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fuse rating required

Posted: 11 Mar 2009, 22:00
by Ray
Am installing flip down dvd/tv what fuse rating required to protect it. 12v <25w. Cant remenber the calculation.

Re: fuse rating required

Posted: 11 Mar 2009, 22:04
by AngeloEvs
3amp should be fine.

Re: fuse rating required

Posted: 11 Mar 2009, 22:14
by jason.nazen
Watts (VA) = Volts x Amps

Therefore 25W / 12V = 2.1A

On DC with a screen no inrush or Power Factor issues so 3A will be good

Cheers

Jason

Re: fuse rating required

Posted: 12 Mar 2009, 14:05
by Ray
Cheers, thanks all