Fireman's switch SOL30X... Eaton Fireman's Switch Safety First according to VDE-AR-E 2100-712 www.eaton.
Big protection for little money PV fireman's switches are DC switch-disconnectors that isolate the lines between solar modules and inverters. They allow firefighters to operate without risk of electrocution. In addition to the SOL30-Safety for small installations Eaton offers prefabricated fireman's switches housing 2, 3, 4 or 6 switch-disconnectors in a common enclosure. In contrast to generator terminal boxes the individual strings are not connected in parallel but can be fed separately to the inverter.
SOL30X…-SAFETY fireman's switch PV off switch • Scope of application: DC isolation in photovoltaic systems between PV generator and inverter for disconnecting power • Remote tripping with integrated undervoltage release 230V, 50Hz • Undervoltage release responds with a delay of 0.
5 Safety for firefighters The Eaton fireman's switch is installed at or shortly after the entry of the DC string lines into the building 햲. The fireman's switch opens automatically with the aid of its built-in undervoltage release 햳 when the firefighters isolate the fire location from mains power through the public utility and/or at the PV Off switch 햴. Tripping of the fireman's switch isolates the DC lines between PV modules and inverter 햵.
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