3 TECHNICAL DATA
0446 455 001
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© ESAB AB 2021
FabricatorEM 501i with cooling unit
MIG/MAG 30A/15.5V-500A/39.0V
MMA 30A/21.2 V-500A/40.0V
Permissible load at MIG/MAG
60% duty cycle 500 A/39.0 V
100% duty cycle 390 A/33.5 V
Permissible load at MMA
60% duty cycle 500 A/40.0 V
100% duty cycle 390 A/35.6 V
Power factor at maximum current 0.91
Maximum input power at idle mode <35W
Efficiency at maximum current 87%
Open-circuit voltage 78.0V
Recommended wire 1.0-1.6 mm
Operating temperature -10 to +40°C (14 to 104 °F)
Transportation temperature -40 to +70 °C (-40 to 158 °F)
Dimensions l × w × h 1035×500×1015mm (40.7×19.6×39.9in.)
Weight
Weight with cooling unit without coolant 111.5 kg (246 lbs)
Weight with cooling unit with coolant 115.5 kg (255 lbs)
Insulation class H
Enclosure class IP 23
Application class
Cooling unit (500A - 60% duty cycle) Only for power sources with cooling units
Cooling power 1 kW at 25°C ambient temperature
Coolant ESABs ready mixed coolant
Coolant quantity 4.5 l
Maximum water flow 1.8 l/min
Maximum pressure lift for torch Q
max
66.7 PSI (4.6 bar)
Mains supply, S
sc min
Minimum short circuit power on the network in accordance with IEC 61000-3-12.
Duty cycle
The duty cycle refers to the time as a percentage of a ten-minute period that you can weld or cut at a
certain load without overloading. The duty cycle is valid for 40°C/104°F, or below.
Enclosure class
The IP code indicates the enclosure class, i.e. the degree of protection against penetration by solid
objects or water.
Equipment marked IP23 is intended for indoor and outdoor use.
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