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Cosel is one of the leading power supply manufacturers with a history of 50 years. Cosel manufactures high-quality AC-DC power supplies, DC-DC converters, power modules and EMI filters.

  • High Reliability by Unique Evaluation Techniques

  • Confidence in Our High Quality Product(5-10 Years Warranty)

  • On-site Techincal Support

  • Trustworthy Analytical Ability