Lincoln Electric PRECISION TIG 275 IM702-A - Manual (Page 9)

K1826-1, -2
K1827-1
K1825-1
A-2 INSTALLATION
PRECISION TIG 275
A-2
ADDITIONAL OUTPUT CAPACITY
Output Current
Range
2Amps DC
to
340Amps AC-DC *
Type of Output
CC (Constant Current)
AC/DC (GTAW)
Stick (SMAW)
Maximum Open
Circuit Voltage
(STICK AND TIG)
AC/DC OCV: 75/68
Auxiliary Power
K1825-1, K1826-1, K1826-2
15Amp Circuit Breaker and NEMA 5-15R Duplex
Receptacle for up to:
115VAC 8Amp Auxiliary Power Receptacle
115VAC weld Switched Cooler Receptacle load
K1834-1
5 Amp Circuit Breaker
and grounded 220VAC
Euro(Schuko) receptacle
Height Width Depth Weight
31.0 in. 22.0 in. 26.0 in. Approx. 397 lbs.
787 mm 559 mm 660 mm 180 kgs.
49.7 in. 28.0 in. 41.0 in. Approx.641 lbs.
1262 mm 711 mm 1041 mm 291 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 275A/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:
255A/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
208/1/60
230/1/60
460/1/60
575/1/60
220-230/1/50/60
380-400/1/50/60
415/1/50/60
Input
Ampere
Rating
Rating on
Nameplate
104
94
47
38
95
55
50
Input
Ampere
Rating
124
112
56
45
109
63
58
Type 75°C
Copper
Ground Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm2)
6 (13.3 mm2)
10 (5.3mm2)
10 (5.3mm2)
6 (13.3 mm2)
8 (8.4mm2)
8 (8.4mm2)
Type 75°C
Copper
Ground Wire in
Conduit AWG
(IEC) Sizes
6 (13.3 mm2)
6 (13.3 mm2)
8 (8.4 mm2)
10 (5.3mm2)
6 (13.3 mm2)
8 (8.4 mm2)
8 (8.4 mm2)
Fuse
(Super Lag)
or Breaker
Size 1
125
125
60
50
125
80
80
Fuse
(Super Lag)
or Breaker
Size 1
150
150
70
60
150
90
90
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F)
Ambient
4 (21.2 mm2)
4 (21.2 mm2)
8 (8.4mm2)
10 (5.3mm2)
4 (21.2 mm2)
8 (8.4mm2)
8 (8.4mm2)
Type 75°C
Copper Wire in
Conduit AWG
(IEC) Sizes
40°C (104°F)
Ambient
3 (26.7 mm2)
3 (26.7 mm2)
8 (8.4 mm2)
8 (8.4 mm2)
4 (21.2 mm2)
6 (13.3 mm2)
6 (13.3 mm2)
RATED OUTPUT - IEC 60974-1 (K1827-1)
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
31.0
20.2
29.0
18.0
28.0
16.0
Amps
275
255
225
200
200
150