Sma Solar Technology Ag

Bernd Gebert

Thorsten Hobein

Andreas Donth

Lars Bethke

The invention relates to an inverter with an enclosure that includes a removable hand plug which, when inserted inside the enclosure, shares an electrical connection with the inverter. The hand plug includes a fan configured to cool at least a portion of the inverter enclosure.

Inverter with enclosure

An inverter () for supplying electric energy from a DC source to an AC grid includes a housing () in which electrical and electronic components () are accommodated. A cooling air channel () with cooling fins () arranged along its longitudinal axis runs across the back of the housing () in the middle. Sockets () for large electrical components () that are closed in on at least three sides by the metal outer walls (-) of the housing () are provide on both sides of the cooling air channel () in the housing ().

Inverter with electrical and electronic components arranged in a sealed housing

A switching apparatus for grounding an inverter () that converts a direct current voltage into an alternative current voltage at mains frequency, with an inverter housing () and with a safety fuse () that connects a positive or a negative direct current voltage to a grounding terminal, is intended to be provided such that a technician has the possibility of grounding an inverter appliance optionally positively or negatively at little expense, with the possibility for an IP-65 region of the appliance to remain closed. This is achieved in that a safety fuse (), which is accessible and can be plugged from the outside, is arranged on said inverter housing () and can be contacted optionally to a positive or a negative direct current voltage in such a manner that either a positive or a negative direct current voltage is grounded through said safety fuse ().

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Niestetal, Germany

Bernd Gebert