How we calculate the Amp. rating of On/off switch if our final load is 20A DC

Thread Starter

sumit123

Joined Oct 28, 2013
11
Request to confirm how we calculate the minimum amp. rating of on/off switch is required if our final load is as follow:
Voltage 3.6V & Amp.18A.
 

AnalogKid

Joined Aug 1, 2013
8,209
To switch 18 A DC requires a switch rated for at least 18 A DC. For good long-term reliability it should be rated for at least 30 A. 40 A is preferable.

I realize that this is not the answer you want, but it is the answer to the question you asked.

ak
 
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