difference between x2 capacitor and rc snubber

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raman00084

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can i use a x2 capacitor to prevent relay contact sticking are i must use rc snubber only, then where to use x2 capacitor
kindly help thank you
 

Hi,

You will find this pdf gives a lot of good information on using the right device to protect the relay contacts; it all depends on the type of load the relay is controlling, resistive or inductive. ( see page 8 )
https://www3.panasonic.biz/ac/e_download/control/relay/common/catalog/mech_eng_cau_general.pdf

There are other devices you can use alongside or in place of such as Varistors.

Equally important, if not already fitted, is a diode across the relay coil.
 

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