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45-50 amps. But your overcurrent protection and wire must be designed for 125% of load so the max overcurrent protection is 55 amps or 60

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12y ago
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6mo ago

A 10kW heater at 220V would draw approximately 45.45 amps. This can be calculated using the formula: Amps = Watts / Volts. So, 10,000 Watts / 220 Volts = 45.45 amps.

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Q: 10kw heater at 220V draws how many amps?
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How many amps does a 10kw heater draw that's 3phase 220volt?

To calculate the amperage for a 10kW heater on a 3-phase 220V system, use the formula: Amps = (kW x 1000) / (√3 x Volts). So, Amps = (10 x 1000) / (√3 x 220) = 26.18 amps per phase. Therefore, the total current drawn by the heater is 26.18 amps per phase multiplied by 3, which equals approximately 78.54 amps.


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To find the amperage, use the formula: Power (W) = Voltage (V) x Current (A). Rearranging the formula to solve for current gives: Current (A) = Power (W) / Voltage (V). So, with 10kW at 220V, the current drawn would be 45.45A.


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