EWM Tetrix 351 - Technical Data - Tetrix 451 AC;DC AW; Technical Specifications for Tetrix 451 AC;DC AW

Technical data
Tetrix 451 AC/DC AW
130
099-000115-EW501
17.06.2015
8.2 Tetrix 451 AC/DC AW
TIG
MMA
Welding current
5 A–450 A
Welding voltage
10.2 V–28.0 V
20.2 V–38.0 V
Duty cycle at 25 °C
100% DC
450 A
Duty cycle at 40 °C
80% DC
450 A
100% DC
420 A
Load cycle
10 min. (60% DC

6 min. welding, 4min. pause)
Open circuit voltage (DC)
79 V
Mains voltage (tolerances)
3 x 400 V (-25% to +20%)
Frequency
50/60 Hz
Mains fuse
(safety fuse, slow-blow)
3 x 32 A
Mains connection lead
H07RN-F4G6
Max. connected load (TIG)
16.3 kVA
Max. connected load (MMA)
22.0 kVA
Recommended generator rating
29.7 kVA
cos/efficiency
0.99/85%
Insulation class/protection
classification
H/IP 23
Ambient temperature*
-25 C to +40 C
Machine/torch cooling
Fan/water
Cooling capacity at 1 l/min
1500 W
Max. flow rate
5 l/min
Max. coolant outlet pressure
3.5 bar
Max. tank capacity
12 l
Workpiece lead < 5 m
70 mm
2
Workpiece lead > 5 m
95 mm
2
Dimensions L/W/H [mm]
1080 x 690 x 1195
Weight
184.5 kg
EMC class
A
Constructed to standard
IEC 60974-1, -2, -3, -10;
;
*Ambient temperature depends on coolant! Observe the coolant temperature range for the
welding torch cooling!