Answer / elango k

it is based on the charaterstic of olr
100% to flc can be set it is normal
85% to flc can be set it is sharp
because an olr starts to work 115% of flc
for eg. if a motors flc is 100 amps
i am setting 85amps , the olr starts to work
at 100amps it trips the motor

Answer / balasubramaniyan.t

Overload setting in the thermal overload relay to be done based on the motor full load current.The setting current of the relay should not exceed the motor FLC.

Answer / veerendra

the overload relay setting is donr based on the value of
line current of the motor..
first calculate the line current & set the elay for the same..

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