Miller Blue Thunder 343 Manual del usuario - Página 16

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3-6. Weld Output Terminals and Selecting Cable Sizes

Weld Output
Terminals
!
!
Turn off power before
Turn off power before
connecting to weld out-
put terminals.
!
Do not use worn, dam-
aged, undersized, or
poorly spliced cables.
poorly spliced cables.
Negative
Positive
Terminal
Terminal
804 944
2
Weld cable size (mm
) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.

3-7. Typical Connections For Stick (SMAW) Welding

OM-233 381 Page 12
Total Cable (Copper) Length In Weld Circuit Not Exceeding
100 ft (30 m) Or Less
10 − 60%
Welding
60 − 100%
Duty
Amperes
Duty Cycle
Cycle
100
20
150
25
200
25
250
35
150 ft
200 ft
(45 m)
(60 m)
20
20
25
25
35
50
35
50
50
35
50
70
250 ft
300 ft
350 ft
(70 m)
(90 m)
(105 m)
10 − 100% Duty Cycle
35
50
50
50
70
90
70
90
90
90
90
120
400 ft
(120 m)
50
90
90
120
Ref. S-0007-D
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