Section 4 − Installation; Specifications; Duty Cycle And Overheating - Miller SRH-444 Mode D'emploi

4-1. Specifications

Rated Welding Rated Welding
Output
Model
400 A @ 36
400 Amp Volts DC, 60 Hz,
60% Duty Cycle
*While idling

4-2. Duty Cycle And Overheating

Overheating
OM-2230 Page 12
SECTION 4 − INSTALLATION
Amp Range Amp Range Max OCV Max OCV
DC DC
IP Rating
A (Low)
30 − 280
75
B (High)
50 − 500
60% Duty Cycle At 400 Amperes
6 Minutes Welding
0
Minutes
Amperes Input at Rated Load Output,
60 Hz, Three-Phase
208 V 230 V
89 80
23M
5.8* 5.3*
4 Minutes Resting
15
OR
Reduce Duty Cycle
460 V 575 V KVA
40
32
31.9
2.6* 2.1*
2.1*
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
warranty.
V
duty1 4/95 / 201 442 / Ref. 144 523-B
KW
19.6
0.8*
void