Tweco ArcMaster 401MST - Manual (Page 28)

ARCMASTER 401MST POWER SOURCE
INTRODUCTION 2-4 Manual 0-5287
2.09 Specifications
Description ArcMaster 401MST
Power Source Part Number W1009500
Power Source Mass 55lb (25kg)
Power Source Dimensions 16.5"(H) x 8.3"(W) x 17.7(D)
H420mm x W210mm x D450mm
Cooling Fan Cooled
Welder Type Inverter Power Source
Output Terminal Type Dinse TM 50
Standards CSA E 60974-1
UL 60974-1
Number of Phases 1/3 phase
Nominal Supply Voltage 208-230/460VAC (1 phase)
+/-15%
208-230/460VAC (3 phase)
+/-15%
Nominal Supply Frequency 50/60Hz
Welding Current Range 10 - 300A (1 phase) 10 - 400A, (3 phase)
Effective Input Current (I
1eff
) (note2) 40A (208V, 1 phase)
38.1A (230V, 1 phase)
20A (460V, 1 phase)
26.6A (208V, 3 phase)
24.6A (230V, 3 phase)
14.3A (460V, 3 phase)
Maximum Input Current (I
1max
) 84.7A (208V, 1 phase)
76.2A (230V, 1 phase)
40.1A (460V, 1 phase) 53.2A (208V, 3 phase)
49.1A (230V, 3 phase)
28.6A (460V, 3 phase)
Generator Requirement (note4) 14.40kW
STICK (SMAW)
Welding Output, 40ºC, 10 min. 300A @ 22%, 32V (1 phase)
230A @ 60%, 29.2V (1 phase)
180A @ 100%, 27.2V (1 phase)
400A @ 25%, 36V (3 phase)
300A @ 60%, 32V (3 phase)
220A @ 100%, 28.8V (3 phase)
Lift TIG (GTAW)
Welding Output, 40ºC, 10 min. 300A @ 25%, 22V (1 phase)
230A @ 60%, 19.2V (1 phase)
180A @ 100%, 17.2V (1 phase)
400A @ 25%, 26V (3 phase)
300A @ 60%, 22V (3 phase)
220A @ 100%, 18.8V (3 phase)
MIG & FCAW (GMAW FCAW)
Welding Output, 40ºC, 10 min. 300A @ 25%, 29V (1 phase)
230A @ 60%, 25.5V (1 phase)
180A @ 100%, 23V (1 phase)
400A @ 25%, 34V (3 phase)
300A @ 60%, 29V (3 phase)
220A @ 100%, 25V (3 phase)
Open Circuit Voltage 80V DC
Protection Class IP23S
Table 2-1: Specification