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High Performance Circuit Breakers - HPCBs

Incomparable performances to meet high demanding customer needs.


S800 and S500 are the worldwide best choice for industrial heavy duty application and renewable energies. Thanks to an innovative short circuit extinguishing technology, S800 and S500 are the right solution when both size and performance matter. Alternative to mains fuses at most, their applications are extremely varied: from building installations, to transport and renewable energies.


Main benefits

  • Compact and reliable solution for line protection with a breaking capacity up to 50kA and rated current up to 125A.
  • Thanks to its innovative and high performance profile, S800 is a great chance to save money in many installations, like PV string boxes or OEM automation panels, where cost depends mostly on size and installation time.
  • S800 and S500 HPCBs range are completed with a wide range of accessories that enlarge
    the functions of the circuit breaker not only as a protection devices, but even for control and monitor remotely the installation.

Main features

  • Wide range of High Performance Circuit Breaker with rated current from 6A up to 125A, breaking capacity up to 50KA.
  • S800PV-S HPCB designed specifically for string protection in PV application with disconnection properties with a rated current of 10 - 125A up to 1200V DC 
  • S800-SCL SR: Self-resetting short circuit current limiter: in combination with a high-performance circuit breaker or motor starter increases a short-circuit breaking capacity of 50kA at 690V AC.
  • Clear identification of the reason of cut-off thanks to TRIP position of the toggle
  • S500 range provides the option of infinitely adjusting the rated tripping current, allowing the flexibility to set the tripping current according to application needs

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