Table of Contents
Advertisement
2 Engineering
2.11 Motor connection
50
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
L1
L2
L3
PE
Q1
Q21
Q22
Figure 32: Power section – example: DS7 ≧ 41 A with bypass emergency operation
I > I > I >
Q11
F3
Q31
M
M1
3 ~
Q1 = Cable protection
Q11 = Mains contactor
Q21 = Soft starter
Q22 = Bypass contactor/
Emergency operation
protection
Q31 = Motor contactor
F3 = Semiconductor fuse for
type 2 coordination, in
addition to Q1
M1 = Motor
Advertisement
Table of Contents
