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Miller WC-115A Manuel Du Propriétaire page 15

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3-1. Specifications
AC Input Power
1-Phase
115 Volts,
2 Amperes,
50/60 Or 100 Hz
3-2. Typical Process Connections
.
Use gun Owner's Manual when making connections.
Constant current and/or
constant voltage transformer
and engine-driven DC power
sources. If the power source
does not have a weld output
contactor, the optional
contactor kit should be
ordered.
Weld Power Cable* (Not Included)
10 ft (3 m) Contactor Cord**
10 ft (3 m) 115 VAC Power Cord
3-3. Weld Output Terminals And Selecting Cable Sizes
NOTICE − The Total Cable Length in Weld Circuit (see table below) is the combined length of both weld cables. For example, if the power source is
100 ft (30 m) from the workpiece, the total cable length in the weld circuit is 200 ft (2 cables x 100 ft). Use the 200 ft (60 m) column to determine cable
size.
Weld Output
Terminals
801 487-A
This chart is a general guideline and may not suit all applications. If cable overheats, use next size larger cable.
*
**Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.
2
( ) = mm
for metric use
***For distances longer than those shown in this guide, call a factory applications rep. at 920-735-4505 (Miller) or 1-800-332-3281 (Hobart)
SECTION 3 − INSTALLATION
DC Output For
Welding Power
Control
Source Type
Circuit
Constant Current
(CC) Or Constant
Voltage (CV) DC,
30 Volts
With Or Without
Contactor
Gas Hose
Control Cord
115 Volt
Control
Weld Power Cable
Total Cable (Copper) Length In Weld Circuit Not Exceeding
100 ft (30 m) Or Less
10 − 60%
Welding
Duty
Amperes
Cycle
2
AWG (mm
)
AWG (mm
100
4
150
3
200
3
250
2
300
1
Weld Circuit
Rating
100 Volts, 200
Amperes, 100%
Duty Cycle Using
Argon Shielding
Gas
Voltage Sensing Lead For CC Mode
(Factory Supplied − Customer Installed)
*See Section 3-3 for
recommended cable sizes.
**Contactor cord only supplied with
unit not equipped with contactor.
150 ft
200 ft
(45 m)
(60 m)
60 − 100%
Duty
Cycle
2
)
4
4
3
3
2
1
2
1
1/0
1
1/0
2/0
1/0
2/0
3/0
Overall Dimensions
Length: 12-1/4 in.
(311 mm)
Width: 9-1/4 in.
(235 mm)
Height: 8-5/8 in.
(219 mm)
250 ft
300 ft
350 ft
(70 m)
(90 m)
(105 m)
10 − 100% Duty Cycle
2
AWG (mm
)
2
1
1/0
2/0
2/0
3/0
3/0
4/0
2-2/0
4/0
2-2/0
2-3/0
Ref. S-0007-G 2009−08
Weight
20 lb
(9 kg)
Work
400 ft
(120 m)
1/0
1/0
3/0
3/0
4/0
4/0
2-2/0
2-3/0
OM-1078 Page 11

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