NXZ Automatic Transfer Switch
04
1 The phase sequence of normal and standby power supply must be
consistent. Phase N wiring cannot be wrongly connected. Normal
power supply has priority over standby power supply in terms of wiring
of power line end.
The front end of the normal and standby main circuit of the product
shall be equipped with SCPD (fuse) produced by the company
consistent with the identification on the product nameplate or SCPD
(fuse) with the same breaking capacity.
2 For the wiring of the load end of 3P product, the N pole is not
connected, and the wiring of its power line end is same as 4P product.
During wiring, incorrect N-pole wiring may result in the
burn-out of the controller!
Main circuit conductor
Normal power bus
Alternative power bus.
Load bus
4P product wiring diagram
Main
circuit
Normal power supply I Normal power supply Ialternative power supply II alternative power supply II
1
3
5
N
1
3
5
N
1
3
5
N
1
3
5
N
3Pole 4Pole
4
Installation and Wiring
Installation method
Figure 5 Installation method
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