Voltage configurations

The plasma power supply automatically adjusts for correct operation at the current input voltage. You do not have to change or rewire components. But there are tasks you must do for correct installation.

For correct installation of the plasma cutting system:

To operate the plasma power supply at full output and at its rated duty cycle, you must make your electrical service the correct size. The tables that follow show the maximum rated output for typical input voltages. The output setting that you use relates to the thickness of the workpiece and the limit of the input power to the plasma power supply.

Note:

In certain applications, such as gouging, stretching the plasma arc is common. Using the recommended fuse sizes allows for spikes in input current during this process.

CSA/CE/CCC 200 V – 240 V (1-phase)

Input voltage at 50 Hz/60 Hz* 200 V – 240 V
Input current at rated output (45 A x 155 V = 6.9 kW) 40 A – 33 A
Input current during arc stretch 44 A – 36 A
Fuse (time-delay) 50 A
Voltage tolerance +20% to -15%

CSA 208 V (1-phase)

Input voltage 208 V
Input current at rated output (45 A x 155 V = 6.9 kW) 37 A
Input current during arc stretch 43 A
Fuse (time-delay) 50 A
Voltage tolerance +20% to -15%

CCC 220 V (1-phase)

Input voltage 220 V
Input current at rated output (45 A x 155 V = 6.9 kW) 35 A
Input current during arc stretch 39 A
Fuse (time-delay) 50 A
Voltage tolerance +20% to -15%

CE 230 V (1-phase)

Input voltage 230 V
Input current at rated output (45 A x 155 V = 6.9 kW) 34 A
Input current during arc stretch 37 A
Fuse (time-delay) 48 A
Voltage tolerance +20% to -15%

CCC 380 V (3-phase)

Input voltage 380 V
Input current at rated output (45 A x 145 V = 6.5 kW) 13 A
Input current during arc stretch 15 A – 20 A
Fuse (time-delay) 20 A
Voltage tolerance +20% to -15%

CE 400 V (3-phase)

Input voltage 400 V
Input current at rated output (45 A x 145 V = 6.5 kW) 12 A
Input current during arc stretch 15 A – 20 A
Fuse (time-delay) 20 A
Voltage tolerance +20% to -15%

CSA 480 V (3-phase)

Input voltage 480 V
Input current at rated output (45 A x 145 V = 6.5 kW) 10 A
Input current during arc stretch 12 A – 17 A
Fuse (time-delay) 20 A
Voltage tolerance +20% to -15%