The ABB VD4/P 12.06.32 Vacuum Circuit Breaker (VCB) is a medium-voltage indoor breaker designed for 11kV systems, rated at 630A with a high short-circuit breaking capacity of 31.5kA. This variant includes ABB’s advanced vacuum interrupter technology for fast, reliable, and arc-free interruption of electrical faults, ensuring long electrical and mechanical life.
The /P suffix indicates a specific product version optimized for integration in panel configurations requiring compact design and modular connectivity.
Key components include:
MO1 – Spring-operated mechanical operating mechanism
MC – Mechanical interlock for enhanced operational safety
MS – Mechanical shutter to protect live parts during maintenance
BB1-2 – Busbar and interlocking modules for secure switchgear panel installation
The VD4/P 12.06.32 model is ideal for demanding industrial, utility, and infrastructure applications where high fault level protection and long service life are crucial.
⚡ Rated Voltage: 11kV
? Rated Current: 630A
? Breaking Capacity: 31.5kA (short-circuit) – suitable for very high fault currents
? Vacuum Interrupter Technology: Provides clean, arc-free interruption with minimal maintenance
?️ MO1 Operating Mechanism: Reliable spring-charged manual or motorized operation
? MC Interlock: Prevents unsafe racking or switching under load
?️ MS Shutter: Automatically shields live terminals during breaker withdrawal or maintenance
? BB1-2 Modules: Ensures safe busbar connection and mechanical panel interlocking
? Low Maintenance Design: Vacuum technology reduces servicing needs and extends breaker lifespan
? Standards Compliance: IEC 62271-100 certified
? Applications: Indoor switchgear for substations, industrial plants, and commercial distribution networks with high fault level requirements