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OM-356 Page 15
3-6. Weld Output Terminals And Selecting Cable Sizes
Y ARC WELDING can cause Electromagnetic Interference.
To reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor.
Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this welding machine is installed
and grounded according to this manual. If interference still occurs, the user must take extra measures such as moving
the welding machine, using shielded cables, using line filters, or shielding the work area.
Total Cable (Copper) Length In Weld Circuit Not Exceeding
100 ft (30 m) Or Less
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
Weld Output
Terminals
Welding
Amperes
10 – 60%
Duty
Cycle
60 – 100%
Duty
Cycle
10 – 100% Duty Cycle
100 4 4 4 3 2 1 1/0 1/0
150 3 3 2 1 1/0 2/0 3/0 3/0
200 3 2 1 1/0 2/0 3/0 4/0 4/0
250 2 1 1/0 2/0 3/0 4/0 2-2/0 2-2/0
300 1 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0
350 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0 2-4/0
Electrode
Work
400 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 2-4/0
Ref. ST-801 972
500 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-3/0
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
*Select weld cable size for pulsing application at peak amperage value.. S-0007-D
3-7. Remote 14 Receptacle
Socket* Socket Information
A 24 volts dc.
B Contact closure to A completes 24 volts dc contactor control circuit.
C Command reference; 0 to +10 volts dc output to remote control.
A
D Remote control/feedback circuit common.
AJ
E 0 to +10 volts dc input command signal from remote control.
B
K
I
C
L
NH
K Chassis common.
C
D
M
G
E
F
F Current feedback, 1 volt per 100 amperes.
Ref. ST-801 972
H Voltage feedback, 1 volt per 10 arc volts.
*The remaining sockets are not used.