Class 2 Rated power limited output Universal 120 -240 VAC input Low voltage DC, regulated and filtered Single polarized connector for distribution board Fused primary input AC input and DC output monitoring circuits w/ LED indicators Cover mounted AC input indication NEMA 1 enclosure Hinged cover w/ lock down screws High voltage protective cover 2 relay EL panic device control board PS902-2Q is able to accept a total of 1 optional 900-FA board