NH40SZ Automatic Changeover Switch

Distribution Apparatus-Automatic Transfer Switching Equipment

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

to 3150A.

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