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Notes: QFa is the protection switch of transformer incoming wire; U1 is the transformer; QFk is the protection switch to control power source. KTSG is the
flash relay; U2 isRectifier; QFdc is the DC power protection switch
Fig.4-14(b) Schematic diagram for electric control principle of MY265 extruder 2
L11
L12
AC220
L1
U1
600W
AC 380V
AC220V
S100
QFa
L2
N
QFk
KTSG
400W
-
~
AC 220V
U2
DC 24V
QFdc
KTSG
24V+
DC0V
S130
DC24V