Section 3 − Specifications; Wire Feeder Specifications; Gun Specifications; Duty Cycle And Overheating - Miller Electric XR A Owner's Manual

3-1. Wire Feeder Specifications

Specification
Type Of Input Power
Control Circuit Voltage Provided At Gun
Wire Feed Speed Range
Overall Dimensions
Maximum Spool Capacity
Cooling Method
Weight (Feeder With Gun)

3-2. Gun Specifications

Specification
Input Voltage
Duty Cycle (Air-Cooled Models)
Duty Cycle (Water-Cooled Models)
Wire Size Range

3-3. Duty Cycle And Overheating

100% Duty Cycle At 200 Amperes Using Argon
Continuous Welding
SECTION 3 − SPECIFICATIONS
115 Volts AC, 3 Amperes At 50/60 Or 100 Hz Power
30 Volts DC
70-875 ipm (1.9-22.2 mpm)
Length: 19 in (483 mm); Width: 9-1/4 in (235 mm); Height: 15-1/4 in (387 mm)
12 in (305 mm)
Air-Cooled (A Models) Or Water-Cooled (W Models)
Models With 15 ft (4.6 m) Cable Assembly
Net: 56 lb (25 kg); Ship: 58 lb (26 kg)
Models With 30 ft (9.1 m) Cable Assembly
Net: 63 lb (29 kg); Ship: 65 lb (30 kg)
30 Volts DC
At 200 Amperes, 100% Using Argon Or Argon Mixture Shielding Gas
At 250 Amperes, 60% Using Argon Or Argon Mixture Shielding Gas (See
Section 3-3)
At 400 Amperes, 100% Using Argon Or Argon Mixture Shielding Gas (See Sec-
tion 3-3)
.030 Thru 1/16 in (0.8 Thru 1.6 mm) Aluminum Wire
.030 Thru .045 in (0.8 Thru 1.1 mm) Hard Or Cored Wire
Air-Cooled Models
Water-Cooled Models
100% Duty Cycle At 400 Amperes Using Argon
Continuous Welding
Description
Description
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
60% Duty Cycle At 250 Amperes Using Argon
6 Minutes Welding
damage unit and void
warranty.
4 Minutes Resting
OM-1581 Page 9