Watson-Marlow MM420 - Manual (Page 30)

2 Installation Issue 10/06
MICROMASTER 420 Operating Instructions
30 6SE6400-5AA00-0BP0
Access to the power and motor terminals
You can gain access to the mains and motor terminals by removing the covers
(see also Appendices A and B).
The mains and motor connections must be made as shown in Fig. 2-6.
L2/N
L3
L1/L
U V W
Fig. 2-5 MICROMASTER 420 connection terminals
L2
L1
N
Fuse
Contactor
Optional
Filter
PE
Optional
line choke MICROMASTER 1)
PE
L/L1
N/L2
U
V
W
Motor
L3
Single Phase
PE
L3
L2
L1
Fuse
Contactor
Optional
Filter
PE
Optional
line choke MICROMASTER 1)
PE
L3
L2
L1
U
V
W
Motor
Three Phase
PE
1) with and without filter
Fig. 2-6 Motor and Power Connections