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451 series
3.4 WIRING DIAGRAM
3.4.1 Power
Ph 1 N o r Ph 2
PLF alarm
output
External installation
0
0
protection and cut-off
device
—
I —
External
fuse
(Note 1)
•
Logic
input
0 - " T
1 - 1
8
- -E:=- - 45.
0-5 A
fuse
Power
supply
(Note 2)
451
series
module
Thynstors
Internal
fuse
Load
Earth
Figure 3.1 W i r i n g diagram of a 451 series solid state contactor
in single-phase configuration.
Control signal from a controller
Une
Note 1. External fuse only for the 150 A nominal current.
Note 2. Power supply between terminals 8 and 9 for the 220 V phase voltage.
For other voltages use terminals 8 and 10.
451-461 User Manual
3-5
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