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INSTALLATION
A-1 A-1
SQUARE WAVE TIG 355
TECHNICAL SPECIFICATIONS - SQUARE WAVE TIG 355
INPUT - SINGLE PHASE ONLY
Input Voltages: 208 230 460 575
Input Currents
@ 350A/34 VDC 110 100 50 40
RATED OUTPUT
Duty Cycle Amps Volts at Rated Amperes
40% Duty Cycle 350 34 v
60% Duty Cycle 300 32 v
100% Duty Cycle 220 29 v
OUTPUT
Maximum Open Continuous
Circuit Voltage Current Range Auxiliary Power
80 Volts Max. 2-400 Amps AC and DC 115 VAC
15 Amps Continuous
RECOMMENDED INPUT WIRE AND FUSE SIZES
Type 75°C Type 75°C
Fuse Input Type75°C Copper Ground Type 75°C Copper Ground Fuse
Input (Super Lag) Ampere Copper Wire in Wire in Conduit Copper Wire in Wire in Conduit (Super LAG)
Voltage / or Breaker Rating on Conduit AWG AWG (IEC) Input Conduit AWG AWG (IEC) or Breaker
Frequency Size Nameplate (IEC) Sizes Sizes Amperes (IEC) Sizes Sizes Size
208/60 150 110 4 (25mm
2
) 6 (16mm
2
) 148 2 (35mm
2
) 6 (16mm
2
) 200
230/60 125 100 6 (16mm
2
) 6 (16mm
2
) 134 2 (35mm
2
) 6 (16mm
2
) 175
460/60 60 50 8 (10mm
2
) 10 (6mm
2
) 67 6 (16mm
2
) 8 (10mm
2
)80
575/60 50 40 8 (10mm
2
) 10 (6mm
2
) 54 6 (16mm
2
) 8 (10mm
2
)70
PHYSICAL DIMENSIONS
Height Width Depth Weight
884 mm 565 mm 660 mm 232 kg
34.84 in. 22.25 in. 26.00 in. 510 lbs.
OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE
0° to 40°C -50° to 85°C
For all Stick, DC TIG, and Balanced AC TIG
Welding at 350A/34V/40% Duty Cycle Based
on the 1990 U.S. National Electrical Code
For Unbalanced AC TIG Welding Above 230 Amps,
300/32V/60% Duty Cycle, Unbalance Based on the
1990 U.S. National Electrical Code