The RL-2220 and RLD-2220 Series of PC mount low power are designed to operate between 50 and 500Hz without any loss of output voltage. These transformers are available in ratings of 1.0VA, 4.4VA, 10.0VA ans 24.0VA. Single or dual primaries 50-500Hz and input range ofd (115V or 115/230V-50-500Hz). Secondaries in series or parallel. Hipot tested at (1500VRMS). Manufactured to Class B insulation (130¾C). Optional mounting brackets available.