Danfoss EBI4 M-S is a two-pole electronic ignition unit designed for oil and gas burners in industrial and residential heating systems. The unit is equipped with plug-in connectors on both the primary and secondary sides, which significantly simplifies installation and servicing. Its compact and robust design makes it suitable both for new installations and as a replacement for older types.

The unit is intended for oil and gas burners in boiler rooms, industrial equipment and building heating systems. Thanks to its wide input voltage range (187–255 V AC), it is suitable for various mains supply conditions throughout Europe.