Installation; Physical Dimensions - Lincoln Electric PRECISION TIG 275 Operator's Manual

A-2
Output Current Maximum Open
Range Circuit Voltage
2Amps DC
(STICK AND TIG)
to
AC/DC OCV: 75/68
*
340Amps AC-DC
For all Stick, DC TIG, and Balanced AC TIG Welding
at 275A/40% Duty Cycle with out Standard Power
Factor Correction Capacitors
Based on the 1999 U.S. National Electrical Code
Input
Input
Fuse Ampere
Voltage /
(Super Lag) Rating
phase/
or Breaker Rating on
Frequency 1
Size Nameplate
208/1/60
125
230/1/60 125
460/1/60
60
575/1/60
50
Height
31.0 in.
K2619-1, -2
787 mm
49.7 in.
K2618-1
1262 mm
OPERATING TEMPERATURE RANGE
-20°C to +40°C (-04° to +104°F)
TRANSFORMER INSULATION CLASS
1
ALSO CALLED ʻINVERSE TIME" OR "THERMAL/MAGNETIC " CIRCUIT BREAKERS; CIRCUIT BREAKERS WHICH HAVE A DELAY IN TRIPPING ACTION THAT DECREASES AS
THE MAGNITUDE OF CURRENT INCREASES.
*
50/60H IEC Max. range exceeds 310A.
Z

INSTALLATION

ADDITIONAL OUTPUT CAPACITY
Type of Output
CC (Constant Current)
AC/DC (GTAW)
Stick (SMAW)
RECOMMENDED INPUT WIRE AND FUSE SIZES
Type 75°C Type 75°C
Copper Wire in
Copper
Conduit AWG
Ground Wire in
(IEC) Sizes
Conduit AWG
40°C (104°F)
Ambient (IEC) Sizes
4 (21.2 mm 2 ) 6 (13.3 mm 2 )
104
4 (21.2 mm 2 ) 6 (13.3 mm 2 )
94
10 (5.3mm 2)
8 (8.4mm 2)
47
10 (5.3mm 2) 10 (5.3mm 2)
38

PHYSICAL DIMENSIONS

Width
22.0 in.
559 mm
28.0 in.
711 mm
TEMPERATURE RANGES
180°C (H)
PRECISION TIG 275
Auxiliary Power
15Amp Circuit Breaker and NEMA 5-15R Duplex
Receptacle for up to:
115VAC 8Amp Auxiliary Power Receptacle
115VAC weld Switched Cooler Receptacle load
For Unbalanced AC TIG Welding Above 275 Amps:
255A/40% Duty Cycle, Auto-Balance Penetration with
out Standard Power Factor Correction Capacitors
Based on the 1999 U.S. National Electrical Code
Type 75°C
Copper Wire in
Fuse Input
Conduit AWG
(Super Lag) Ampere
(IEC) Sizes
or Breaker Rating
40°C (104°F)
1
Size Ambient
3 (26.7 mm 2 )
124
150
3 (26.7 mm 2 )
150 112
8 (8.4 mm 2)
70 56
8 (8.4 mm 2)
60 45
Depth
26.0 in.
660 mm
41.0 in.
1041 mm
STORAGE TEMPERATURE RANGE
-40°C to +85°C (-40° to +185°F)
A-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 (5.3mm 2)
Weight
Approx. 397 lbs.
180 kgs.
Approx.641 lbs.
291 kgs.