-- 8 --
MMP280e
Mains voltage selection
Migmasterr 280 Pro is delivered in versions configurable for following mains voltages:
S 208/230V and
S 208/230/460/575V
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.
Rating plate with supply connection data
Migmasterr
rr
r 280 Pro Migmasterr
rr
r 280 Pro
Voltage 208/230V, 1∼ 50/60Hz 208/230/460/575V, 1∼ 50/60Hz
Current A
at 100% duty cycle 40/36 40/36/24/15
at 60% duty cycle 57/51 57/51/30/21
Cable area AWG 3x6 3x6
Fuse slow A 50 50
GB
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