전압 보호수준 Up(Voltage protection level) 썸네일형 리스트형 서지보호장치(SPD) 선정 및 설치에 관한 기술지침(E-112-2011) o 관련규격 및 자료 - IEC 60364-5-53: 2002. 6(Electrical installtions of buildings-Part 5: Selection and erection of electrical equipment -Section 534: Devices for protection against overvoltages) - IEC 61643-12: 2002. 2(Low-vlotage surge protective devices-Part 12: Surge protective devices connected to low-voltage power distribution systems-Selection and application principles) - KSC IEC 61643-12: 2005.. 더보기 이전 1 다음
