Model: MD6FUV 100-300V 

>    Function: Under/Over frequency monitoring

>    Rated voltage: 100-300V AC

>    Frequency range: 42-68Hz

>    Relay output: 2 c/o

>    Switching capacity: 8A, 250V AC

Panel caption:

PW: power supply indication, AL: alarm indication, R: relay status indication, Function mode: (M: memory, NM: none memory, 50/1: 50Hz ×1 ratio, 60/1: 60Hz ×1 ratio, 50/.2: 50Hz ×0.2 ratio, 60/.2: 60Hz ×0.2 ratio), <F: under-frequency threshold setting, >F: over-frequency threshold setting, Tt: delay setting (0.1-30s)

MD6FUV 100-300V specification

Relevant model: MD6FUV 200-600V

MD6FUV 200-600V specification