7 Connection examples
7.2 Size 2 (16 – 32 A)
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com 129
7.2.3 Standard connection with upstream mains contactor and soft stop ramp
Start/stop operation
Q1, F1 = Cable and motor
protection
Q11 = Mains contactor
F2 = motor protection
F3 = Optional
semiconductor fuse for
type 2 coordination , in
addition to Q1 or F1
Setting: t-Stop > 0
Figure 95: Standard connection with soft stop
① Control section for the mains contactor Q11
During operation, the deactivation via S1 causes
an uncontrolled stop of the motor.
S1 = Off
S2 = On
S3 = Soft stop
S4 = start
Figure 96: Control section with mains
contactor
M
3 ~
1L1
3L2
5L3
TOR
- A2 + A1
13 14 2423
2T1
4T2
6T3
L1
L2
L3
PE
Q11
Q21
F3
F2
M1
(+) U
s
24 V AC/DC, 120/230 V AC
(–) U
s
Q1
I > I > I >
F1
RUN
- U
s
+ U
s
K3
Q11
Q11
S2
L01/L+
L00/L-
Q1
F2
S1
S4
S3
Q11
K3
Q11
K3
①