Ko e ha ʻa e mafana ʻo e tuʻunga ʻo e tohi fakamoʻoni AT1

ʻI he tafaʻaki ʻo e tohi fakamoʻoni fakaʻuhila, ʻa e “T” vahe ʻe he faʻahinga ʻo e ʻea ʻa e ngaahi kulupu, ʻa ia ʻoku ʻuhinga ai ʻa e T1 ʻoku kei tuʻu pe ʻa e mafana ʻo e meʻangaue ʻi lalo ʻi he 450 ° c.

III	C	T 135 ° c	Db	IP65
III Efu ʻo e laa		T1 450 ° c	Fineʻeiki	IP65
		T2 300 ° c	MB
		T3 200 ° c
	A Puna velangofua flocs		Ta
		T4 135 ° c
			Db
	B ʻIkai conductive efu	T2 100 ° c	TF
	C Conductive efu	T6 85 ° c

Predominantly, ʻOku fakafaʻahinga ʻa e meʻangaue fakaʻuhila ki he ngaahi kulupu mafana T4, T5, mo e T6. T3 fakafaʻahinga ʻoku ʻi ai ka ʻoku hahamolofia.