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WILLER Protection Element




Product description


-electro-mechanical plug-in ceramical cylinder housing
-plugged into fitting of two PV modules or at any given point on the string cables.
-no changes in wiring are necessary
-no reduction in system performance



 

Installation


„WILLER®“ Electromechanical protection element Photovoltaik (PV) – for safety disconnection
The electromechanical protection element "Willer® " disconnects automatically in case of fire by heat the PV string on or mechanical separation by breaking the ceramic cylinder at any time. Installation, see installation instructions.

Video

 
 

FAQ

Q: How many elements should be installed in a PV string, and where is the best location?

A: It would be perfect to install one element after two modules, e.g. on a roof plus one element in the outlet to the inverter. e.g. in the floorboard/staircase (good visible for the firemen resp. in a box together with hose, fire extinguisher etc.) or in a cellar in front of an inverter to avoid generation of ox hydrogen gas that might be produced by extinguishing water in connection with a.d.c. voltage.

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