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Electronics tech Anything to do with the electronics in a model. Lights, Radio, ESC, Servo, Basic electrical.


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Old 05-02-2017, 09:03 PM
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Default Switch & Fuse in Battery Circuit ?

I recently purchased a 4200XL ver 1.5 RC4WD excavator and someone recommended that I add an ON-OFF switch to isolate the battery (more convenient than unplugging all the time) and an in-line fuse for protection. I'm using a 6000mAh 3S lipo battery and am not sure how to calculate what amperage fuse and switch should be used.

Recommendations are greatly appreciated!

Thanks.

Ken
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Old 05-02-2017, 11:15 PM
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Default Re: Switch & Fuse in Battery Circuit ?

Not sure what that hyd pump has for amp draw, put a meter on it to see what it is & add 10amp cushion
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Old 05-03-2017, 12:16 AM
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Default Re: Switch & Fuse in Battery Circuit ?

What's your speed control rated at?
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Old 05-24-2017, 11:23 AM
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Default Re: Switch & Fuse in Battery Circuit ?

Lil Giants: Checked motor draw at hydraulic stall - it is 11A.
frizzen: Speed controller is rated at 60A.

So, a 20A fuse and switch should be okay for this?

Thanks for the help!

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