Miller Electric 440 Welder User Manual


 
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.
WELDING AMPERES
% DUTY CYCLE
600
500
400
300
30 40 50 60 70 80 90100
200
3525
Rated Output
100
340
600
500
400
300
30 40 50 60 70 80 90100
700
3525
Rated Output
200
440
WELDING 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