NEW, unused circuit breakers, additional protection mini DC MCB 20A 800V for photovoltaic systems.What is in the photo.They are used to disconnect/switch on the system and protect devices against the effects of overloads and short circuits in the photovoltaic installation through electromagnetic and thermal triggers.They have certificates necessary for the Power Plant.Resistant up to 20,000 switchings.Parameters:Number of fields: 2, 2PRated current: In=20ARated voltage Un: DC 800VRated short-circuit breaking capacity: Icu=6kACharacteristics : COperating ambient temperature: -5/+40°CMounting on a 35 mm TH rail,Tightness: IP20,Operation indicator: optical (green ok, red off)