本规范规定了具有电子过电流传感和控制功能的免跳闸机电功率控制器/继电器（EMPC）系列的一般要求，用于符合RTCA D0160 C版要求的电气系统。这些设备将用于保护交流和/或直流电气系统、母线馈线和电气设备。

This specification establishes general requirements for a family of trip-free Electromechanical Power Controller/Relays (EMPC) with electronic overcurrent sensing and control, intended for use in electrical systems conforming to RTCA, D0160 Revision C. These devices will be utilized for the protection of ac and/or dc electrical systems, bus feeders, and electrical equipment.