KS certificate is not only product cert, but also quality assurance cert, annually checked by official organization in Korea, Republic Of. It includes equivalent standard of ISO 9001, IEC(61347-1, 61347-2-13) and CISPR of IECEE standards.
C sector of KS C is Electrical&electronic engineering(C), and next XXXX(4-digit number) is specific product category. 7655 is, as described above, electronic controlgear for LED(such as LED driver, converter..).
For more information, please visit, https://eng.ksa.or.kr