The ABB VMax 12.06.20 Vacuum Circuit Breaker is a medium-voltage indoor switchgear device designed for 11kV systems, rated at 630A with a breaking capacity of 20kA. Engineered with ABB’s reliable vacuum interrupter technology, it ensures arc-free operation, high performance, and long service life.

It includes integrated components such as:

• MO1 (Mechanical Operating mechanism)

• MC (Mechanical Interlock)

• MS (Mechanical Switch or Shutter mechanism)

• BB1-2 (Busbar or Interlock Auxiliary Units)

The VCB is ideal for use in power distribution networks, substations, and industrial environments requiring high reliability and safety.

✅ KEY FEATURES

• ⚡ Rated Voltage: 11kV

• ? Rated Current: 630A

• ? Breaking Capacity: 20kA (short-circuit current)

• ? Vacuum Interruption Technology: Ensures arc quenching without harmful gases

• ?️ MO1 Operating Mechanism: Robust spring-charged mechanism for manual or motorized operation

• ? MC & MS Interlocks: Safety interlocks for ensuring proper operation and preventing faults

• ? BB1-2 Units: Busbar configuration and interlocking modules for flexibility and safety

• ? Maintenance-Free Interrupter: Long service life with minimal maintenance

• ? Compliance: Meets IEC 62271-100 standards

• ? Application: Suitable for indoor medium-voltage switchgear panels in utilities, commercial, and industrial sectors