Hotstart; Hotstart Current; Hotstart Time - EWM T 4.01 Operating Instructions Manual

5.2.2

Hotstart

The function hot start ensures a secure igniting of the arc and a sufficient heating to the still cold parent
metal at the beginning of the welding process. The ignition takes place here with increased current (hot
start current) over a certain time (hot start time).
5.2.2.1

Hotstart current

5.2.2.2

Hotstart time

099-00T401-EW501
21.06.2018
A = Hot start current
B = Hot start time
C = Main current
I = Current
t = Time
Figure 5-32
Figure 5-33
Figure 5-34
Functional characteristics
MMA welding
EXIT
4s
EXIT
4s
45