KSB UPA Installation & Operating Manual page 46

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5 Installation at Site
L N
5
4
3
2
1
1~
Fig. 17: Circuit diagram: single-phase (1~) motors with one power cable for DOL
starting
1 Motor
3 Starting device
5 Line conductor
Connections at the starting device
L N BK/SW
PE a
Fig. 18: Starting device, manufacturer A
L N
PE PE
Fig. 19: Starting device, manufacturer B
L Line conductor
N Neutral conductor
PE Earth conductor; core marking:
green/yellow
When installing the starting device of manufacturer B (terminal assignment 4, 5, 6)
also observe the manufacturer's product literature.
Three-phase (3~) motors with one power cable for DOL starting or operation on a
frequency inverter (VFD)
The three current-carrying conductors are designated U, V and W; the earth
conductor is marked PE.
UPA / UPA S
2 Motor power cable
4 Control unit
BU/BL
BN/BR
c b
4 5 6
c b a
a Core marking: black
b Core marking: brown
c Core marking: grey (blue)