SMA Plug-In Grounding.

If you use specific solar cell technology types in your PV generator, e.g. thin film or backside contacted V modules, it may become necessary to ground either the positive or the negative terminal of the PV plant. The SMA Plug-in Grounding facilitates the grounding of the PV generator in the inverter. The plugin' grounding set is suitable for inverters of the types SB 2000HF-30, SB 2500HF-30 and SE 3000HF-30. With the help of this device-internal grounding, a safe operation is achieved over the long-erm with optimal EMC characteristics and minimal installation costs.

The SMA Plug-in Grounding set includes a 1A fuse as a protection against fire hazard and a circuit that adjusts the inverter's insulation monitoring to the SMA Plug-in Grounding. Via the fuse, the SMA Plug-in Grounding establishes a direct connection between the terminal to be grounded (positive or negative) and the PV module and the PE terminal of the inverter. If a ground fault occurs, the fuse in the SMA Plug-in Grounding disconnects the residual current.

Information about type and requirements for a module grounding of your PV plant will be provided by your module manufocturer.

The inverter may only be operated with PV generators (modules and cabling] that contain protective insulation (protection class il).

The SMA Plugin Grounding is only suitable for use with SMA inverters of the types

Sunny Boy 2000HF/2500HF/3000HF.

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