Installation, Physical dimensions, Temperature ranges – Lincoln Electric IM936 PRECISION TIG 375 User Manual
Page 9: Recommended input wire and fuse sizes

A-2
INSTALLATION
PRECISION TIG
®
375
A-2
Height
Width
Depth
Weight
31.0 in.
22.0 in.
26.0 in.
507 lbs.
787 mm
559 mm
660 mm
230 kgs.
PHYSICAL DIMENSIONS
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.
TEMPERATURE RANGES
OPERATING TEMPERATURE RANGE
-20°C to +40°C (-04° to +104°F)
TRANSFORMER INSULATION CLASS 180°C (H)
STORAGE TEMPERATURE RANGE
-40°C to +85°C (-40° to +185°F)
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
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
RECOMMENDED INPUT WIRE AND FUSE SIZES
Input
Voltage /
phase/
Frequency
220-230/1/50/60
380-400/1/50/60
415/1/50/60
Input
Ampere
Rating
Rating on
Nameplate
119
69
63
Input
Ampere
Rating
118
68
62
Type 75°C
Copper
Ground Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm2)
6 (13.3 mm2)
6 (13.3 mm2)
Type 75°C
Copper
Ground Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm2)
6 (13.3 mm2)
6 (13.3 mm2)
Fuse
(Super Lag)
or Breaker
Size
1
150
110
110
Fuse
(Super Lag)
or Breaker
Size
1
150
110
110
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F)
Ambien
3 (26.7 mm2)
4 (21.2 mm2)
4 (21.2 mm2)
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F)
Ambient
3 (26.7 mm2)
4 (21.2 mm2)
4 (21.2 mm2)