| Certificate No. | VC-WT2023-3856 |
| Applicant | Johnson Electric Industrial Manufactory Limited |
| Certified Products | Transformers for switch-mode power supply |
| Type Specification | 1) KB2141-30107, 2) BCK1301-692 Class B, P2, Altitude: ≤ 2000m, IIIa, Details, please see below model list |
| Issue Date | 2024/7/24 |
| Directives | |
| Standards | IEC 61558-2-16:2009, AMD1:2013 used in conjunction with IEC 61558-1:2005, AMD1:2009 |
| Remark |