D-HG 400

High energy ignition device

The D-HG 400 high energy ignition device is suitable for the ignition of gas or liquid fuels in industrial burners of any capacity.

Available models




  • Reliable ignition of gaseous fuels
  • Ignition of liquid fuels up to heavy oil grade 6
  • Suitable as “Ignitor Class 3 Special“ in accordance with NFPA 85
  • Thyristor controlled and therefore non-wearing electronic
  • Ignition feedback signal via potential-free relay output
  • LED indication at device
  • Integrated protection and control functionalities


  • Power stations
  • Chemical industry
  • Refineries
  • Cement plants
  • Waste incinerators
  • Steam generators
  • Heating plants
  • Claus plants

Technical Data

D-HG 400
Supply voltage115 / 230 VAC, 50 / 60 Hz
Power consumption220 VA
Ignition voltage1500 V
Ignition energy / spark4.5 J
Ignition energy / second96 J
Ignition frequencyMax 20 sparks / second
Switching capacity250 VAC / 4A
Power on time300 sec (ED 50%)
Perm. ambient temperatureD-HG 400-5x, -6x: -20... +60°C
D-HG 400-77Ex: -20... +40°C
D-HG 400-94Ex: -20... +60°C
ProtectionD-HG 400-5x, -60: IP65
D-HG 400-..Ex: IP66
DisplayLED (ignition feedback)
DimensionsD-HG 400-5x, -60: 108 x 188 x 192 (WxHxD)
Enclosure materialAluminum
Ex-protectionD-HG 400-77Ex: II 2 GD
                           Ex d IIC T6 Gb
                           Ex tb IIIC T85°C Db IP66 
D-HG 400-94Ex: II 2 G Ex de IIC T6 Gb
                           II 2 D Ex tb IIIC T80°C Db
(*ED = duration of sparking)

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