maxiMIG 250/300
Operating manual Page 16
12. Technical data
Power source maxiMIG 250 maxiMIG 300
Supply voltage, 50/60 Hz 400V, 3 Phase, +/- 10% 400V, 3 Phase, +/- 10%
Max. drawing of current Imax = 15A, Ieff = 9A Imax = 18A, Ieff = 11A
Fuse 16A slow 16A slow
Maximum power draw 11 kVA 13 kVA
Set-point range 40 - 250A 40 - 300A
Operating voltage 16 – 26,5V 16 - 29V
Open-circuit voltage 21 - 42V 21 - 45V
Voltage steps 12 12
Duty cycle 25 % (40° C) 250A / 26,5V 300A / 29V
Duty cycle 60 % (40° C) 190A / 23,5V 210A / 24,5V
Duty cycle 100 % (40° C) 140A / 21V 170A / 22,5V
System of protection IP 22 IP 22
Insulation category H (180° C) H (180° C)
System of cooling F F
Weight 74 kg 84 kg
Dimensions L x W x H (mm) 880 x 365 x 750 880 x 365 x 750
Noise emission < 70 dB(A) < 70 dB(A)
Wire feed
Wire feed motor with
four-roller drive system 42V, 50W
Wire feed speed 1,0 - 24 m/min
Diameter of wire 0.8 - 1.2 mm
Authorized for welding under increased electrical hazard
Manufactured in accordance with EN 60 974-1 and EN 60 974-10
Generator operation:
The generator must have 30% more power as the welding unit.
Example: 13kVA (unit) + 30% = 17kVA. The generator for this unit must have 17kVA.
A generator with less power will damage the Jäckle welding unit as well as the generator himself
and is disallowed.
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