8 Certificates
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VDE0 126-1-1
产
品
金
伏
太
光
阳
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VDE-AR-N 4105 IEC62109-2 EN50438 NRS097-2-1 RD1699
MEA&PEA
ERDF-NOI-RES_13E
7.2 Checking the DC Switch
DC switch does not require any maintenance.
It is recommended, though not compulsory, to:
●Check the DC switch regularly.
●Activate the DC switch 10 times in a row once a year.
Operating the switch will clean the contacts and will extend the life of the DC switch.
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