Choosing the right transformer for your Isolated Power System is important to make sure you don’t overload it and have a critical failure in your Operating Room.
The amount of load you can place on your Isolated Power System is determine by the transformer.
![Isolated_Power_System_Transformer Isolated Power System Transformer](https://i0.wp.com/mainproips.com/wp-content/uploads/2024/04/Isolated_Power_System_Transformer-rotated.jpg?fit=245%2C327&ssl=1)
The wire gauges below are for 75oC rated copper wire.
120V Secondary
5 kVA Transformers
Input Volts
208
Input Amps
25
Input Wire Ga
10
Output Volts
120
Output Amps
41
Output Wire Ga
8
Input Volts
240
Input Amps
21
Input Wire Ga
10
Output Volts
120
Output Amps
41
Output Wire Ga
8
Input Volts
277
Input Amps
19
Input Wire Ga
12
Output Volts
120
Output Amps
41
Output Wire Ga
8
120V Secondary
7.5 kVA Transformers
Input Volts
208
Input Amps
37
Input Wire Ga
8
Output Volts
120
Output Amps
62
Output Wire Ga
6
Input Volts
240
Input Amps
32
Input Wire Ga
8
Output Volts
120
Output Amps
62
Output Wire Ga
6
Input Volts
277
Input Amps
28
Input Wire Ga
10
Output Volts
120
Output Amps
62
Output Wire Ga
6
120V Secondary
10 kVA Transformers
Input Volts
208
Input Amps
49
Input Wire Ga
8
Output Volts
120
Output Amps
83
Output Wire Ga
4
Input Volts
240
Input Amps
42
Input Wire Ga
8
Output Volts
120
Output Amps
83
Output Wire Ga
4
Input Volts
277
Input Amps
37
Input Wire Ga
8
Output Volts
120
Output Amps
83
Output Wire Ga
4
208V Secondary
10 kVA Transformers
Input Volts
208
Input Amps
49
Input Wire Ga
8
Output Volts
208
Output Amps
48
Output Wire Ga
8
Input Volts
240
Input Amps
42
Input Wire Ga
8
Output Volts
208
Output Amps
48
Output Wire Ga
8
Input Volts
277
Input Amps
37
Input Wire Ga
8
Output Volts
208
Output Amps
48
Output Wire Ga
8
208V Secondary
15 kVA Transformers
Input Volts
208
Input Amps
73
Input Wire Ga
4
Output Volts
208
Output Amps
72
Output Wire Ga
4
Input Volts
240
Input Amps
63
Input Wire Ga
6
Output Volts
208
Output Amps
72
Output Wire Ga
4
Input Volts
277
Input Amps
55
Input Wire Ga
6
Output Volts
208
Output Amps
72
Output Wire Ga
4
208V Secondary
25 kVA Transformers
Input Volts
208
Input Amps
121
Input Wire Ga
1
Output Volts
208
Output Amps
120
Output Wire Ga
1
Input Volts
240
Input Amps
105
Input Wire Ga
2
Output Volts
208
Output Amps
120
Output Wire Ga
1
Input Volts
277
Input Amps
91
Input Wire Ga
3
Output Volts
208
Output Amps
120
Output Wire Ga