EWM microplasma 20 - 7 Technical Data; Microplasma 20-120

Technical data
microplasma 20-120
38
099-007010-EW501
07.09.2016
7 Technical data
Performance specifications and guarantee only in connection with original spare and
replacement parts!
7.1 microplasma 20-120
Machine type
microplasma 20
microplasma 50
microplasma 120
Setting range for welding current
0.1 A to 20 A
0.1 A to 50 A
0.5 A to 120 A
Setting range for welding voltage
25.0 V to 25.8 V
25.0 V to 27 V
25.0 V to 29.8 V
Pilot arc current
5 A
Duty cycle 40 °C
20 A (100% DC)
50 A (100% DC)
120 A (35% DC)
70 A (100% DC)
Load cycle
10 min. (60% DC  6 min. welding, 4 min. pause)
Open circuit voltage
95 V
Mains voltage (tolerances)
1 x 230 V (–40% to +15%)
Frequency
50/60 Hz
Mains fuse
(safety fuse, slow-blow)
1 x 10 A
1 x 16 A
Mains connection lead
H07RN-F3G2,5
Maximum connected load
0.9 kVA
2.0 kVA
5.2 kVA
Recommended generator rating
1.2 kVA
2.7 kVA
7.0 kVA
cos/efficiency
0.99/86%
Ambient temperature
–25 °C to +40 °C *
Machine cooling
Fan (AF)
Torch cooling
(external cooling unit)
Coolant
Workpiece lead (minimum)
25 mm
2
50 mm
2
Insulation class/protection
classification
H/IP 23
EMC class
A
Safety identification
/ /
Harmonised standards used
IEC 60974-1, -3, -10
Dimensions L/W/H
520 x 550 x 480 mm
Weight
50 kg
*Ambient temperature depends on coolant! Observe the coolant temperature range for the
welding torch cooling!