DC Air Circuit Breaker & Switch-Disconnector

DC ACB and Switch-Disconnector optimise DC system applications such as UPS, PV, and ESS. LS Electric Susol DC Series fulfil the demands of the renewable market by increasing power generation capacity and providing high DC voltage.

Further information

Susol DC ACB

Benefits

  • Various protection functions and fault waveform provided to improve system stability
  • Multi-function relays dedicated to DC protect and enhance user convenience
    • Precise measurement of current, voltage, power, and various protection relay functions
    • Self-diagnosis function, event and fault waveform recording
  • Physical sizes for installation and accessories are compatible with existing Susol ACB

Main specification

  • Ratings : up to DC 1500V 3200A
  • Icu=Ics up to 60kA/1500Vdc
  • Rated short-time withstand current(Icw) : 50kA/1s at 1500Vdc
  • Standards : IEC 60947-2

Susol DC Switch-Disconnector

Benefits

  • Large short-time capacity : 100kA/1sec
  • Suitable for severe inductive DC loads : DC-23A
  • Physical size for installation and accessories are compatible with existing Susol ACB

Main specification

  • Ratings : up to DC 1500V 4000A
  • Rated short-time withstand current(Icw) : 100kA/1s
  • Utilisation category : DC-23A
  • Standards : IEC 60947-3
LS DC ACB

Key benefits

  • Up to DC 1500V 3200A, Susol DC ACB can meet the demands of increasing power generation in PV and ESS. It improves system stability with short circuit protection, overload protection and various relay elements.

  • Up to DC 1500V 4000A, Susol DC Switch-Disconnector series are suitable for severe inductive DC loads (DC-23A) as it also meets the demands of the increasing power generation in PV and ESS