Single Phase Transformer Full Load Amps

To find the full load current in amps for your transformer in a 1 phase circuit, use your transformer's kVA Rating and Voltage and the equation or chart below.

Single Phase Transformer Full Load Current Equation

Single Phase kVA = Volts x Amps / 1000

Single Phase Transformer Full Load Current Chart

120V

208V

240V

277V

480V

600V

kVA Rating 120V 208V 240V
0.050 0.42 0.24 0.21
0.100 0.83 0.48 0.42
0.150 1.25 0.72 0.63
0.250 2.08 1.20 1.04
0.500 4.17 2.40 2.18
0.750 6.25 3.61 3.13
1.000 8.33 4.81 4.17
1.500 12.50 7.21 6.25
2.000 16.67 9.62 8.33
3.000 25.00 14.42 12.50
5.000 41.67 24.04 20.83
7.500 62.50 36.06 31.25
10.000 83.33 48.08 41.67
15.000 125.00 72.12 62.50
25.000 208.33 120.19 104.17
kVA Rating 277V 480V 600V
0.050 0.18 0.10 0.08
0.100 0.36 0.21 0.17
0.150 0.54 0.31 0.25
0.250 0.90 0.52 0.42
0.500 1.81 1.04 0.83
0.750 2.71 1.56 1.25
1.000 3.61 2.08 1.67
1.500 5.42 3.13 2.50
2.000 7.22 4.17 3.33
3.000 10.30 6.25 5.00
5.000 18.05 10.42 8.33
7.500 27.08 15.63 12.50
10.000 36.10 20.83 16.67
15.000 54.15 31.25 25.00
25.000 90.25 52.08 41.67

Shop Single Phase Transformers

Single Phase Enclosed Dry Type Transformer

enclosed dry type transformer single phase

Shop Dry Type Transformers

Single Phase Ventilated Transformer

Single phase ventilated transformer

Shop Ventilated Transformers

Single Phase Control Transformer

single phase control transformer

Shop Control Transformers

Related Reference Pages:

Warning: When using this information to perform electrical work, call a licensed electrician and consult the NEC® for safety. All licensed electricians have passed examinations covering the National Electric Code®, know state and local building codes, and may carry insurance to cover damages.