intermittent operation gas burners with forced air supply. They manage ignition, flame monitoring, and safe shutdown in the event of an error.
Versions and Functional Differences
The series includes two main models:
- VM41 — for single-stage burners with direct ignition and flame ionization detection
- VM42 — for two-stage burners with pre-heating and extended timing logic
Both versions offer manual reset, remote reset, LED status indication, and built-in fault diagnostics. Their housing is designed for quick installation in control panels and OEM systems.
Technical Specifications
| Power supply | 230 V, 50 Hz |
| Flame detection | Ionization |
| Safety time (TS) | 3 or 5 seconds |
| Pre-purge time (TW) | 15 seconds |
| Ionization current | max. 25 μA |
| Reset | manual and remote |
| Ambient temperature | -20 to +60 °C |
| Protection class | IP00 (internal use) |
Mounting and Wiring
The units are panel-mounted with clip-on support. Electrical connections are made via NE and N multipin terminals. The device connects to the ignition transformer, gas valves, flame sensor, and external indicator lamps.
Connection diagrams vary depending on the terminal version:
Timing charts included in the documentation illustrate the behavior of outputs, relays, and flame control phases under various operating modes.
Applications
Brahma VM41 and VM42 controllers are used in:
- Atmospheric and forced-draught gas burners
- Medium and large heating boilers
- Steam generators, heat exchangers, industrial ovens
- Dryers, hot air heaters
- OEM combustion systems
The built-in diagnostics system ensures rapid fault detection, while the front LED indicators clearly signal operational status, flame presence, and lockout reasons.
Key Advantages
- Stable operation even under voltage fluctuations
- Compact housing for OEM and cabinet use
- Versions for both single- and two-stage burners
- Ionization flame detection without extra sensors
- Compliant with EN 298 standard
- Compatible with Brahma ignition transformers and FC/FT flame sensors
Conclusion
Brahma VM41 and VM42 EUROGAS controllers provide safe and intelligent burner management for modern gas heating systems. Their advanced logic, reliable flame detection, and easy wiring make them a go-to choice for engineers, manufacturers, and integrators. You can explore the complete range of Brahma control boxes and find matching components in the control equipment section of the catalog.