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
1
3
5
7
2
4
6
U
V
W
8
Trip
ON
OFF
Summary of Contents for DS7 Series
Page 1: ...Manual DS7 Soft starter 09 16 MN03901001Z EN...
Page 4: ...II...
Page 36: ...1 Device series DS7 1 14 Function 32 DS7 Soft starter 09 16 MN03901001Z EN www eaton com...
Page 96: ...3 Installation 3 6 Insulation test 92 DS7 Soft starter 09 16 MN03901001Z EN www eaton com...
Page 188: ...8 SmartWire DT 8 9 Programming 184 DS7 Soft starter 09 16 MN03901001Z EN www eaton com...