Miller Electric Welder SRH 444 User Manual

Issued April 2006 • Index No. DC/7.0  
Stick Welding  
Power Source  
SRH-444  
Heavy Industrial Applications  
Processes  
Input Power 3-Phase Power  
Steel Erection and Pipe Welding  
Stick (SMAW)  
Quick  
Rated Output 400 A at 36 VDC, 60% Duty Cycle  
Tank/Pressure Vessel Fabrication  
Maintenance/Repair/Construction  
Air Carbon Arc (CAC-A)  
Cutting and Gouging  
Weight 784 lb (356 kg)  
Specs  
Shipbuilding, Refineries, and Foundries  
Chemical and Steel Manufacturing Facilities  
®
The Power of Blue.  
Two wide amperage ranges for fine  
adjustment allows exact control of  
weld amperage.  
Superior arc welding performance  
provides outstanding Stick welding and  
eliminates the need for rewelds.  
Remote amperage control  
receptacle can easily connect  
remote amperage control.  
Infinite amperage control allows  
precise weld output adjustment; you  
always get the exact heat you need to  
produce a better weld.  
Superior 6010 Stick electrode  
performance offers reliable puddle  
control with open root, full-penetration  
welding.  
Easy-to-install running gear has  
large wheels for smoother mobility.  
Built-in Hot Startmakes it easy to  
start difficult-to-start Stick electrodes,  
such as E6010 and E7018.  
Control-circuit overload breaker allows  
for quick resetting and eliminates the  
need to keep fuses on hand.  
High/low output terminals conveniently let  
you choose between two different amperage  
ranges for improved output control.  
Specifications  
(Subject to change without notice.)  
Welding  
Amps Input at Rated Output, Three-Phase, 60 Hz  
Net  
Dimensions  
Rated Output  
Amperage Range  
208 V  
230 V  
460 V  
575 V  
KVA  
KW  
Weight  
400 Amps at 36 VDC,  
60% Duty Cycle  
H: 30-1/4 in (768 mm)  
W: 22-1/2 in (572 mm)  
D: 35-3/4 in (908 mm)  
30280  
50500  
89  
80  
40  
32  
31.9  
19.6  
784 lb  
(356 kg)  
Power source is warranted for 3 years, parts and labor.  
Original main power rectified parts are warranted for 5 years.  
Miller Electric Mfg. Co.  
An Illinois Tool Works Company  
1635 West Spencer Street  
Appleton, WI 54914 USA  
International Headquarters Web Site  
Phone: 920-735-4505  
USA FAX: 920-735-4134  
Canadian FAX: 920-735-4169  
International FAX: 920-735-4125  
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