JALpower NS SERIES Podręcznik użytkownika - Strona 14

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**: Please make sure the voltage of PV string will not exceed the Max. DC voltage.

Note

Overvoltage category definition

Category I : applies to equipment connected to a circuit where measures have been taken to reduce transient overvoltage to a

low level.

Category II : applies to equipment not permanently connected to the installation. Examples are appliances, portable tools and

other plug-connected equipment;

Category III: applies to fixed equipment downstream of and including, the main distribution board. Examples are switchgear

and other equipment in an industrial installation;

Category IV: applies to equipment permanently connected at the origin of an installation (upstream of the main distribution

board). Example are electricity meters, primary overcurrent protection equipment and other equipment connected

directly to outdoor open lines.

Moisture location category definition

Level

Moisture

parameters

3K3

4K2

Temperature Range

0~+40℃

-33~+40℃

Humidity Range

5%~85%

15%~100%

Environment category definition

Outdoor : the ambient air temperature is -20~50°C, Relative humidity range is 4 % to 100 %, applied to PD3

Indoor unconditioned: the ambient air temperature is -20~50°C, Relative humidity range is 5 % to 95%,applied to PD3

Indoor conditioned: the ambient air temperature is 0~40°C, Relative humidity range is 5 % to 85%,applied to PD2

Pollution degree definition

Pollution degree 1: No pollution or only dry, non-conductive pollution occurs. The pollution has no influence.

Pollution degree 2: Normally only non-conductive pollution occurs. Occasionally, however, a temporary conductivity caused by

condensation must be expected.

Pollution degree 3: Conductive pollution occurs, or, dry, non-conductive pollution occurs which becomes conductive due to

condensation which is expected.

Pollution degree 4: Persistent conductive pollution occurs, for example, the pollution cause by conductive dust, rain and snow.

7 Certificates

4K4H

-20~ +55°C

4%~100%

IEC62109-2 VDE0126-1-1