The ABB VMax/W 12.12.25 Vacuum Circuit Breaker (VCB) is a high-performance medium-voltage indoor breaker designed for 11kV systems, rated at 1250A with a short-circuit breaking capacity of 25kA. This model incorporates ABB's proven vacuum interrupter technology, ensuring arc-free switching, increased operational safety, and extended service life.

Equipped with a female socket (L=0.8), this breaker is designed for compact panel integration, making it ideal for modern power distribution systems. The unit comes with:

• MO1 – Spring-charged Mechanical Operating Mechanism

• MC – Mechanical Interlock

• MS – Mechanical Shutter

• BB1-2 – Busbar & Interlock Modules

• Female Socket (L=0.8) – For secure and space-efficient plug-in connections

The VMax/W 12.12.25 is particularly suited for substations, utility networks, commercial buildings, and critical industrial facilities requiring high fault-level protection with compact, modular switchgear design.

✅ KEY FEATURES

• ⚡ Rated Voltage: 11kV

• ? Rated Current: 1250A

• ? Breaking Capacity: 25kA (Short-Circuit)

• ? Vacuum Interrupter: Ensures arc-free, efficient switching and extended lifespan

• ?️ MO1 Mechanism: Spring-operated; supports both manual and motorized operations

• ? MC Interlock: Prevents unsafe breaker operation and racking

• ?️ MS Shutter: Automatically shields live parts during disconnection or servicing

• ? BB1-2 Modules: Enable safe busbar connection and panel interlocking

• ? Female Socket (L=0.8): Provides compact, plug-in connectivity for modern panel systems

• ? Low Maintenance: Minimal servicing due to enclosed vacuum interrupter design

• ? Compliance: Meets IEC 62271-100 standards

• ? Applications: Best suited for compact indoor installations in utility substations, industrial plants, and critical infrastructure demanding 25kA protection