Hypertherm XPR300 Replacement Part Procedures

Plasma Power Supply
1
XPR300 Field Service Bulletin 809970 25
Replace the solid state relay

See Fans on page 121 for location and part number.
1. Complete the following procedures:
a. Remove the power from the cutting system.
b. See Remove the right-side (liquid-cooling-side) panel on page 60.

Keep all nuts and screws that you remove.
2. Loosen the wire screws and remove the wires.
3. Remove the 2 mounting screws .
4. Remove the solid state relay.
5. Use the 2 mounting screws to install the solid state relay with T1, 2 in the upper-left corner, as
shown.
6. Install the wires as shown and tighten the wire screws.
7. Install the right side panel.
1
T1
2
L1
1
A1 (+)
3
A2 (-)
4
3
4
2
1
White
Black
Red
Black
1
22
Output or load side Input or control side
2

Hypertherm XPR300 Specifications

General

Cutting Current	300 A
Duty Cycle	100% at 300 A
Technology	X-Definition Plasma
Gas Supply	Oxygen, Nitrogen, Air
Cutting Capacity (Mild Steel)	38 mm (1.5 in)
Severance Capacity (Mild Steel)	75 mm (3 in)
Pierce Capacity (Mild Steel)	50 mm (2 in)
Input Voltage	200–480 V, 3-PH, 50/60 Hz