Installation; Physical Dimensions - Lincoln Electric PRECISION TIG 375 Operator's Manual

A-2
Output Current
Maximum Open
Range
Circuit Voltage
2Amps DC
(STICK AND TIG)
to
AC/DC OCV: 80
*
420Amps AC-DC
For all Stick, DC TIG, and Balanced AC TIG Welding
at 375A/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 Nameplate
Size
208/1/60 150
230/1/60
150
460/1/60
80
575/1/60
50
220-230/1/50/60 150
380-400/1/50/60
110
415/1/50/60
110
Height
31.0 in.
K2622-1, -2
787 mm
49.7 in.
K2624-1
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
3 (26.7 mm 2 ) 6 (13.3 mm 2 )
112
6 (13.3 mm 2 )
3 (26.7 mm 2 )
102
6 (13.3mm 2 ) 8 (8.4 mm 2 )
51
8 (8.4 mm 2 ) 10 (5.3mm 2 )
41
3 (26.7 mm 2 ) 6 (13.3 mm 2 )
119
6 (13.3 mm 2 )
4 (21.2 mm 2 )
69
4 (21.2 mm 2 ) 6 (13.3 mm 2 )
63

PHYSICAL DIMENSIONS

Width
22.0 in.
559 mm
28.0 in.
711 mm
TEMPERATURE RANGES
180°C (H)
PRECISION TIG 375
Auxiliary Power
15Amp Circuit Breaker and NEMA 5-15R Duplex
Receptacle for up to:
115VAC 8 Amp Auxiliary Power Receptacle
115VAC 5 Amp weld Switched Cooler Receptacle
For Unbalanced AC TIG Welding Above 275 Amps:
350A/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)
Size 1
Ambient
1 (42.4 mm 2 )
200 139
2 (33.6 mm 2 )
175 126
6 (13.3 mm 2 )
80 63
6 (13.3 mm 2 )
50
70
3 (26.7 mm 2 )
150 118
4 (21.2 mm 2 )
110 68
4 (21.2 mm 2 )
110 62
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 )
8 (8.4 mm 2 )
6 (13.3 mm 2 )
6 (13.3 mm 2 )
6 (13.3 mm 2 )
Weight
507 lbs.
230 kgs.
751 lbs.
341 kgs.