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A transformer does not use, it transforms voltage from one value to another. The output amperage is governed by the connected load. If the load wattage is higher than the wattage rating of the transformer then either the primary or secondary fuse will blow or the transformer will burn up if the fusing is of the wrong sizing. The maximum primary amperage can be found by using the following equation, Amps = Watts/Volts, A = W/E = 600/120 = 5 amps. The same equation is used for the calculating the maximum secondary amperage, A = W/E = 600/12 = 50 amps.

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8y ago
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13y ago

Amps * Volts = Watts

1 Amp * 12 Volts = 12 Watts.

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11y ago

5 amps.

This is determined by using a variation of ohm's law.

Amps = Watts / Volts

or

5 Amps = 600 Watts / 120 Volts

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12y ago

600 watts @ 12 volts is 50 ampers

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10y ago

12volts at 180 watts to amps

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11y ago

5 amps

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3y ago

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Q: How many amps does a 12 volt 600 watt transformer use at 120 volts?
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How do you size a transformer based on amperage I have a 1 KVA single phase transformer I was told I can only put 4 amps across the secondary. This transformer is 240 volt primary 120 volt secondary?

On a 1kva you have 1000 watts capacity. To fine the current the formula is I = W/E. The secondary side of the transformer has the capacity of 1000/120 = 8.3 amps. In your question you do not put the amps across the secondary you draw amps from it. Using the transformer to its maximum, without overloading it, the primary will be 4.16 amps at 240 volts and the secondary will be 8.33 at 120 volts. <<>> voltage times amps equals wattage


How do you compute the 2000 watts in 220 volt to how many amps?

watts = volts * amps--> Amps = watts/ volts therefore; 2000/220= 9.09 amps


How many amperes in a watt and how many watts in a volt?

Amps, volts and watts are interrelated, but you need to do a little math. Amps * Volts = Watts


How much current can a 50 volt ampere 36volt transformer deliver?

I (Amps) = VA / E (Volts) I = 50 / 36 I = 1.39A Do the math!


What does 40 VA mean in a transformer?

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What size of 12v transformer will run 600watts?

Amps * Volts = Watts Amps * 12 = 600 600/12 = Amps = 50 amps You would need a reserve capacity, so I'd go somewhere between 60 or 100 Amp rated transformer. Transformers are rated in volt-amps which is usually calculated the same as watts. But the term "watts" technically does not apply to transformers. So you need a 600 volt-amp transformer or, as Redbeard has suggested, you need an 800 or 1000 volt-amp transformer. That's a lot of amps for a 12 volt system so I recommend you double check your requirements. You will need a #2 gauge wire if your requirements are correct.


Does a transformer convert the current from 240 volts to 120 volt?

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Is it safe to use a 125volt 15a converter for 220 volt devices in a 120 volt country?

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5000 watts at 240 volt will draw how many amps?

To find amps if watts and volts are known, use the formula; watts / volts = amps or 5000 / 240 = 20.83 amps