04 mains supply voltage requirements, 04 mains supply voltage requirements -2, Transmig 400 i – Tweco 400i Transmig User Manual
Page 20

TRANSMIG 400 i
3-2
July 18, 2008
3.04 Mains Supply Voltage Requirements
The Mains supply voltage should be within ± 15% of the rated Mains supply voltage. Too low a voltage may
cause the fuse or circuit breaker to rupture due to the increased primary current. Too high a supply voltage will
cause the Power Source to fail.
415V Mains Current Circuit Requirements for the Transmig 400 i
The Welding Power Source must be:
• Correctly installed, if necessary, by a qualified electrician.
• Correctly earthed (electrically) in accordance with local regulations.
• Connected to the correct size 415V Mains Current Circuit as per the Specifications
!
WARNING
CIGWELD advises that this equipment be electrically connected by a qualified electrical trades-
person.
The following 415V Mains Current Circuit recommendations are required to obtain the maximum welding
current and duty cycle from this welding equipment:
Model
Minimum 240V Mains
Current Circuit Size
Transmig 400 i
33.4 Amps
Table 3-1: 415V Mains Current Circuit Size to Achieve Maximum Current