DIN EN 50107-2-2005 无荷载额定输出电压大于1kV小于等于10kV的信号和发光放电管装置.第2部分:接地漏电和开路保护装置要求
Signs and luminous-discharge-tube installations operating from a no-load rated output voltage exceeding 1 kV but not exceeding 10 kV - Part 2: Requirements for earth-leakage and open-circuit protective devices; German version EN 50107-2:2005