A choice really...
These are all 230v...
Encapsulated - Toroidal
30VA Primary 0-230Vac
Secondary 15VA per winding
2×15V, 1·0A 223-8544
open style toroidal transformers
30VA Primary 0-115-0-115 (for 115 or 230 Vac input)
Secondary 15VA per winding
2x0-15V, 1·0A 257-4979
Transformers PCB Mount
22VA Primary 0-230Vac
Secondary 11VA per winding
2 x 0-15V 0·73A 201-8738