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20
Installation and operating instructions • Wilo-Control MS-L • Ed.02/2022-05
6.5.3
Switchgear mains connection
CAUTION
Risk of material damage due to incorrectly set mains voltage!
The switchgears Control MS-L … and MS-L … -O are suitable for connec-
tion to the mains voltages 1~230 V and 3~400 V. The switchgears are set
to the mains voltage 3~400 V at the factory. Install the two cable bridges
on the mains terminal strip for connection to the mains voltage 1~230 V.
Incorrect connection destroys the switchgear!
The switchgear Control MS-L … -LS is only suitable for the stated mains
voltage!
Control MS-L … : Mains connection 1~230 V, with main switch
Insert the connection cables laid by the customer through the threaded cable glands and
secure. Connect the wires
to the main switch
as per connection diagram.
L
L1
N
1 2 3 4
PE
1~230V
50/60Hz
N
1/L1 3/L2
5/L3
N
2/T1 4/T2
6T3
N
1
4
7
PE
ON
DIP
1 2 3 4 5 6 7 8
8
Control MS-L1 ...
ON
DIP
1 2 3 4 5 6 7 8
9
Control MS-L2 ...
Fig. 4:
Mains connection 1~230 V
with
main
switch
1
Main switch
4
Terminal strip: Earth
7
Terminal strip: Mains connection
8
DIP switch 1
9
DIP switch 2
NOTICE! Install two cable bridges on the mains terminal strip: Terminal 1/2 and terminal
3/4.
•
Cable: 3-core
•
Terminals: 4/T2 (L), N (N)
•
Connect the protective earth conductor (PE) to the terminal strip: earth (
;
).
•
Pre-selected mains voltage:
–
Control
MS-L1
… : DIP switch 1, DIP 8:
OFF
–
Control
MS-L2
… : DIP switch 2, DIP 1:
OFF
Control MS-L … : Mains connection 3~400 V, with main switch
L1
L1L2L3N
1 2 3 4
L2
L3
PE
3~400 V
50/60 Hz
N
1/L1 3/L2
5/L3
N
2/T1 4/T2
6T3
N
1
7
4
PE
ON
DIP
1 2 3 4 5 6 7 8
9
Control MS-L2...
ON
DIP
1 2 3 4 5 6 7 8
8
Control MS-L1...
Fig. 5:
Mains connection 3~400 V
with
main
switch
1
Main switch
4
Terminal strip: Earth
7
Terminal strip: Mains connection
8
DIP switch 1
9
DIP switch 2
NOTICE! Do not install any cable bridges on the mains terminal strip!
•
Cable: 5-core
•
Terminals: 2/T1 (L1), 4/T2 (L2), 6/T3 (L3), N (N)
There must be a clockwise rotating field!
•
Connect the protective earth conductor (PE) to the terminal strip: earth (
;
).
•
Pre-selected mains voltage:
–
Control
MS-L1
… : DIP switch 1, DIP 8:
ON
–
Control
MS-L2
… : DIP switch 2, DIP 1:
ON
Содержание Control MS-L
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