12
No. Name Description
A Load switch Connect/disconnect the connection to the inverter
B Fuse
Fast fusing in case of excessive current or short
circuit to protect the product from damage
C
Low voltage connection
area
Connected to the upstream inverters
D Maintenance switch
Turn off this switch before maintaining the fuse,
such as Fuse of LV side SPD, PLC branch fuse.
E Fuse of LV side SPD
—
F SPD
—
The figure above is indicative only, and actual product may differ.
Main switch can only be closed when there is a lock, and the lock cannot be pulled
out after closing.
3.3.3 Main Parts of Transformer
The transformer is equipped with multiple protective devices such as the oil temperature
gauge, the pressure gauge, and the oil level gauge.
3 Product Description System Manual
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