Miller Electric 340 - Manual (Page 9)

OM-193 696 Page 5
SECTION 2 – INSTALLATION
2-1. Specifications
Rated Output
Max.
Open
Rated Input Amperage at Rated
Output
Model 100% 60% 45% 35%
Circuit
Voltage 230 V 380 V 400 V 520 V Dimension (mm)
Weight
(kg)
340
190 A
27.6 V
245 A
29.8 V
- -
320 A
32.8 V
68 55 A 32 A 32 A 23 A 510 x 650 x 1010 105
440
290 A
31.6 V
375 A
35 V
420 A
36.8 V
- - 78 80 A 47 A 47 A 34 A 600 x 730 x 1150 175
* While idling
2-2. Duty Cycle and Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
W
E
L
D
IN
G
AMPERES
% DUTY CYCLE
600
500
400
300
30 40 50 60 70 80 90100
200
35 25
Rated Output
100
340
600
500
400
300
30 40 50 60 70 80 90100
700
35 25
Rated Output
200
440
W
E
L
D
IN
G
AMPERES
% DUTY CYCLE
4.5 Minutes Welding 5.5 Minutes Resting 3.5 Minutes Welding 6.5 Minutes Resting
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes