Hypertherm MAX200 Machine Torch Plasma Arc Cutting System User Manual Page 36

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3-8 MAX200 Instruction Manual
14
SETUP
Power Requirements
A separate line disconnect switch should be provided for each MAX200 power supply. The disconnect box should
be sized to the following requirements:
Rated Input
Input Current @ Recommended
Voltage Phase 30 kw Output
Fuse Size
200 VAC 3 108 amps 150 amps
208 VAC 3 104 amps 150 amps
220 VAC 3 98 amps 150 amps
380 VAC 3 57 amps 80 amps
400 VAC 3 56 amps 80 amps
415 VAC 3 52 amps 70 amps
480 VAC 3 45 amps 60 amps
600 VAC 3 36 amps 50 amps
Line Disconnect Switch
Use a primary line disconnect switch for each power supply. This disconnect switch allows you to turn the
power supply off quickly in an emergency situation. The switch should be located on a wall near the power
supply, and should be easily accessible to the operator. The interrupt level of the switch must be equal to or
exceed the continuous rating of the fuses. Refer to Power Requirements listed above.
Power Cables
Use AWG wire sizes as outlined by applicable local electrical codes. Wire sizes vary based on the distance
of the receptacle from the main box.
Use a 4-conductor Type SO input power cable with a conductor temperature rating of 60°C (140°F)
according to the following requirements:
Input Voltage Cable Size Current Rating
200 VAC 1/4 107 amps
208 VAC 1/4 107 amps
220 VAC 1/4 107 amps
380 VAC 4/4 69 amps
400 VAC 4/4 69 amps
415 VAC 4/4 69 amps
480 VAC 6/4 52 amps
600 VAC 8/4 39 amp
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