High-performance string protection MCB

High-performance string protection MCB

The S800PV-SP provides string protection up to 125A and 1500VDC with Icu=5kA in accordance with IEC 60947-2 and Annex P.

The High-Performance MCB S800PV-SP specially developed for use in photovoltaic systems offers reliable protection for PV modules and lines against reverse currents from defective strings and AC regenerative feedback due to defective inverters. The high demands of PV systems have been taken into consideration in the development of the S800PV-SP.


Main benefits

  • Selective string shutdown even under load
  • Remote shutdown using working current and low-voltage trips possible
  • High ambient temperatures
  • Extensive range of accessories

Main Features  

  • Safe disconnection of all poles
  • Polarity independent
  • Fast remote controlled operation with S800-RSU remote switching unit