Specifications

CutMaster a120
OPERATION 4T-52 Manual 0-4989
Mild Steel
100A
Air Plasma / Air Shield
Shield Cap Maximum Life Shield Cup Tip
Starter Cartridge
Heavy Duty Starter
Cartridge
Electrode
9-8239 9-8237 9-8233
9-8213
9-8277
9-8232
Material
Thickness
Gas Pressure
(Air)
Arc Voltage
Torch
Working
Height
Travel Speed
Initial
Piercing
Height
Pierce Delay
Kerf Width
@ Rec.
Speed
(GA)
(in) inch
PSI
(torch lead
length)
Volts
(in)
(ipm) (in) (sec) (in)
1/4 0.250
75 (25')
75 (50')
114 0.16 85 0.18 0.00 0.08
3/8 0.375
112 0.16 70 0.18 0.20 0.09
1/2 0.500
115 0.16 40 0.18 0.30 0.10
5/8 0.625
123 0.16 30 0.18 0.40 0.10
3/4 0.750
127 0.16 20 0.18 0.80 0.11
1 1.000
133 0.16 12 Edge Start 0.12
1-1/4 1.250 135 0.16 8
Edge Start
0.12
Material
Thickness
Gas Pressure
(Air)
Arc Voltage
Torch
Working
Height
Travel Speed
Initial
Piercing
Height
Pierce Delay
Kerf Width
@ Rec.
Speed
(mm)
Bar
(torch lead
length)
Volts (mm) (mm/min) (mm) (sec) (mm)
6 114
4.1
2210
4.6 0.00
2.0
8 113
4.1
1960
4.6
0.10 2.2
10 112
4.1
1665
4.6
0.20 2.3
12 114
4.1
1185
4.6
0.30 2.4
15 121
4.1
830
4.6
0.40 2.5
20 128 4.1 475 5.0 0.80 2.8
25 133 4.1 315 Edge Start 2.9
30 134 4.1 230 Edge Start 3.1
BOLD TYPE indicates maximum piercing parameters. BOLD ITALIC indicates edge starts only.