... audio system, home electrical appliance, lighting, Medical equipments, Halogen quartz lamp, UPS industry, industrial control area ect….: Specification:1. ... c. Secondary Customized Power range: 20VA to 10KVAd. Standard UL506, UL1411, EN61558, EN6060-1, UL2601, UL544 e. Insulation Class B, Class F, Class ... , organized a full quality control and R&D team.c. Use refined material, such as core, wire, and ...