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relay maximum current rating

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lukky61

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i have panel mount relay of 24 v and its coil resistance is 500 ohms,what is the current rating of relay
 

KlausST

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Hi,

Given is U = 24V, and R = 500 Ohms.
Now you want to calculate the current I.

The relationship between U, I and R is called Ohm's law.

It is the most important formula for any electrician and electronics technician.


Klaus
 

Vbase

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Being panel mounted the current rating of the relay is likely to be at least 15 amp at 230Vac . If the contact is 5mm wide it could be 30 amp rating.
 

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