Installation, Physical dimensions, Temperature ranges – Lincoln Electric PRECISION TIG IM936 User Manual

Page 9: Recommended input wire and fuse sizes

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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 ‘INVERSE 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)

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