D-HG 400


High energy ignition device with 90 J/s for direct and reliable ignition of gas and liquid fuels.


  • Technology and design proven over more than 30 years
  • Ignition power 90 J/s
  • Microcontroller-monitored ignition
  • Sustained short circuit-proof and electronic protection in the event of a defective ignition tip
  • Relay contact for ignition feedback
  • Optional retraction unit for retracting the ignition tip from the hot area
  • Reliable and safe ignition: High ignition power for direct ignition of gas and prepared oil
  • Cost savings due to wear-free igniter (thyristor-controlled)
  • Flexible system design: Exchangeable electronics module for compact and separate design and standardized ignition lances, ignition tips and high voltage cables
  • Certified for the applications ATEX, IECEx, Ex d IIC and Ex de IIC


Ignition power90 J/s
Ignition energy4.5 J/spark
Ignition frequency20 sparks/s (1 … 60 s)
5 sparks/s (> 60 s)
Ignition voltage1,500 V
Connections1x device connection (D-HG 400-50/60)
Relay contacts1x changeover contact
Ignition feedback
Max. 250 VAC, 4 A, min. 24 VDC, 100 mA
InterfaceUSB for service, requires DURAG software D-ESI 100
Electrical data100 … 120 VAC or 220 … 240 VAC
50 … 60 Hz, 200 VA
Ambient conditions-20 … +60 °C (Housing 5x/6x)
-20 … +55 °C (Housing 77/78Ex)
-20 … +60 °C (Housing 94Ex)
Degree of protectionIP65 (Housing 5x/6x)
IP66 (Housing 77/78Ex)
IP66, NEMA 4.4X (Housing 94Ex)
WeightApprox. 4.3 kg (Housing 5x/6x)
Approx. 16 kg (Housing 77/78Ex)
Approx. 18 kg (Housing 94Ex)


DURAG Group products and solutions under its group such as:

  • SMITSVONK (Netherlands-based) for high-energy ignition systems, pilot burners, and ignition burners
  • Hegwein GmbH (Stuttgart-based) for (gas and oil ignition burners and gas burners
  • AP2E (France-based) for ProCeas® lasercem analyzers for gas traces in hydrocarbons via infrared spectrometry online gas analysis, with no need for sample conditioning/heating
  • Grimm Aerosol Technik for detection and analysis of aerosol particles in various fields such as environmental monitoring, occupational safety and research.
  • Mercury Analysers for measuring principle that allows separate determination of elemental and oxidized mercury
  • Dust Monitors and Analysers for measure dust concentrations in dry and wet gases continuously

Approvals And Certifications

  • TÜV certificate (Germany requirement for continuous emission monitoring systems)
  • Compliant to US EPA, QAL 1 Certification, EN 14181, EN 15267, EN 16911-2
  • FM approval (ANSI safety standards)
  • Explosion Proof Certification (IECEx, ATEX, NEPSI, TIIS)
  • CE Marking (conforms with the applicable EU directive)

The DURAG GROUP is a leading provider of intelligent solutions for combustion technology, emissions and ambient air monitoring, multi-gas analysis, tunnel sensors, and environmental and process data management, with more than 70 years of experience.

The company has around 500 specialists who offer modern technology, certified instruments, and reliable services for the individual requirements of customers worldwide.

It provides a comprehensive product portfolio for industrial combustion and flame control technology, visualization and online analysis of thermal processes, gas analysis, as well as the measurement and analysis of emissions and ambient air monitoring.


D-HG 400