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  MK201A DT Earth Fault Relay User's

  Guide 

   A  BRIEF  OVERVIEW

a

b

c

d

h

g

f

e

                                                                                                                        

                                                                                                                        

          

a  -  Auxiliary power supply indicator

b  -  High-set start/trip status indicator

c  -  Low-set start/trip status indicator

d  -  Earth-fault high-set adjustment

e  -  Trip reset button

f   -  Test button

g  -  Earth-fault low-set adjustment

h  -  Delay time adjustment

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