NH40SZ Automatic Changeover Switch disconnector
Integrates electrical and mechanical interlocking systems
to guarantee safe transfer operation.
It is applicable for the three-phase four-wire power supply
System of AC 50Hz, rated voltage AC 380V, rated current up
It can realize automatic and manual changeover between
Normal and back up power supply power,
And stop power supplying to load when changeover
Process of power supply is carried out.
The switch is applicable for two circuits power supply
And in the condition which requires
High quality power supply.
Standard: IEC 60947-6-1