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The S-BOX from FOXESS is a fire safety switch designed to switch on and off the DC voltage that comes from photovoltaic panels. The product guarantees safety by disconnecting the DC circuit during a power outage on the AC side. The switch works on the principle of switching on the DC circuit when AC power is restored. This device is extremely useful during a power grid failure or in the event of a deliberate shutdown of the power supply to a building, when there is a risk of fire hazard. S-BOX fire protection switch has: Maintenance-free, no resetting required. The product has a positive opinion of fire experts and meets the provisions of the amendment to the Building Law. High current carrying capacity up to 40 A at 1000V and support 2 chains. Equipped with a set of MC4 connectors built into the device and those that need to be made on the ends of DC cables which also means fast and trouble-free installation.