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INSTALLATION
A-2 A-2
SQUARE WAVE TIG 275
TECHNICAL SPECIFICATIONS - Square Wave TIG 275
For all 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
208/1/60
230/1/60
460/1/60
575/1/60
Input
Amperes
111
100
50
40
Type 75°C
Copper
Ground Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm
2
)
6 (13.3 mm
2
)
10 (5.3 mm
2
)
10 (5.3 mm
2
)
Fuse
(Super Lag)
or Breaker
Size
(1)
125
125
60
50
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F) Ambient
4 (21.2 mm
2
)
4 (21.2 mm
2
)
8 (8.4 mm
2
)
10 (5.3 mm
2
)
Type 75°C
Copper
Ground Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm
2
)
6 (13.3 mm
2
)
8 (8.4 mm
2
)
10 (5.3 mm
2
)
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F) Ambient
3 (25.0 mm
2
)
3 (25.0 mm
2
)
8 (8.4 mm
2
)
8 (8.4 mm
2
)
Input
Amperes
130
120
61
49
Height Width Depth Weight
Power 24.06 in. 19.15 in. 28.00 in. Approx. 330 lbs.
Source
611 mm 486 mm 711 mm 150 kg.
Lift Hook add 3.57” (91 mm)
Power Source 33.40 in. 27.65 in. 40.65 in. Approx. 375 lbs.
on 848 mm 702 mm 1033 mm 170 kg.
Undercarriage
PHYSICAL DIMENSIONS
Fuse
(Super Lag)
or Breaker
Size
(1)
150
150
70
60
(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
10523
10525
Input Current at Input Current at Input Current at Idle Current Idle Power
40% Duty Cycle 60% Duty Cycle 100% Duty Cycle
DC AC DC AC DC AC
95/86/43 130/120/61 76/69/34 106/97/50 57/52/26 82/75/38 5/4/2 900 W Max.
43/35 61/49 34/28 50/41 26/21 38/31 2/1.5 900 W Max.
Standard
Voltage
208/230/460/1/60 (K1617-1)
460/575/1/60 (K1617-2)
RATED OUTPUT & ADDITIONAL OUTPUT CAPACITY
Duty Cycle Amps Volts at Rated Amperes Current Range Auxiliary Power
40% Duty Cycle DC TIG & AC/DC Stick 275 A 31.0 V 5-315 Amps 115 Volts AC, 10 Amps
NEMA Class II (40) AC TIG 255 A 16.1 V Grounded NEMA-5-15R
Receptacle and
60% Duty Cycle DC TIG & AC/DC Stick 225 A 29.0 V MAX O.C.V
. 10 Amp Circuit Breaker
AC TIG 200 A 15.4 V AC & DC 80V
100% Duty Cycle DC TIG & AC/DC Stick 175 A 27.0 V Normal O.C.V.
AC TIG 150 A 14.8 V 72 V (AC) 59 V (DC)