Tweco 250i Transmig Inverter - Manual (Page 20)

TRANSMIG 250i INSTALLATION/SETUP
INSTALLATION/SETUP 3-2 Manual 0-5187
WARNING
The Transmig 250i must be electrically connected by a qualified electrical trades-person. Damage to the
PCA (Power Control Assembly) could occur if 276 VAC or higher is applied to the Primary Power Cable
50/60 Hz
Single Phase
Primary Supply
Lead Size
Minimum
Primary Current
Circuit Size
(Vin/Iin)
Minimum
Plug Size
Current & Duty Cycle
MIG LIFT TIG STICK
Yes
2.5mm² (Factory
Fitted)
240/15A 15A 40% @ 190A 40% @ 235A 40% @ 170A
Yes 4.0mm² 240/25A 25A 40% @ 250A 40% @ 250A 40% @ 230A
Table 3-1: Input Power Source Leads for Transmig 250i
WARNING
ELECTRIC SHOCK can kill; SIGNIFICANT DC VOLTAGE is present after removal of input power. DO NOT
TOUCH live electrical parts.
SHUT DOWN welding power source, disconnect input power employing lockout/tagging procedures. Lock-out/tagging
procedures consist of padlocking line disconnect switch in open position, removing fuses from fuse box, or shutting
OFF and red-tagging circuit breaker or other disconnecting device.
Electrical Input Requirements
Operate the welding power source from a single-phase 50/60 Hz, AC power source. 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 power point, fuze and primary supply lead based on Table 3-1.
• Connected with a customer-supplied grounding cable to the grounding stud on the top-rear of the power source as
required by applicable Local and National Codes or local authority having jurisdiction. Grounding stud is identified
with this symbol:
WARNING
Any electrical work must be carried out by a qualified Electrical Tradesperson.