% DUTY CYCLE
Duty cycle 100% at 450 Amp.
2-1 VOLT-AMPERE CURVES.
2
Definition:
Duty Cycle is percentage of 10 minutes that unit can
weld at rated load without overheating.
The volt-ampere curves show the minimum and maximum voltage and amperage output capabilities of the welding power
source. Curves of other settings fall between the curves shown.
2-2 DUTY CYCLE.
EXCEEDING DUTY CYCLE CAN DAMAGE UNIT OR GUN TORCH AND VOID WARRANTY.
CAUTION
100 % Duty cycle.
Continuous welding.
W
E
L
D
A
M
P
E
R
E
S
10
0
MINUTES
100
0
20
500
300
700
900
200
600
400
800
10
30
50
40
60
70
80
MAX.
MIN.
GMAW
FCAW
CD AMPERES
D
C
VO
L
T
S
450 A
30
200
300
600
400
800
1000
50
60
70
80
100 C.T.
90
