NXZ(H)B

1. General

1.1 Scope of Application

1.1.1 NXZ series Automatic Transfer Switching Equipment is applicable to the three-phase four-wire duplicate supply power grid of AC 50Hz, rated voltage 400V/415V and below, and rated current up to 630A . It can automatically connect one or several load circuits from one power source to the other to ensure the normal power supply for the load circuit.

1.1.2 This product is applicable to industrial and commercial power use places, high-rise buildings, and residential houses.

1.2 Applicable standards

1.2.1 Product standard

IEC 60947-1.

IEC 60947-6-1.

1.2.2 Standards for use in extreme environment

IEC 60068-2-1. (Low Temperature)

IEC 60068-2-2. (High Temperature)

IEC 60068-2-30. (Cyclic Damp Heat)

IEC 60068-2-11. (Salt mist)

1.2.3 Certification ：CB、CE、KEMA

1.3 Normal working conditions

1.3.1 Ambient temperature 5° C~+40° C; Users can custom-tailor relevant product to be used in the environment of -25° C~+70° C, and use the product according to the temperature compensation table.

1.3.2 Sea level elevation Equal to 2000m or below; if it needs to work above 2000m altitude, it shall be used according to the table of capacity reduction of different altitudes.

1.3.3 Atmospheric conditions The relative humidity shall not exceed 50% when the surrounding air temperature is +40° C; the relative humidity can be higher when the temperature is lower; the average monthly maximum relative humidity in the wettest month is 90%, and the average monthly minimum temperature shall be +20 ° C. Special measures may be necessary in cases of occasional condensation due to variations in temperature.

1.3.4 Pollution degree: class 3

1.3.5 Installation category Installation category of the switching equipment of main circuit is category IV. Installation category of auxiliary circuit is category III. Installation category of conversion controller is category II.

1.3.6 Utilization category: AC-33B

Electromagnetic compatibility (EMC)

Electrostatic discharge (IEC 61000-4-2) Level 2 Radio-frequency electromagnetic field-radiated electromagnetic field immunity (IEC 61000-4-3) Level 3, Fast transient bursts (IEC 61000-4-4) Level 3, Surges (IEC 61000-4-5) Level 3,

Radio-frequency electromagnetic field-conducted immunity (IEC 61000-4-6) Level 3, Radiation grade (CISPR11) grade B,

Product Information