GB 20943-2025: Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Get Quotation: Click GB 20943-2025 (Self-service in 1-minute) Newer / historical versions: GB 20943-2025 Preview True-PDF (Reload/Scroll-down if blank)
