Miller Electric OM-227 398D - Manual (Page 9)

OM-227 398 Page 5
SECTION 3 − INTRODUCTION
3-1. Specifications
Model Welding Output Range Electrode
Wire Diameter
Capacity
Wire Feed
Speed Range
Net Weight
(Torch Only)
XR-Aluma-Pro Gun
(Air Cooled)
300 A at 100% Duty Cycle
with 15, 25 or 35 ft
(4.6 or 7.6 m) gun
.030 To 1/16 in
(0.8 To 1.6 mm)
aluminum wire
70 To 900 ipm
(1.8 To 23 mpm)
2.5 lb (1.1 kg)
(less cables)
XR-Aluma-Pro Gun
(Water Cooled)
400 A at 100% Duty Cycle
with 15, 25 or 35 ft
(4.6 or 7.6 m) gun
.030 To 1/16 in
(0.8 To 1.6 mm)
aluminum wire
70 To 900 ipm
(1.8 To 23 mpm)
2.9 lb (1.3 kg)
(less cables)
.
When changing 1/16 in (1.6 mm) wire, kit 230708 must be installed.
3-2. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
sduty1 5/95
Continuous Welding
Air-Cooled Models
Water-Cooled Models
Continuous Welding
100% Duty Cycle At 300 Peak Amperage Using 100% Argon Gas w/15, 25 Or 35 Foot Guns
100% Duty Cycle At 400 Peak Amperage Using 100% Argon Gas w/15, 25 Or 35 Foot Guns