GB/T 40820-2021: Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Get Quotation: Click GB/T 40820-2021 (Self-service in 1-minute) Newer / historical versions: GB/T 40820-2021 Preview True-PDF (Reload/Scroll-down if blank)
