Brahma 37200728 VM44G control box

SKU: 37200728, 246.124.162

Price on request

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Brahma VM44G 37200728 gas control units are designed to control forced-draft gas burners or fuel oil burners designed for continuous operation.

These devices provide non-volatile locking, in which restarting is possible only by manually resetting the control. Among the numerous functions, the ability to connect various types of air dampers manufactured by Brahma or competing companies for dual flame modulation stands out.

Another feature of the Brahma VM44G 37200728 burner controller is the ability to transmit information about the operating cycle through an appropriate cable.

These controllers are suitable for equipping burners for domestic and industrial single- and double-flame heating.

Main Features

– EC type certification:

– EC type certification (CE PIN 0476CR0811) in accordance with the Directive on Gas Appliances 2009/142/EC (until April 20, 2018) and the Regulation on Gas Appliances (EU) 2016/426 (from April 21, 2018).

– Compliance with EU directives:

  – Compliance with EU directives, including electromagnetic compatibility (EMC) 2014/30/EC and the Low Voltage Directive 2014/35/EC.

– Standards and norms:

  – In accordance with EN298:2012 (European standard for automatic control systems for gas and oil burners and flame detection), EN676:2003 (European standard for automatic gas burners with forced draft), DIN 4788 (German standard for burners with fan) and EN60730-2-5 (European standard for automatic control with Class C software).

– Connectivity options:

  – The ability to connect remote lock and reset signals.

– Flame detection:

– Detection based on the flame straightening property using an electrode or detection of ultraviolet radiation by an FD photodiode for gas versions of VM44G.

  – Detection of visible light using a photodetector of the FT, FC type or detection of ultraviolet radiation by an FD photodiode for oil versions of VM44O.

– Solenoid valve:

– Two independent safety contacts for controlling the electromagnetic fuel supply valve.

– Reliability and service life:

  – The maximum service life of electrical equipment with a declared load of more than 250,000 operations.

– Flexibility and power:

– Without restrictions on the burner power, taking into account the compliance of time and principles of operation at the stage of project development.

– Fine tuning:

– Accurate and reproducible tuning time.

Technical specifications

Power supply: 220-240 V – 50-60 Hz

Frequency range: 110-120 V – 50-60 Hz

Storage temperature range: -40°C – +85°C

Humidity: no more than 95% at 40°C

Degree of protection (with socket): IP 40

The presence of a base: yes

Pre-ventilation time (tv/tp): 30 sec

Safety time (ts): 3 sec

Ambient operating temperature: -20 to +70 °C

Weight:0.25 kg

Dimensions:8.5x6x6.5 cm

Power consumption during operation: 30 VA


The use of surface-mounted components that make up the “logical core” of the system has reduced the size of the printed circuit board, so that even the most complex version takes up very limited space. Using a microcontroller as a logical core allows you to create devices with very flexible operating programs and available functions.  The varistor protects the controller from peak mains voltages caused, for example, by atmospheric discharges such as lightning strikes. The built-in fuse protects the controller in case of a short circuit at the outputs (solenoid valves, fan and lock signal).

Undervoltage protection

If the supply voltage is less than 165 VAC (about 78 VAC in 110-120 VAC versions), the device will switch to safe mode during normal operation. The device will restart when the supply voltage exceeds approximately 175 VAC (about 83 VAC in 110 120 VAC versions).

Surge protection

When the supply voltage exceeds approximately 290 VAC (about 143 VAC in 110-120 VAC versions), the device switches to safe mode during normal operation. The device will reboot when the supply voltage is less than about 280 VAC (about 138 VAC in 110-120 VAC versions).