MasterTig 235ACDC, 325DC, 335ACDC, 425DC
Operating manual - EN
6.4 Power source MasterTig 425DC
MASTERTIG
425DC G
Feature
Description
Value
Mains connection cable
3~, 2.5 mm
2
Mains connection voltage
3~ 50/60 Hz
380...460 V ±10 %
Maximum supply current
23 … 18 A
Effective supply current
16 … 14 A
Fuse
16 A
No-load voltage (
U
r
)
MMA
50 V
No-load voltage (
U
r
) AU
(1
MMA
23 V
No-load voltage (
U
0
)
MMA/TIG
70 ... 95 V
No-load voltage (
U
r VRD
)
MMA
23 V
Open circuit voltage (average)
MMA
50 V
Rated maximum output at 40 °C
(Duty cycle and process specified in the next
column)
30 % TIG
400 A / 26 V
60 % TIG
320 A / 22.8 V
100 % TIG
280 A / 21.2 V
40 % MMA
350 A / 34 V
60 % MMA
320 A / 32.8 V
100 % MMA
270 A / 30.8 V
Range of output
TIG
3 A / 1 V ... 400 A / 41 V
MMA
10 A / 10 V ... 350 A / 42 V
Power factor, λ
400 V, MMA 350 A / 34 V
0.91
Efficiency,
ƞ
400 V, MMA 280 A / 31.2 V
89%
Idle power
TIG
16 W
Operating temperature range
-20...+40 °C
Storage temperature range
-20...+60 °C
EMC class
A
Min. short-circuit power of supply network
S
sc
2.0 MVA
Degree of protection
IP23S
External dimensions
LxWxH
544 x 205 x 443 mm
Weight without accessories
23.6 kg
Arc-on signal for relay
24 V / 50 mA
Voltage supply for cooling unit
U
cu
380...460 V
Recommended generator power (min)
S
gen
20 kVA
Wireless communication type:
- Control panels MTP23X, MTP33X, MTP35X
(2
- Remote controls HR45, FR45
(2
Transmitter frequency and
power
2.4 GHz Bluetooth, 2400-2483.5 MHz, 10
dBm
© Kemppi
68
1920900 / 2052
