... Insulation between Primary and Secondary 10. Punily Leakage Current 11. Easy to mount12. Competitive price115/230 Primary &120/240 Primary Toroidal Transformer ... Customized Standard UL506, UL1411, EN61558, EN6060-1, UL2601, UL544 Insulation Class Class B, Class F, Class H Mounting One Metal plate, Two Rubber pads, One set ...