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ESAB

Heliarc 281i & 353i AC/DC

Dimensions

Model All models
Height 24.4 in.
Length 23.6 in.
Width 11.8 in.

Input Voltage

Model Heliarc 281i AC/DC Heliarc 283i AC/DC Heliarc 353i AC/DC
Frequency 50/60 Hz 50/60 Hz 50/60 Hz
Phases 1 3 3
Voltage 208/240 V 460 V 460 V

Power Specifications

Model 281i AC/DC 353i AC/DC Heliarc 281i AC/DC Heliarc 283i AC/DC Heliarc 353i AC/DC
AC Balance 10-90 % 10-90 % 10-90 % 10-90 % 10-90 %
Enclosure Class IP 21 IP 21
Open Circuit VAC High 75 VAC 75 VAC
Open Circuit VDC High 75 VDC 75 VDC
Open Circuit Voltage 75 VAC 75 VAC 75 VAC
Power Factor at Maximum Current 0.8 0.75 0.8
Power Factor Maximum Current 80 % 80 %
Protection Class IP 21 IP 21 IP 21
Setting Range MMA/DC (A) 4-250 A 4-350 A
Setting Range TIG/DC (A) 4-280 A 4-350 A

Specifications

Model All Models
Application Classification S
Gas post flow 0.1-30 sec
Gas pre flow 0.1-2.5 sec

Weight

All models

Weight 110 lb

Welding Output

Model Duty Cycle Output Current Welding Process
Heliarc 281i AC/DC
Heliarc 281i AC/DC
Heliarc 281i AC/DC 100 % 250 A TIG (GTAW)
Heliarc 281i AC/DC 60 % 270 A TIG (GTAW)
Heliarc 281i AC/DC 50 % 280 A TIG (GTAW)
Heliarc 281i AC/DC 100 % 200 A Stick (MMA)
Heliarc 281i AC/DC 60 % 220 A Stick (MMA)
Heliarc 281i AC/DC 40 % 250 A Stick (MMA)
Heliarc 283i AC/DC
Heliarc 283i AC/DC 100 % 280 A TIG (GTAW)
Heliarc 283i AC/DC 100 % 220 A Stick (MMA)
Heliarc 283i AC/DC 60 % 240 A Stick (MMA)
Heliarc 283i AC/DC 40 % 280 A Stick (MMA)
Heliarc 353i AC/DC
Heliarc 353i AC/DC 100 % 280 A TIG (GTAW)
Heliarc 353i AC/DC 60 % 300 A TIG (GTAW)
Heliarc 353i AC/DC 45 % 350 A TIG (GTAW)
Heliarc 353i AC/DC 100 % 220 A Stick (MMA)
Heliarc 353i AC/DC 60 % 240 A Stick (MMA)
Heliarc 353i AC/DC 20 % 250 A Stick (MMA)
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