Welding Voltage Polarity; Mains Power Supply - ESAB Migmaster 280 Pro Manuel D'instructions

GB
Mains voltage selection
Migmasterr 280 Pro is delivered in versions configurable for following mains voltages:
208/230V and
S
208/230/460/575V
S
Factory configuration is set for 230V and 575V respectively.
In order to adapt the machines for the other voltages, it is necessary to reconnect the main
transformer TM1 and control transformer TC1 as shown and described on the schematic diagrams.
5.3

Welding voltage polarity

Welding voltage polarity may be changed as shown below.
5.4

Mains power supply

Check that the unit is connected to the correct mains power supply voltage, and that it is protected by
the correct fuse size. A protective earth connection must be made, in accordance with regulations.
Migmasterr r r r 280 Pro
Voltage 208/230V, 1∼ 50/60Hz
Current A
at 100% duty cycle 40/36
at 60% duty cycle 57/51
Cable area AWG 3x6
Fuse slow A 50
MMP280e
Rating plate with supply connection data
- - 8 - -
Migmasterr r r r 280 Pro
208/230/460/575V, 1∼ 50/60Hz
40/36/24/15
57/51/30/21
3x6
50