The ABB VD4/P 12.06.25 Vacuum Circuit Breaker (VCB) is a robust medium-voltage indoor breaker designed for 11kV systems, rated at 630A with a breaking capacity of 25kA. This model is part of ABB's VD4 series featuring enhanced performance and reliability, incorporating vacuum interrupter technology for clean, safe, and arc-free interruption.
The suffix “/P” denotes a specific product variant optimized for certain panel installations or mechanical configurations, making it ideal for both new installations and retrofit projects.
Equipped with:
MO1 – Spring-operated mechanical operating mechanism
MC – Mechanical interlock ensuring operational safety
MS – Mechanical shutter for live parts protection
BB1-2 – Busbar and interlock modules for secure panel integration
This breaker suits high-demand applications in power distribution networks, utilities, and industrial sectors, offering excellent operational lifespan and minimal maintenance.
⚡ Rated Voltage: 11kV
? Rated Current: 630A
? Breaking Capacity: 25kA – high fault current interrupting capability
? Vacuum Interrupter: Long electrical life, arc-free switching
?️ MO1 Mechanism: Reliable spring-charged operation, manual or motorized
? MC Interlock: Prevents unsafe operations during racking and switching
?️ MS Shutter: Automatically covers live terminals when withdrawn
? BB1-2 Modules: Ensures safe busbar connection and panel interlocking
? Low Maintenance: Vacuum technology reduces servicing requirements
? Standards: IEC 62271-100 certified
? Applications: Indoor switchgear in substations, industrial plants, and commercial distribution with high fault level demands