The ABB VMax/W 12.06.20 Vacuum Circuit Breaker (VCB) is an indoor medium-voltage breaker designed for 11kV applications, with a rated current of 630A and a short-circuit breaking capacity of 20kA. Featuring ABB’s trusted vacuum interrupter technology, this breaker ensures high reliability, arc-free switching, and reduced maintenance requirements.

It comes integrated with:

• MO1 – Mechanical Operating Mechanism

• MC – Mechanical Interlock

• MS – Mechanical Shutter

• BB1-2 – Busbar & Interlock Modules

The VMax/W model is ideal for switchgear systems in industrial plants, utilities, and commercial power distribution, ensuring operational safety and system continuity.

✅ KEY FEATURES

• ⚡ Rated Voltage: 11kV

• ? Rated Current: 630A

• ? Breaking Capacity: 20kA

• ? Vacuum Interrupter: Safe and arc-free switching with long operational life

• ?️ MO1 Mechanism: Manual or motor-operated spring-charged mechanism

• ? MC Interlock: Enhances operational safety by preventing incorrect operation sequences

• ? MS Shutter: Automatic shutter mechanism for isolating live parts during maintenance

• ? BB1-2 Modules: Integrated busbar connections and interlock compatibility for panel safety

• ? Maintenance-Free Operation: Minimal servicing needed due to vacuum technology

• ? Model: VMax/W 12.06.20

• ? Standard Compliance: Meets international standard IEC 62271-100

• ? Applications: Ideal for use in indoor power distribution systems, utility substations, and industrial facilities