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S800-Series-DC-Isolators

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S800 Series DC MCB

The S800PV-S was developed especially for photovoltaic applications. The device is ideal for the following uses:

  • DC string protection
    Protects the PV module from dangerously high DC back current
  • AC string protection
    Protects the PV module from AC back-feed caused by a defective inverter
  • DC load disconnecting switch
    Safe switching under load. In case of faults or maintenance work, individual strings can be safely and selectively switched under load.
  • Remote tripping and signalling
    Remote tripping of the S800PV-S can be realised with an under-voltage or shunt operation release.
    An optional auxiliary (on or off) or signal contact (over-current or short circuit) signals the actual switching state of the device in the individual strings.

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