
OPERATING MANUAL
Transmig 220i
Transmig 255i
Transmig 255i
Manual 0-5550
2-5 INTRODUCTION
2.10 Specifications
Description
TRANSMIG 255i
Transmig 255i Plant Part
Number
W1005255
Power Source Dimensions
H435mm x W266mm x D617mm
Power Source Weight
27kg
Cooling
Fan Cooled
Welder Type
Multi Process Inverter Power Source
Australian Standard
AS60974.1 / IEC60974-1
Number of Phases
Single Phase
Nominal Supply Voltage
240 VAC ± 15%
Nominal Supply Frequency
50 / 60Hz
Output Terminal Type
Dinse
TM
Style 50
Protection Class
IP23S
Welding Environment
Classification
Suitable for Welding in Category C Environments;
Suitable for Indoor and Outdoor Welding
Open Circuit Voltage (VRD
On)
<35V DC
Open Circuit Voltage (VRD
Off)
48 V DC
Welding Current Range (MIG
Mode)
30 – 255A
Welding Current Range
(STICK Mode)
10 – 230A
Welding Current Range (TIG
Mode)
10 – 255A
Supply Lead and Plug Rating
15 Amps (2.5mm²)
Ratings Below Apply to the Factory
Fitted Supply Lead & Plug
25 Amps ( 4.0mm²)
Ratings Below Apply to an
Upgraded
4mm² Supply Lead & Plug Fitted
Effective Input Current (I
1eff
)
[Refer Note 2]
15 Amps
21 Amps
Maximum Input Current
(I
1max
)
33 Amps
33 Amps
Minimum Single Phase
Generator Recommendation
[Refer Note 4]
10 kVA (at 0.8 Power Factor)
8 kW (at 1.0 Power Factor)
10 kVA (at 0.8 Power Factor)
8 kW (at 1.0 Power Factor)
MIG (GMAW) Welding
Output, 40ºC, 10 min
255A @ 20%, 26.8V
147A @ 60%, 21.4V
114A @ 100%, 19.7V
255A @ 40%, 26.8V
206A @ 60%, 24.3V
160A @ 100%, 22.0V
STICK (MMAW) Welding
Output, 40ºC, 10 min.
230A @ 20%, 29.2V
133A @ 60%, 25.3V
103A @ 100%, 24.1V
230A @ 40%, 29.2V
187A @ 60%, 27.5V
145A @ 100%, 25.8V
TIG (GTAW) Welding Output,
40ºC, 10 min.
255A @ 20%, 20.2V
147A @ 60%, 15.9V
114A @ 100%, 14.6V
255A @ 40%, 20.2V
206A @ 60%, 18.2V
160A @ 100%, 16.4V
Table 2-1: Transmig 255i Specification