... transformer 1 toroidal transformer 2 amplifier transformer 3 integraded amplifier 4 electrical Product Description for ... amplifier, audio system, home electrical appliance, lighting, Medical equipments, Halogen quartz lamp, UPS industry, industrial control area ect….: Specifications:1 Frequency ... EN61558, EN6060-1, UL2601, UL544 e. Insulation Class B, Class F, Class H f. Mounting One Metal plate, Two ...