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Installation, A-2 additional output capacity, Physical dimensions – Lincoln Electric IM909 PRECISION TIG 375 User Manual

Page 11: Temperature ranges, Recommended input wire and fuse sizes

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A-2

INSTALLATION

PRECISION TIG 375

A-2

ADDITIONAL OUTPUT CAPACITY

Output Current

Range

2Amps DC

to

420Amps AC-DC

*

Type of Output

CC (Constant Current)

AC/DC (GTAW)

Stick (SMAW)

Maximum Open

Circuit Voltage

(STICK AND TIG)

AC/DC OCV: 80

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

5 Amp Circuit Breaker

and grounded 220VAC

Euro(Schuko) receptacle

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.

*

50/60H

Z

IEC Max. range exceeds 310A.

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)

Ambient

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)

RATED OUTPUT - IEC 60974-1 (K1834-3)

Duty Cycle-Applications

40%

AC/DC Stick / Balance TIG

Unbalance (70% Penetration

#

) AC TIG

60%

AC/DC Stick / Balance TIG

Unbalance (70% Penetration

#

) AC TIG

100%

AC/DC Stick / Balance TIG

Unbalance (70% Penetration

#

) AC TIG

Volts at Rated Amperes

35.0
24.0

34.0
23.0

32.0
21.0

Amps

375
350

350
325

300
275