HONEYWELL CONTROL BOX TMG 740-3

The TMG 740-3 is a burner control box made by Honeywell. It can control and monitor medium to high performance dual fuel oil/gas burners and forced draught burners. It can be used for multi-stage or modulating operation with burners of any nominal rating, as well as in direct air heaters. 

The TMG 740-3 is enclosed in a protective, flame resistant, transparent, plug-in type plastic housing. It includes: 

• Synchronous motor with gearbox driving cam switch

• Cam switch with informative, colored program indicator

• 16-way cam switch assembly controlling the program sequence

• 2 DC relays

The TMG 740-3 has an IP rating of IP68. It has a supply voltage of 220/240 V AC, a mains frequency of 50 Hz, a fuse rating of 10 A rapid, 6 A slow, and a power consumption of approximately 15 VA. It weighs 800g without plug-in base.