ABB DC Switch Disconnector (DC Load Break Switch) – Used AC : 31-802555✅ Internal Marking: B4406-CT54✅

: 31-802555✅ Internal Marking: B4406-CT54✅ Engineered by VACUUMSCHMELZE – German quality and precision

For larger systems

ABB Aurora UNO PVI-4

Riello Solartech photovoltaic inverters

Mounting: Wall or panel mount

ABB DC Switch Disconnector (DC Load Break Switch) – Used AC : 31-802555✅ Internal Marking: B4406-CT54✅Description: ABB heavy duty DC switch disconnector designed for safe isolation and switching of DC power circuits in industrial power systems, renewable energy installations, battery banks, and photovoltaic applications. The unit features a robust rotary handle, high current copper busbar connections, and a modular construction for reliable operation under demanding conditions. Suitable for disconnecting DC+ and DC conductors during maintenance and