Eaton DS7 - Compact Motor Starter with Maintenance Switch

7 Connection examples
7.3 Size 3 and 4 (41 – 200 A)
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com 137
7.3.5 Compact motor starter with maintenance switch
DS7 soft starter, NZM circuit-
breaker and P3 maintenance
switch
Q1 = Cable and motor protection
Q21 = DS7 soft starter
Q32 = Maintenance switch (local)
F3 = optional semiconductor fuse for
type 2 coordination (in addition to Q1)
M1 = Three-phase motor
Figure 107: Motor starter with repair/maintenance switch
M
3 ~
1L1
3L2 5L3
PE
PE
2T1 4T2 6T3
L1
L2
L3
PE
Q1
Q21
F3
M1
I > I > I >
Q32
Start/Stopp
135 7
246
UVW
8
T
r
ip
ON
O
FF