To calculate the DC current draw from an inverter, use the following formula: Inverter Current = Power ÷ Voltage Where: If you're working with kilowatts (kW), convert it to watts before calculation: Inverter Current = 1000 ÷ 12 = 83. 33 Amps So, the inverter draws. . The current I in amps (A) is equal to 1000 times the power P in kilowatts (kW), divided by the voltage V in volts (V): The phase current I in amps (A) is equal to 1000 times the power P in kilowatts (kW), divided by the power factor PF times the RMS voltage V in volts (V): The phase current I in. . Commercial: 30K-3P-208V buildings. Allows for efficient DC coupling using the integrated 4x channel MPPT charge controller. Blazing fast 5ms transfer time with 200A grid relay allows for business continuity during grid outages. 33 Amps So, the inverter draws 83. . Using our kW to Amp calculator, you can convert DC, Single phase and three phase kilo Watts to Ampere Online. For that just fill the kW and Voltage value in the below two boxes and by pressing the calculating button to get the answer in Amps. The formula is given by: [ I = frac {P_i} {V_i times PF} ] (PF) is the power factor, a dimensionless number between 0 and 1 representing the. .