Device for switching-off photovoltaic unit, has cover which is fixed above solar module or solar modules, by which solar modules are shadowed in power-down mode

摘要

The device has a cover (4) which is fixed above the solar module or the solar modules, by which the solar modules are shadowed in power-down mode. The cover is inclined at the solar mode in the switching mode. The cover has a roller blind, a sun-blind, a flattered web or a roller shutter.