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Overload protection circuit surgestion

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Hi All

I need some surgestions for a overload protection circuit. I have this piece of schematic, and need some ideas on how to make a circuitm, which will turn off (relay) if the effect in the circuit is above 2kW.

Electronics4you
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panic mode

Well-Known Member
just install overload relay. power is product of voltage and current
if you can ensure that neither voltage nor current do not exceed limits, you are ok. just google for "overload relay", click on Images to see what they look like:
https://www.newark.com/product-details/text/catalog/Images/Web1/96F1523-30.jpg

(overload relay is lower part in the picture)

as you can see they mount right into a contactor (which is type of relay).
note that overload relays have little dial so you can set trip current.

https://www.newark.com/product-details/text/catalog/2364.html
 

panic mode

Well-Known Member
this is how overload looks like
**broken link removed**
 

panic mode

Well-Known Member
SMD? after you put relay for 10Amp, 230VAC circuit???
well anyway, the idea is to trip circuit when current exceeds
certain limit. this can be done in number of different ways.
for SMD solution check Allegro's line of product. Here is one
you might be interested in:
**broken link removed**
 
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