... power supply transformer used for the field of pro-amplifier, audio system, home electrical appliance, lighting, Medical equipments, Halogen quartz lamp, UPS industry ... 100V, 115V, 120V, 230V, 240V / 50 Hz c. Secondary Customized Power range: 20VA to 10KVAd. Standard UL506, UL1411, EN61558, EN6060-1 ...