Size 3 And 4 (41 - 200 A); Connection Without Soft Start Ramp - Eaton DS7 Manual

7 Connection examples
7.3 Size 3 and 4 (41 – 200 A)
7.3 Size 3 and 4 (41 – 200 A)

7.3.1 Connection without soft start ramp

132
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
L1
L2
L3
PE
Q1
I > I > I >
F3
Q21
M
M1
3 ~
Figure 99: Standard connection without soft stop
U
s
Q1
U
L1, L2, L3
+ A1
RUN
(23/24)
U
T1, T2, T3
U
Start
TOR
(13/14)
t-Start
Figure 100: Flow diagram – without soft stop
TOR
- U + U - A2 EN + A1 13 14
s s
Q1
(+) U
(–) U
RUN
23 24
s
24 V AC/DC, 120/230 V AC
s
Direct motor start
Q1 = Cable and motor
protection
Q21 = Soft starter
Start enable (+A1)
uncontrolled stop of the
motor on deactivation
F3 = optional semiconductor
fuse for type of coordination
2
M1 = Motor