电流保护装置 meaning in Chinese

current protection
galvanic protector

Practical application guidelines for leakage current protection devices
泄漏电流保护装置的实施导则
Application of residual current operated protective devices in household
剩余电流保护装置在住宅中的应用
Amendment 1 - residual current - operated protective devices for household and similar use - electromagnetic compatibility
家用和类似用途剩余电流保护装置.电磁兼容性.修改件1