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SECTION 1 DESCRIPTION
Heliarc 252 AC/DC Heliarc 352 AC/DC
Rated Output* @
40% Duty Cycle
250 Amps @ 30 Volts
AC/DC, Tig/Stick
350 Amps @ 34 Volts
AC/DC, Tig/Stick
Max. Open Circuit Voltage 79 Volts AC/72 Volts DC 79 Volts AC/72 Volts DC
Output Current
Range in Amperes
Welding
Current
AC/DC, 5 to 320 Amps AC/DC, 3 to 380 Amps
Input Voltage AC 230 (208)/460 V, 1 ph, 60 Hz
230/460/575 V, 1 ph, 60 Hz
220/400 (380/415), 1 ph, 50 Hz
230 (208)/460 V, 1 ph, 60 Hz
230/460/575 V, 1 ph, 60 Hz
220/400 (380/415), 1 ph, 50 Hz
Input Current @
Rated Load in
Amperes***
220 V 230 V 400 V 460 V 575V 220 V 230V 400 V 460 V 575 V
w/o P.F.C.**
with P.F.C.**
100
88
96
70
52
39
48
35
38
29
160
145
152
110
84
64
76
55
61
43
Power Factor @
Rated Load
w/o P.F.C.**
with P.F.C.**
Approx. 55%
Approx. 76%
(65% on 220 V)
Approx. 55%
Approx. 76%
(65% on 220 V)
Auxiliary Power Output 115 V AC, 10 Amp, 60 Hz 115 V AC, 10 Amp, 60 Hz
Dimensions: Width
Depth
Height
18.8 in. (463 mm)
32.5 in. (826 mm)
25 in. (635 mm)
18.8 in. (463 mm)
32.5 in. (826 mm)
25 in. (635 mm)
Weight, Net****
Weight, Shipping****
375 lbs. (170 kg)
385 lbs. (175 kg)
432 lbs. (196 kg)
442 lbs. (201 kg)
* For 208 Vac, 60 Hz or 380 Vac, 50 Hz, derate output current by 10%.
** P.F.C. indicates with or without optional power factor correction kit.
*** The input currents listed are for balance control in the "max. clean" (0) position. When balance control is
set in the "max. penetration" (10) position, input current will increase approximately 40%.
**** For 50 Hz models, add 40 lbs (18 kg).
Table 1-1. Specifications
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