18VCT 18V, 18VAC 9V Transformer 9V-0-9V CT 3A 110Vac 220Vac to 18Vac 9Vac New Surplus Chassis Mount Transformer for Electronic Projects DESCRIPTION 9V-0-9V CT 3A Input: 110/220VAC 60Hz Outputs: 18VAC @ 3A (9V-0V-9V) 6" Wire Leads (152.4mm) From bulk packaging, not in retail packaging. Great Experimenter, project power source. Rectify it full wave, full wave center tapped, or half wave, Then a regulator for the voltage your project needs. 120Vac 50-60Hz input. Carefully packed shipping.