Hypertherm Powermax 125 Service Manual

182 Powermax125 Service Manual 808070
9 – Power Supply Component Replacement
Installing the machine interface cable
1. Do you need to change the setting on the voltage divider board?
 If yes, complete the following procedures:
i. See Disconnect the power and gas supply on page 166.
ii. See Remove the power supply cover on page 172.
iii. See Set the voltage divider board on page 181.
iv. See Connect the external machine cable to the CNC or THC, below.
v. See Install the power supply cover on page 172.
vi. Reconnect the power and gas supply.
 If no, continue with the Connect the external machine cable to the CNC or THC procedure, below.
Connect the external machine cable to the CNC or THC
1. Remove the machine interface receptacle’s cover from the rear of the power supply.

The cover on the machine interface receptacle prevents dust and moisture from damaging
the receptacle when not in use. This cover (127204) should be replaced if damaged or
lost.
2. Connect the machine interface cable CPC to the power supply. (See Figure 52 on page 183.)
3. Terminate the machine interface cable spade terminals inside the electrical enclosure of listed and certified torch
height controllers (THCs) or CNC controllers to prevent unauthorized access to the connections after installation.
Verify that the connections are correct and that all live parts are enclosed and protected before operating the
equipment.

The integration of Hypertherm equipment and customer-supplied equipment including
interconnecting cords and cables, if not listed and certified as a system, is subject to
inspection by local authorities at the final installation site.

See Connecting the machine interface cable on page 100 for more information on each
type of signal available through the machine interface cable and for the part numbers of
the various machine interface cables that Hypertherm offers.
Kit number Description
228350 Kit: External Machine interface cable (start, stop, arc transfer signals) for divided arc
voltage, 7.6 m (25 feet), spade connectors
228351 Kit: External machine interface cable (start, stop, arc transfer signals) for divided arc
voltage, 15 m (50 feet), spade connectors

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