A-2
INSTALLATION
SQUARE WAVE TIG 275
A-2
TECHNICAL SPECIFICATIONS - Square Wave TIG 275 (K1618-1)
For AC/DC Stick, DC TIG and Balanced AC TIG
Welding at 275A 40% Duty Cycle
w/o Optional K1620-1 Power Factor Capacitors
Based on the 1996 U.S. National Electrical Code
For Unbalanced AC TIG Welding above 180A,
255A 40% Duty Cycle, Maximum Penetration
w/o Optional K1620-1 Power Factor Capacitors
Based on the 1996 U.S. National Electrical Code
INPUT - SINGLE PHASE ONLY
RECOMMENDED INPUT WIRE AND FUSE SIZES
Input
Voltage /
phase/
Frequency
220/1/50/60
380/1/50/60
415/1/50/60
Input
Amperes
106
60
55
Type 75°C
Copper Ground
Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm
2
)
8 (8.4 mm
2
)
8 (8.4 mm
2
)
Fuse
(Super Lag)
or Breaker
Size
(1)
125
70
70
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F) Ambient
4 (21.2 mm
2
)
8 (8.4 mm
2
)
8 (8.4 mm
2
)
Type 75°C
Copper Ground
Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm
2
)
8 (8.4 mm
2
)
8 (8.4 mm
2
)
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F) Ambient
3 (25.0 mm
2
)
6 (13.3 mm
2
)
6 (13.3 mm
2
)
Input
Amperes
139
79
72
Height Width Depth Weight
Power 24.06 in. 19.15 in. 28.00 in. Approx. 340 lbs.
Source
611 mm 486 mm 711 mm 154 kg.
Lift Hook add 3.57” (91 mm)
Power Source 33.40 in. 27.65 in. 40.65 in. Approx. 385 lbs.
on 848 mm 702 mm 1033 mm 175 kg.
Undercarriage
PHYSICAL DIMENSIONS
Fuse
(Super Lag)
or Breaker
Size
(1)
175
90
90
(1)
Also called “inverse time” or “thermal/magnetic” circuit breakers; circuit breakers which have a delay in tripping action that decreases as the magnitude of cur-
rent increases.
Code
Number
10524
Input Current at Input Current at Input Current at Idle Current Idle Power
40% Duty Cycle 60% Duty Cycle 100% Duty Cycle
DC STICK, DC STICK, DC STICK,
DC TIG,
UNBALANCED AC TIG
DC TIG,
UNBALANCED AC TIG
DC TIG,
UNBALANCED AC TIG
BALANCED AC TIG BALANCED AC TIG BALANCED AC TIG
99/57/52 139/79/72 83/45/421 12/64/59 63/36/33 86/49/45 8/6/5 900 WMax.
Standard
V
olta
ge
220/380/415/1/50/60
RATED OUTPUT & ADDITIONAL OUTPUT CAPACITY
Duty Cycle Amps Volts at Rated Amperes Current Range Auxiliary Power
40% Duty Cycle AC/DC Stick 275 A 31.0 V 5-315 Amps 220 Volts AC, 2 Amps
NEMA Class II (40) AC/DC TIG 255 A 20.2 V Schuko Receptacle
and 2 Amp Circuit Breaker
60% Duty Cycle AC/DC Stick 225 A 29.0 V MAX O
.C.V.
AC/DC TIG 200 A 18.0 V AC & DC 80V
100% Duty Cycle AC/DC Stick 175 A 27.0 V Normal O.C.V.
AC/DC TIG 150 A 16.0 V 72 V (AC) 59 V (DC)
