Compact Motor Starter With Maintenance Switch - Eaton DS7 Manual

7.3.5 Compact motor starter with maintenance switch

Figure 107: Motor starter with repair/maintenance switch
L1
L2
L3
PE
Q1
I > I > I >
F3
Q21
1 3 5
Q32
2 4 6
U V W
M
M1
3 ~
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
7.3 Size 3 and 4 (41 – 200 A)
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
Start/Stopp
7
8
7 Connection examples
137