WHAT DO U MEAN BY THERMAL OVER LOAD RELAY& WHERE THEY ARE
BUSED
Answers were Sorted based on User's Feedback
Answer / suresh
on bimetalik strips will be bend one side when heat
devloped and it will be orderd to break the control ckt
its used in motor staters
Is This Answer Correct ? | 18 Yes | 2 No |
Answer / senthilkumar
What Mr.Suresh mentioned is correct. Only thing is
bimetalik strip starts bend only the load current exceeds
OLR set value.
Is This Answer Correct ? | 7 Yes | 1 No |
Answer / venkatesan.j
Thermal over load relay consists of bimetallic strip made
up of two metals one having high co-efficient of expansion
and the other metal having low co -efficient of
expansion ,such that when heated up the strip starts
bending . The soource of heat is provided by the load
current in the strip.
Is This Answer Correct ? | 3 Yes | 0 No |
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