Lincoln Electric SQUARE WAVE TIG 275 IM609-B Operator's Manual page 9

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TECHNICAL SPECIFICATIONS - Square Wave TIG 275 (K1618-1)
Input Current at
Standard
40% Duty Cycle
Voltage
DC STICK,
DC TIG,
220/380/415/1/50/60
BALANCED AC TIG
99/57/52
RATED OUTPUT & ADDITIONAL OUTPUT CAPACITY
Duty Cycle
40% Duty Cycle AC/DC Stick
NEMA Class II (40) AC/DC TIG
60% Duty Cycle AC/DC Stick
AC/DC TIG
100% Duty Cycle AC/DC Stick
AC/DC TIG
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
Input Fuse Input
Voltage / (Super Lag) Amperes
phase/ or Breaker
(1)
Frequency Size
220/1/50/60 125 106
380/1/50/60 70
415/1/50/60 70
(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.
Height
Power 24.06 in.
611 mm
Source
Lift Hook add 3.57" (91 mm)
Power Source 33.40 in.
on 848 mm
Undercarriage
INSTALLATION
INPUT - SINGLE PHASE ONLY
Input Current at
60% Duty Cycle
DC STICK,
UNBALANCED AC TIG DC TIG,
BALANCED AC TIG
139/79/72 83/45/421
Amps Volts at Rated Amperes
275 A
255 A
225 A
200 A
175 A
150 A
RECOMMENDED INPUT WIRE AND FUSE SIZES
Type 75°C Type 75°C
Copper Wire in Copper Ground
Conduit AWG Wire in
(IEC) Sizes Conduit AWG
40°C (104°F) Ambient (IEC) Sizes
4 (21.2 mm 2 ) 6 (13.3 mm 2 )
8 (8.4 mm 2 ) 8 (8.4 mm 2 )
60
8 (8.4 mm 2 ) 8 (8.4 mm 2 )
55
PHYSICAL DIMENSIONS
Width
19.15 in.
486 mm
27.65 in.
702 mm
SQUARE WAVE TIG 275
Input Current at
100% Duty Cycle
DC STICK,
UNBALANCED AC TIG DC TIG, UNBALANCED AC TIG
BALANCED AC TIG
12/64/59 63/36/33 86/49/45
Current Range
31.0 V 5-315 Amps
20.2 V
29.0 V MAX O.C.V.
18.0 V AC & DC 80V
27.0 V Normal O.C.V.
16.0 V 72 V (AC) 59 V (DC)
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
Fuse Input
(Super Lag) Amperes
or Breaker
(1)
Size
175 139
90 79
90 72
Depth
28.00 in.
711 mm
40.65 in.
1033 mm
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Code
Idle Current Idle Power
Number
8/6/5 900 WMax. 10524
Auxiliary Power
220 Volts AC, 2 Amps
Schuko Receptacle
and 2 Amp Circuit Breaker
Type 75°C Type 75°C
Copper Wire in Copper Ground
Conduit AWG Wire in
(IEC) Sizes Conduit AWG
40°C (104°F) Ambient (IEC) Sizes
3 (25.0 mm 2 ) 6 (13.3 mm 2 )
6 (13.3 mm 2 ) 8 (8.4 mm 2 )
6 (13.3 mm 2 ) 8 (8.4 mm 2 )
Weight
Approx. 340 lbs.
154 kg.
Approx. 385 lbs.
175 kg.