Transformatoare monofazice seria STI

Simbol	Putere	Tensiune primară	U_{sec. 1}	Dimensiuni
	[VA]	[V AC]	[V]
STI0.1-230/24	100	230	24	Fig. 1.
STI0.1-400/24	100	400	24	Fig. 1.
STI0.16-230/24	160	230	24	Fig. 2.
STI0.16-400/24	160	400	24	Fig. 2.
STI0.16-400/230	160	400	230	Fig. 2.
STI0.2-230/24	200	230	24	Fig. 3.
STI0.2-400/24	200	400	24	Fig. 3.
STI0.2-400/230	200	400	230	Fig. 3.
STI0.4-400/230	400	400	230	Fig. 4.