Hypertherm Powermax 125 Service Manual

Powermax125 Service Manual 808070 127
8 – Troubleshooting and System Tests
Figure 15 – Power supply overview, all systems (power board removed)
1
2
3 4 5 6
7
8
9
10
1 Output snubber resistor
2 Output diode bridge
3 Pilot arc IGBT
4 Inverter snubber resistor
5 Inverter IGBT module
6 Bulk capacitors
7 Ground
8 Input diode bridge
9 Power switch (S1)
10 Optional serial board

Hypertherm Powermax 125 Specifications

General

Output Current	30-125 A
Input Power	15.2 kW
Open Circuit Voltage	300 VDC
Gas Supply	Clean, dry, oil-free air or nitrogen
Input Power Cable Length	10 ft (3 m)
Rated Output Current	125 A
Gas Type	Air or nitrogen
Cutting Capacity	1-1/4 inch (32 mm)
Pierce Capacity	1 inch (25 mm)
Input Voltage	200-600 V, 3-PH
Duty Cycle	100% @ 125 A
Certifications	CSA
Maximum Clean Cut Thickness	1-1/4 inch (32 mm)
Cooling Method	Fan-cooled
Torch Options	Hand