제품정보 > WOODWARD > Protection Relay MRU4 Voltage and Frequency Protection 상세정보 MRU4 can be used in industrial and utility distribution systems, to supervise voltage and frequency fluctuations, for monitoring and for load shedding and load restoration. ANSI : 27, 59, 59N, 81U/O, 60FL, 47, 86, 74TC , 81R, 78, ROCOF, 25 목록으로