5 Installation at Site
46 of 98
UPA / UPA S
3400.86/17-EN
1
2
4
5
1~
L
N
3
Fig. 17:
Circuit diagram: single-phase (1~) motors with one power cable for DOL
starting
1
Motor
2
Motor power cable
3
Starting device
4
Control unit
5
Line conductor
Connections at the starting device
L
N
BK/SW
BN/BR
BU/BL
a
b
c
PE
Fig. 18:
Starting device, manufacturer A
L
N
4
6
5
a
b
c
PE
PE
Fig. 19:
Starting device, manufacturer B
L
Line conductor
a
Core marking: black
N
Neutral conductor
b
Core marking: brown
PE Earth conductor; core marking:
green/yellow
c
Core marking: grey (blue)
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.